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A look inside the Icon of the Seas, the world's biggest cruise ship, as it prepares for voyage

By Kris Van Cleave , Analisa Novak

January 18, 2024 / 12:14 PM EST / CBS News

Royal Caribbean is redefining the cruise industry with its latest ship, the Icon of the Seas. This $2 billion floating resort is largely booked until 2026.

Spanning nearly 1,200 feet, the cruise ship has 20 decks, which makes the Icon of the Seas the world's largest cruise ship.

It's a city at sea, accommodating up to 7,600 passengers in 2,805 staterooms and nearly 10,000 people, including the crew. The ship offers different experiences that include seven pools — one is the largest on any ship — the world's first onboard water park with six water slides, theaters, a casino and over 40 dining and drinking spots.

Jay Schneider, Royal Caribbean's Chief Product Innovation Officer, says the cruise ship is more than just its amenities.

"It's really about iconic experiences," he said.

And despite its massive size, Schneider said the ship is designed to avoid feeling overcrowded.

"We have purposely designed the ship to give more space for people," he said. "We believe, even at 7,500 guests, it won't feel to you like your entire hometown has joined the ship," said Schneider.    

Luxury comes at a price on the Icon. A weeklong Caribbean cruise costs about $3,500 for two people in an average stateroom. For those seeking more luxury, the Ultimate Family Townhouse – a three-story suite complete with touchscreen tables and a slide – can go for up to $100,000 per trip. The Royal Loft, aimed at high-rolling adults, offers two bedrooms, a private hot tub, and a spacious balcony starting at $40,000.

Colleen McDaniel, editor-in-chief at Cruise Critic, said that bigger ships benefit both passengers and cruise lines.

"It means more people can experience something. It means that there's a lot more amenities and activities onboard the cruise ship," McDaniel said. "The more people they can put on a cruise ship, of course, the better business they do, the more money they make."

Kevin Curran says the Icon took his breath away. Having followed the ship's construction for over a year, the Oregon resident said he's thrilled to be on its inaugural cruise from Miami.

"The more I watched the videos, the more I understood this was something special," he said.

Cruising is surging in popularity. Last year, passenger volume outpaced pre-pandemic numbers, and this year is expected to hit a new high of 36 million as spending on experiences has climbed 65% since 2019.

From the bridge, Captain Hendrik Loy is overseeing what amounts to a three-day test drive to the Bahamas.

"There is still fine-tuning that needs to take place," said Loy.

The Icon also champions environmental responsibility. It's powered by liquefied natural gas, treats its own waste, and produces its own water.

Emmy Award-winning journalist Kris Van Cleave is the senior transportation correspondent for CBS News based in Phoenix, Arizona, where he also serves as a national correspondent reporting for all CBS News broadcasts and platforms.

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The 21 largest cruise ships in the world.

Book your next cruise vacation on one of these floating megaresorts.

The Largest Cruise Ships in the World

Courtesy of Royal Caribbean International

With every year comes bigger and grander cruise ships.

Just when you think cruise ships can't get any larger, a major cruise line unveils yet another longer, taller and grander state-of-the-art vessel – with the capacity to carry the population of a small town. To put the size of today's megaships into perspective: They often stretch three times longer than a 120-yard football field, and some feature nearly two dozen decks or measure more than 215 feet wide.

So, if you're looking for a vacation aboard a large-scale vessel, consider booking a voyage on one of the biggest cruise ships in the world. With cutting-edge technology and entertainment, world-class dining, and endless attractions and activities for cruisers of all ages, you may not even want to leave the ship. Here are the biggest cruise ships, arranged by gross tonnage.

• 1. Royal Caribbean Icon of the Seas
• 2. Royal Caribbean Utopia of the Seas
• 3. Royal Caribbean Wonder of the Seas
• 4. Royal Caribbean Symphony of the Seas
• 5. Royal Caribbean Harmony of the Seas
• 6. Royal Caribbean Oasis of the Seas
• 7. Royal Caribbean Allure of the Seas
• 8. MSC World Europa
• 9. Costa Smeralda
• 10. Costa Toscana
• 11. P&O Cruises Arvia
• 12. AIDAcosma
• 13. P&O Cruises Iona
• 14. AIDAnova
• 15. Carnival Jubilee
• 16. Carnival Celebration
• 17. MSC Euribia
• 18. MSC Virtuosa
• 19. Carnival Mardi Gras
• 20. MSC Meraviglia
• 21. Norwegian Encore

Find your perfect cruise

Royal Caribbean Icon of the Seas

Length: 1,198 feet

Width: 213 feet

Gross tons: 250,800

Maximum number of passengers: 7,600

Icon of the Seas will be the largest cruise ship afloat when it debuts in January 2024. The next-level megaship is Royal Caribbean 's first Icon-class vessel and the first of three ships powered by liquefied natural gas, or LNG, which is considered a more sustainable alternative to other fuel options. The ship will have 2,805 staterooms and carry up to 2,350 crew. There's no end to the fun with eight unique neighborhoods, including the new Surfside: a stay-all-day space designed specifically for families.

Other features on the ship include seven pools, nine whirlpools and six record-breaking waterslides. There are also more than 20 new dining venues, such as the swanky Empire Supper Club, which features an eight-course tasting menu; the AquaDome Market, the line's first food hall; and sushi restaurant Izumi in the Park. Cruisers will also find other international cuisine, including Japanese, Mexican and Italian fare, as well as The Lemon Post, the Surfside Eatery and Pier 7 in the Surfside neighborhood.

Read: The Newest Royal Caribbean Ships

Royal Caribbean Utopia of the Seas

Length: 1,188 feet

Width: 211 feet

Gross tons: 236,860

Maximum passengers: 6,788

Royal Caribbean's first LNG-powered Oasis-class ship will sail its debut voyage in July 2024. The new ship will have 2,834 staterooms and up to 2,290 crew members, as well as eight neighborhoods to keep passengers entertained. Ten complimentary dining venues include the line's new food truck concept, The Spare Tire, which serves up handheld eats on the pool deck. The ship will also feature sloping beach-entry and resort-style pools, plus three Lime & Coconut bars on the outdoor deck.

In total, there are more than 40 dining options, bars and lounges on Utopia of the Seas. Many of Royal Caribbean's specialty dining and bar favorites are returning, such as Chops Grille, Giovanni's Italian Kitchen & Wine Bar, Rising Tide Bar and Vue Bar. Guests will also find familiar entertainment offerings with rock climbing walls, the AquaTheater, Splashaway Bay, laser tag, mini-golf, the Sports Court, Studio B and much more. With two casinos, five pools and a visit to private island Perfect Day at CocoCay, you'll never run out of things to do.

Read: The Top New Cruise Ships

Royal Caribbean Wonder of the Seas

Michel Verdure | Courtesy of Royal Caribbean International

Gross tons: 235,600

Maximum passengers: 7,084

Royal Caribbean's current largest ship at sea, Wonder of the Seas , first set sail in March 2022. The Oasis-class vessel has 2,867 staterooms and carries as many as 2,204 crew members. While you may get lost on this ship, you'll never be bored. Features include eight unique neighborhoods – such as Central Park, the Boardwalk, and the new Suite Class neighborhood, an exclusive space for suite guests.

Take advantage of the AquaTheater, an outdoor live entertainment venue with a 30-foot diving platform and incredible ocean views. Wonder Playscape is an underwater-themed outdoor space for kids filled with slides, climbing walls, games and more. You can also enjoy a few of Royal Caribbean's Oasis-class favorites, such as the FlowRider surf simulator, the rock climbing wall or laser tag at the Battle for Planet Z. If you dare, head into the Ultimate Abyss: Billed as the tallest waterslide at sea, it towers 150 feet above sea level and features an exhilarating 13-second ride through 10 stories of dark, winding tunnels.

When hunger strikes, dine at your pick of more than 20 complimentary and specialty restaurants, including the new Mason Jar Southern Restaurant & Bar. If you're craving a cold beer, a cocktail or a cup of Starbucks coffee, you'll have roughly a dozen bars and lounges at your disposal.

Read:  The Top Party Cruises

Royal Caribbean Symphony of the Seas

Width: 215.5 feet

Gross tons: 228,081

Maximum passengers: 6,680

Royal Caribbean's Symphony of the Seas , another Oasis-class ship, debuted in April 2018. This ship features 2,759 passenger staterooms and accommodates 2,200 crew members. There are seven distinct neighborhoods, four pools, roughly 20 restaurants (about half of which are specialty venues), and about a dozen bars and lounges. The ship even boasts two robotic bartenders that whip up drinks at the Bionic Bar.

Adults can enjoy Broadway-style shows in the onboard theaters and major international sports games at Playmakers Sports Bar & Arcade. Meanwhile, kids can cool down at the Splashaway Bay water park, soar on a zip line nine decks high through the Boardwalk neighborhood, try out rock climbing or attend a show at the AquaTheater.

Read:  Royal Caribbean vs. Carnival

Royal Caribbean Harmony of the Seas

Gross tons: 226,963

Maximum passengers: 6,687

Another Oasis-class ship, Royal Caribbean's Harmony of the Seas has been sailing since May 2016. The vessel features 2,747 staterooms and up to 2,200 crew members. Cruisers have plenty of places to dine thanks to eight complimentary venues – including the main dining room and Windjammer Marketplace, a globally inspired buffet – as well as nine specialty restaurants serving everything from burgers and shakes to Italian fare. The Boardwalk, one of the ship's seven neighborhoods, is a favorite spot for cruisers; it contains casual eateries, retail shops and carnival games.

Harmony of the Seas also has Splashaway Bay, the Ultimate Abyss waterslide and a trio of slides called The Perfect Storm. In the evening, don't miss a pre-dinner cocktail at the Rising Tide Bar, which offers a ride between the Central Park neighborhood and the Royal Promenade with dazzling skylight views. Sit back and sip your drink while the entire bar slowly floats between the decks.

Royal Caribbean Oasis of the Seas

Simon Brooke | Courtesy of Royal Caribbean International

Length: 1,187 feet

Width: 215 feet

Gross tons: 226,838

Maximum passengers: 6,771

Royal Caribbean's Oasis of the Seas was the largest cruise ship in the world when it was launched in 2009. The line's debut Oasis-class ship is nearly five times bigger than the Titanic by gross tonnage; it has 2,801 staterooms and carries 2,109 crew members.

Oasis of the Seas was reimagined in 2019, with many added amenities that are on newer Oasis-class ships, such as FlowRider simulators, the Perfect Storm waterslides, the Ultimate Abyss and Playmakers Sports Bar & Arcade. Across the ship's seven distinct neighborhoods, you'll also find state-of-the-art technology such as VOOM, billed as the fastest internet connection on the high seas – plus exciting live performances and theater productions, laser tag, escape rooms and more.

Royal Caribbean Allure of the Seas

Gross tons: 225,282

Maximum passengers: 6,826

Embarking for the first time in 2010, Allure of the Seas was Royal Caribbean's second Oasis-class vessel. The ship underwent a refurbishment in 2015. Allure of the Seas has 2,748 staterooms and 2,054 crew. Onboard highlights include seven neighborhoods, four pools, and several whirlpools and hot tubs, plus more than 20 dining venues and too many bars and lounges to count.

There are also plenty of entertainment options for guests of all ages, including an ice skating rink, the Sports Court, a nine-deck-high zip line, two rock climbing walls and two FlowRider simulators (a Royal Caribbean favorite). Kids will especially enjoy the interactive H2O Zone Water Park. Adults on this ship will appreciate Broadway productions like "Mamma Mia!," aerial acrobatic performances in Oceanaria (an original AquaTheater production) and '70s disco dance parties. If you find yourself on board for business reasons, rest assured that the ship's conference facilities can host as many as 1,394 guests.

Find a Royal Caribbean cruise on GoToSea.

MSC World Europa

Courtesy of MSC Cruises

Length: 1,093 feet

Width: 154 feet

Gross tons: 215,863

Maximum passengers: 6,762

MSC World Europa was one of the most anticipated new cruise ships when it launched in December 2022 as the first vessel in the line's MSC World-class fleet. It's also the first LNG-propelled ship by MSC Cruises , reaching a maximum cruising speed of 22.7 knots.

The ship's futuristic interior and exterior design features a 341-foot-long promenade. Half the promenade is covered with the Meraviglia-class LED sky screens, while the other half is open-air and offers ocean views. MSC World Europa features 2,626 staterooms and can house 2,138 crew members. As a special touch, each passenger deck is named after an international city, including London, Paris, Lisbon and Rome.

The ship is divided into distinct areas, with a quiet zen district for adults and a family zone that has bumper cars and roller skating. At the fleet's largest onboard water park, younger cruisers will find a twisty, stainless steel tunnel slide towering 11 decks high at the center of the ship. Luna Park Arena, the ship's 300-seat multifunction entertainment venue, can accommodate almost any performance or event.

When you're exhausted from all of the action, grab a bite to eat at one of 13 restaurants or a drink at a selection of bars and cafes. Then, take time to relax and unwind with a signature treatment at the Balinese-inspired MSC Aurea Spa. For an all-inclusive VIP experience during your voyage, book stateroom accommodations in the MSC Yacht Club. This exclusive part of the ship boasts premium suites, a separate pool, a private restaurant and lounge, butler service, and other amenities.

Costa Smeralda

Courtesy of Costa Cruises

Length: 1,106 feet

Width: 138 feet

Gross tons: 185,000

Maximum passengers: 6,554

Costa Smeralda was the first of the two Excellence-class vessels in the Costa Cruises fleet. The vessel debuted in 2019 as the Italian cruise line's largest ship to date. It was also the line's first vessel to use LNG power at sea and in port. The ship has 2,612 staterooms and can carry as many as 1,678 crew members.

Cruisers will never go hungry or thirsty, thanks to the 11 restaurants and snack bars plus 19 bars and lounges on Smeralda . One of the most notable dining venues on board is Archipelago, which serves innovative cuisine created by three world-renowned chefs. If you're interested in culinary pursuits, join other passengers for a cooking class at sea in the Food LAB. When it comes to entertainment, centrally located Colosseo – modeled after the piazzas across Italy – is the place to go for socializing and live performances. What's more, the ship also has 13 pools and hot tubs, an aqua park, the Beauty Spa Solemio, and the Squok Club for kids ages 3 to 11.

Costa Toscana

Costa Toscana, Costa Cruises' newest flagship and the second Excellence-class vessel in the fleet, set sail on its debut voyage in March 2022. Similar in size and passenger capacity to Costa Smeralda, Toscana is also LNG-powered. This vessel has 2,663 staterooms, and there can be up to 1,678 crew members on board.

Similar to Smeralda, Colosseo is the centerpiece of Toscana; you'll find live entertainment and themed bars in this area. There are 11 restaurants and snack bars plus 19 bars and lounges on the ship. For a refreshing aperitif with a view, head to the Aperol Spritz Bar, which features special beach cocktails. Another dining highlight is Sushino at Costa, the line's new sushi bistro. After dinner, take in unparalleled views of the sea along the Volare Skywalk, the highest point of the ship, which towers more than 200 feet above sea level.

Explore Costa Cruises deals on GoToSea.

P&O Cruises Arvia

Courtesy of P&O Cruises

Length: 1,130 feet

Maximum passengers: 5,200

Arvia joined the P&O fleet as sister ship to Iona in December 2022. It is also LNG-powered, has 2,614 cabins and carries up to 1,800 crew. The family-friendly ship offers guests many firsts, including Altitude, a new activity area with an escape room, a high-ropes experience, the Splash Valley aqua zone, the Sports Arena and much more.

Arvia has 30 bars and restaurants. New dining venues include the American-inspired 6th Street Diner and Green & Co. feat. Mizuhana, which focuses on sushi and plant-based dishes. For entertainment, plan to see the line's production of "The Official Take That Musical," an adaptation of London West End musical "The Band." Guests can also head to the dome beneath the SkyDome retractable roof for live performances, aerial displays, movies on the giant SeaScreen and DJ parties under the starry skies.

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Courtesy of AIDA Cruises

Gross tons: 184,600

Maximum passengers: 6,654

The sister ship to AIDAnova, AIDAcosma set sail in early 2022. The partly LNG-powered AIDA Cruises vessel has 2,732 staterooms and the capacity for up to around 1,500 crew members. With 17 restaurants and 23 bars and cafes, AIDAcosma offers passengers a seemingly endless number of venues to dine and imbibe. Other onboard attractions include a four-deck outdoor area, complete with an infinity pool and an expansive area for sunbathing; an indoor playground with a bouldering wall and ropes course; the Body & Soul Spa; and a 360-degree stage at the Theatrium.

P&O Cruises Iona

Length: 1,129 feet

Gross tons: 184,000

P&O Cruises' Iona, which launched in spring 2021, has the distinction of being the first LNG-powered British cruise ship. The family-friendly vessel has 2,614 cabins and carries 1,800 crew members. Iona's top features include the two-story SkyDome, a gin distillery, four pools, 10 entertainment venues, and 30 restaurants and bars offering a wide variety of food and beverage options.

With selections ranging from casual eateries to gelaterias to Indian- and British-inspired cuisine at Sindhu, you won't get bored with the restaurant choices. For an especially unique meal, dine and sip wine while watching aerial performances in the Grand Atrium at The Glass House. Or, enjoy dinner at The Limelight Club, an adults-only supper club venue featuring vocal performances and other live music. After dinner, check out the entertainment around the ship, including aerial productions in the Grand Atrium, guest and crew shows in Headliners, late night dancing in The Club House, and performances in partnership with the entertainment company Creativiva in the SkyDome.

Gross tons: 183,900

When German line AIDA Cruises' first Helios-class ship, AIDAnova, debuted in December 2018, it was the first LNG-powered cruise ship in the world. The ship is equipped with 2,626 staterooms, including the two-deck Penthouse Suite, and carries around 1,500 crew members. You won't miss this ship when it's docked in port: It features the line's signature exterior design, with bold red lips at the ship's bow and blue-and-yellow eyes on the port and starboard sides.

While on board, passengers can check out 17 restaurants, along with 23 bars and lounges; party the night away at the Beach Club; and take in live performances on the 360-degree stage in the Theatrium. When it's time to relax, head to the Body & Soul Spa, where you can book a massage, spend time in one of the hot tubs or saunas, take a dip in the private pool, and chill out on the private spa sun deck.

Carnival Jubilee

Width: 137 feet

Gross tons: 183,521

Maximum passengers: 6,631

Carnival Jubilee, as sister ship to Carnival Celebration and Carnival Mardi Gras, will offer many of the same features and amenities as its two predecessors when it launches in December 2023. The new vessel will have 2,687 staterooms, 1,735 crew and six zones of fun. Currents and The Shores are new to Jubilee . Currents is inspired by the underworld of the ocean with mermaids and sea monsters; it's designed with new bars, restaurants, music venues and high-tech spaces, including a wave-shaped LED ceiling and six LED windows that virtually take guests under the sea. The Shores is all about the outdoors, inspired by beaches and boardwalks. Cruisers can grab a slice of pizza at Coastal Slice, a hot dog at Beach Buns and a cocktail at Marina Bar.

On Jubilee, you'll also find Carnival Cruise Line favorites such as BOLT, the first and fastest roller coaster at sea, as well as Waterworks, the onboard water park with twin racing slides, three spiraling slides and more. The line's "next-level fun" ship will also include familiar eateries and lounges like Shaquille O'Neal's Big Chicken, Guy's Pig & Anchor Bar-B-Que Smokehouse, Cucina del Capitano, Fahrenheit 555 Steakhouse and more.

Carnival Celebration

Courtesy of Carnival Cruise Line

Carnival Celebration sailed its inaugural cruise in November 2022. Carnival's second-newest ship at sea is LNG-powered and the second in the line's Excel class, with 2,687 staterooms and as many as 1,735 crew. Guests will find new attractions to enjoy on the ship, such as the partnership with the Kennedy Space Center at Space Cruisers: This program is designed for children ages 2 to 11 at Camp Ocean.

Adults can check out the new bar at Latitudes, which features specialty cocktails and outdoor scenery through the virtual windows. Celebration has a variety of complimentary dining venues, including Shaq's Big Chicken, Guy's Burger Joint and Mexican favorites at BlueIguana Cantina. There is also a selection of specialty restaurants like Emeril's Bistro 1397, Rudi's Seagrill, the Steakhouse and Bonsai Teppanyaki. For action and 360-degree views of the ocean from the top of the ship, take a spin around the track on the BOLT roller coaster.

Compare Carnival Cruises on GoToSea.

MSC Euribia

Length: 1,087 feet

Width: 141 feet

Gross tons: 181,541

Maximum passengers: 6,327

MSC Euribia, the newest MSC Cruises ship, debuted in June 2023. The line's second LNG-powered vessel – and the fifth Meraviglia-class ship – has 2,419 cabins and can carry as many as 1,711 crew members. The ship's hull features Alex Flämig's artwork "#SaveTheSea" to highlight the company's dedication to preserving the marine ecosystem.

On board Euribia , guests will find five pools and 11 dining venues, offering everything from sushi and teppanyaki to Latin American street food. There are also 21 bars and lounges, the MSC Aurea Spa, the Ocean Cay Aquapark, luxury retail shopping and more. Two additional highlights are the longest – and most impressive – LED Dome at Sea, which covers the ceiling of Galleria Euribia, and the reimagined Carousel Lounge. The beautiful, updated space features floor-to-ceiling windows, outdoor terraces and cozy seating to enjoy live entertainment, including performances by one of the largest big bands at sea.

MSC Virtuosa

Maximum passengers: 6,334

This vessel launched in 2021 as a sister ship to MSC Grandiosa , the line's other Meraviglia Plus-class ship. MSC Virtuosa has 2,421 staterooms and carries around 1,704 crew members. It offers cruisers 11 dining venues plus 21 bars and lounges. At the heart of the ship, Galleria Virtuosa houses the largest shopping area on a cruise ship, with more than 12,500 square feet of retail space. In this area, you'll also find entertainment venues, restaurants and cocktail bars. And don't forget to look up: An impressive LED dome, one of the longest at sea, spans the ceiling of the promenade.

Another highlight to check out during your voyage is the MSC Starship Club, which features Rob, the first humanoid robotic bartender on a cruise ship. The multilingual expert mixologist even tells jokes and will show you a dance move or two. After all the indoor fun, head outside for a cool dip in one of MSC Virtuosa's five pools or take a ride on the slide at the Savannah Aquapark.

Book an MSC Cruise on GoToSea.

Carnival Mardi Gras

Gross tons: 180,000

Maximum passengers: 6,465

One of Carnival Cruise Line's newest ships, Mardi Gras , debuted in July 2021. Its name honors the line's first ship, the TSS Mardi Gras, which launched in 1972. The original Mardi Gras was around 27,000 gross tons and 650 feet long – in contrast, the new Carnival Mardi Gras weighs more than six times as much and is nearly twice as long. This ship also holds the title as North America's first LNG-powered ship. It has 2,641 staterooms and holds up to 1,745 crew members.

Six themed areas each offer unique dining and entertainment experiences. For New Orleans -inspired cuisine, head to the French Quarter; there, you'll find Emeril's Bistro 1396 and The Brass Magnolia, a bar reminiscent of The Big Easy's jazz culture and Garden District. Don't miss one of the ship's top onboard attractions: the BOLT roller coaster, where riders can hit speeds of nearly 40 mph at 187 feet above sea level.

Read: The Top Themed Cruises

MSC Meraviglia

Courtesy of Port Miami for MSC Cruises

Length: 1,036 feet

Gross tons: 171,598

Maximum passengers: 5,655

MSC Cruises' Meraviglia first set sail in 2017 with an impressive 2,244 staterooms and the capacity to carry 1,536 crew members. A dozen restaurants offer a wide variety of cuisines, including a Spanish tapas bar with dishes created by a Michelin-starred chef, Japanese teppanyaki, Italian fare, fresh seafood, steaks and more. There are also 20 bars, lounges and cafes serving everything from Champagne and cocktails to ice cream and crepes.

The central highlight of the ship is Galleria Meraviglia, a 315-foot promenade with eateries, boutiques and evening parties. Nightly entertainment includes live performances and shows in the Broadway Theatre and the Carousel Lounge. Kids will find plenty to do, as well: There's an Aquapark, an F1 simulator, a flight simulator, LEGO play areas, bowling and more. When it's time to wind down, book a signature treatment at the MSC Aurea Spa.

Norwegian Encore

Length: 1,094 feet

Width: 136 feet

Gross tons: 169,116

Maximum passengers: 3,998 (double occupancy)

Norwegian Encore was built in 2019 as one of Norwegian Cruise Line 's Breakaway Plus-class ships. The vessel has 2,040 staterooms and carries 1,735 crew members. There are several complimentary culinary venues on board, including three main dining rooms, The Local Bar & Grill, the Garden Café buffet, and grab-and-go options. Specialty dining restaurants offer a variety of cuisines, from seafood to steak to Japanese teppanyaki.

When it's time for cocktail hour, 14 bars and lounges serve up everything from cold brews to fine wine and whiskey. For a pre-dinner option, head up to the Observation Lounge for panoramic ocean views. Norwegian Encore is also home to several entertainment venues featuring award-winning live shows and performances.

You'll find the most fun on the ship's top decks. First, head to the Encore Speedway race track, which takes thrill-seekers on a heart-pumping ride through high-speed curves extending 13 feet off the side of the ship. Also at the top of the vessel you'll find The Haven: Norwegian's exclusive "ship within a ship" concept boasts luxurious suites, villas and penthouses with balconies. These luxe accommodations include perks like 24-hour butler service, a concierge and a private sun deck.

Find a Norwegian Cruise Line cruise on GoToSea.

Frequently Asked Questions

The largest cruise ship currently in service is Royal Caribbean's Wonder of the Seas, at more than 235,000 gross tons. Icon of the Seas will become the largest cruise ship in the world at 250,000-plus gross tons after its launch, set for January 2024.

Carnival Jubilee, scheduled to debut in December 2023, and Carnival Celebration are the line's largest ships at 183,521 gross tons.

The line's largest ship is Disney Wish at about 144,000 gross tons. The vessel is 1,119 feet in length and 128 feet wide; it has 1,254 staterooms and carries up to 4,000 passengers and 1,555 crew.

Why Trust U.S. News Travel

Gwen Pratesi has been an avid cruiser since her early 20s. She has sailed on nearly every type of cruise ship built, including the newest megaships, paddle-wheelers on the Mississippi River, and an 18-stateroom river ship on the Mekong River in Vietnam and Cambodia. She has also cruised on a traditional masted sailing ship and on a small luxury expedition vessel in Antarctica crossing the notorious Drake Passage twice. She covers the travel and culinary industries for major publications including U.S. News & World Report.

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Cruise Ship Passenger Capacity

View cruise ship ratings and learn what is average/normal and max cruise ship passenger capacity. Cruise ships capacity (passengers and crew/hotel staff) and space ratios of the world's most famous ships are sorted alphabetically by the names of their owners (companies, lines, and operators) according to the official cruise ship data.

Most online travel media publish ship ratings based on onboard amenities (dining/entertainment), itineraries/destinations, special/unique facilities, and experiences. Some ratings are based on website visitors' feedbacks and conducted polls. However, while the latter ratings could by easily manipulated, "expert review" based ratings could be only suggestive as top-rated will be always the largest liners and the  newest vessels .

Cruise Ship Capacity

The "full" cruise ship passenger capacity is based on double occupancy (2 guests per cabin). The cabin's capacity varies according to stateroom's type, category, and also by line and ship. A standard passenger ship cabin usually accommodates 2 or 3 guests, but there are some "smaller" and "bigger" exceptions.

Our survey also includes smaller ships (under 500 passengers), and some ships are intentionally omitted from the big table to be included in the small one (about passenger capacity of top luxury cruise ships, with emphasis made on their highest guests-to-crew ratio. If searching for a particular vessel, use the Ctrl+F key combination and type the name in the search box. Good to know things:

• Ships will sail at varying capacities depending on itinerary and season.
• The average cruise ship passenger capacity is around 3,000 guests for ocean liners and around 150 guests for bigger river cruise ships.
• The largest cruise ship passenger capacity is 5,412 (at double occupancy) and 6,318 max capacity if all berths are occupied. And, of course, these big numbers are part of the specifications of the first in the  list of the biggest cruise ships in the world  - the Oasis ship of Royal Caribbean International.
• Single cruise cabins (called also "studios", or "solo cabins"), though rarely available, offer some of the cheapest rates for solo travelers by avoiding the double occupancy policy of all the major cruise ship companies, with the range of single supplement rates being between 50 and 100% (depending on line and ship).
• Family suite cruise accommodations generally have the biggest passenger capacity (up to 6 guests) and are some of the most expensive cabin categories (again, not available on all ships). Cheap suites are available on most Carnival, Royal Caribbean, MSC, and Costa ships.

Max (largest) passenger capacity of a cruise ship would signify this ideal financial situation, when all the berths, plus all upper and lower bunks, "Pullman" beds and single and double sofa beds (available in types and numbers according to the ship's cabin grades) are all occupied by the most numerous crowd the ship can ever gather on board. However, on most of the sailings, even the full-ship capacity (at double occupancy level) is not reached. This automatically opens the "big ships doors" for great deals, like kids sail for free, buy one get one free, free cabin upgrades, bonus amenities, and also huge price discounts on luxury cruise deals. For more info, you can read our survey on unsold cruise cabins/cheap cruise upgrades .

Cruise passengers-to-space ratio

The ship's "space ratio" (by definition) is the enclosed space (measured in ft3/cubic feet) per passenger. A ship of 45,000 GT (gross tonnage) with capacity 1,000 passengers will have a space ratio 45 (or 45ft3=45000/1000). So if your ship has generally smaller cabins but very large public spaces, she will have a higher space ratio, and the higher the space ratio number, the more guests will enjoy a sense of spaciousness on board.

Average/max cruise passenger capacity

Aida ships capacity, azamara ships capacity, ccl-carnival ships capacity, cssc carnival china / adora cruises ships capacity, celebrity ships capacity, celestyal ships capacity, ponant ships capacity, costa ships capacity, crystal ships capacity, cunard ships capacity, dcl-disney ships capacity, fred olsen ships capacity, hapag-lloyd ships capacity, hal-holland america line ships capacity, hurtigruten ships capacity, national geographic - lindblad ships capacity, marella uk ships capacity, msc ships capacity, ncl-norwegian ships capacity, oceania ships capacity, p&o cruises (uk and australia) ships capacity, phoenix reisen ships capacity, princess cruises ships capacity, quark expeditions ships capacity, rssc-regent seven seas ships capacity, rci-royal caribbean international ships capacity, saga uk ships capacity, seabourn ships capacity, seadream yachts capacity, emerald cruises-scenic cruises yachts capacity, silversea ships capacity, small cruise lines ships capacity, (genting) star cruises ships capacity, tui cruises ships capacity, (ocean and expedition) viking cruises ships capacity / identical, virgin voyages ships, windstar ships capacity, 1-ship cruise lines, luxury yacht cruise lines.

For boats that are dead and forgotten see at CruiseMapper's Scrapped Cruise Ships hub.

Cruise Ship Ratings

0 (or no Stars) doesn't mean the ship is the worst ever, but not yet rated.

"Specialty" means usually a smaller ship offering deals on adventure or expedition cruises. Emphasis on itinerary/destination and unique experiences rather than onboard services/amenities/activities. Cabins are modest (as size and amenities), but also comfortable.

3 Stars mean "Contemporary" and big resort-like experiences on bigger ships with a multi-generational clientele, a huge variety of family and kids programs, at least 2 swimming pools, huge fitness/spa centers, distinct nightlife (clubs, a casino, deck parties), several dining options. Cabins range from cozy Inside to large family suites and many connecting/adjoining rooms. Itineraries from 3 to 7-night in length (repeating, round-trip) leaving from big and popular ports.

4 Stars mean a "Premium" product, medium-sized ships with higher guest-to-crew ratios compared to similar-sized mainstream ships. The onboard experience - fewer kids, larger than average cabins with upgraded (luxurious) amenities, high-level of service, dining, and entertainment, extensive enrichment programs, a luxury spa, longer itineraries (from 7 to 14 and even 21-night in length).

5 Stars mean a "Deluxe" product, from medium-size to small cruise ships with deluxe staterooms, bedding and cabin amenities, impeccable service, multiple specialties (gourmet) dining options, also less entertainment and onboard activities. The itinerary is mostly port-intensive, and longer than 10 nights, with deals on back-to-back cruises .

6 Stars mean "Best Luxury" on small ships, intimate cruising experiences, highest guest-to-crew ratios (fewer guests). These are mostly ships with all-inclusive cruise deals - gratuities and beverages (often alcohol) and gourmet (specialty restaurant) dining are all included in the fares (often with shore excursions and tours), spacious staterooms and public spaces, the highest level of service. Many of these are all-suite ships (with different category suites). Port-intensive itineraries and exotic destinations, often offering deals on Around the World Cruises .

All cruise ship ratings are based on CLIA (Cruise Lines International Association) categorizations, and reviews from "WMPH Vacations" (iCruise, AlaskaCruises, EuropeCruises, HawaiiCruiseOutlet, RegentCruises, and CruiseCheap) specialists and advisors. Cruise ratings also may vary on the ship's age, size, cabins/venues/amenities, passenger feedback, etc. Besides CLIA and WMPH, other cruise vessel rating sources are Berlitz Guide, Fieldings Guide, Sterns Guide, CruiseCritic, CruiseReviews, and CruiseMates.

Cruise ship star ratings meaning

5,5 stars rating - a top luxury cruising, impeccable and highly personalized service, finest quality food & amenities; attention to detail, perfect maintenance, spacious accommodations, gourmet cuisine, the highest level of service, authentic furnishings, top of the line fitness & spa facilities.

5 stars rating - the highest level of food/service in a premium cruising market, high-quality meals, attentive service, well-equipped staterooms (not necessarily large), list of cabin amenities include bathrobes; butler service, public spaces are with beautiful decors.

4,5 stars rating - friendly decor, good maintenance, full range of onboard activities.

4 stars rating - best overall experience, above-average food & service, satisfactory entertainment.

3,5 stars rating - an average overall experience, very small to large accommodations, good service, delicious food, kids facilities without dedicated areas, mediocre entertainment.

3 stars rating - modest experience on an older cruise ship, may not have balcony cabins, mediocre food & lack of proper service, expect interesting destinations/itineraries.

2 stars rating - the ship is comparable to a low-budget hotel, a major refurbishment needed for refit and renovation of public areas and staterooms, lousy service (the staff will only supply the most basic service), itineraries with little or no popular (cheap charging) ports of call.

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17 biggest cruise ships in the world

From ships with rollercoasters to eighteen-deckers with eight ‘neighbourhoods’, here are the biggest cruise ships on the planet.

T he past decade has seen a massive growth in cruise ships. Vessels are getting bigger and bigger, with mega-ships now able to accommodate more than 7,000 passengers and 2,300 crew members. And, as well as carrying more guests, cruise lines are now adding amazing attractions such as theme parks, race tracks, waterslides and even a rollercoaster, which take up a lot more space than the deck quoits of old. We’ve taken a look at some of the biggest cruise ships in the world — including a couple of unusual ones — and their maximum passenger capacity.

Main photo: MSC Virtuosa

1. Icon of the Seas, Royal Caribbean

Capacity 7,600 Royal Caribbean’s largest ship to date, Icon of the Seas will have capacity for up to 7,600 passengers — plus 2,350 staff — when it officially sets sail in January 2024. The 20-deck vessel will be a great one for families — in addition to the seven pools and nine whirlpools on board, there’s a waterpark with six waterslides.

2. Wonder of the Seas, Royal Caribbean

Capacity 6,988 Royal Caribbean’s whopping Wonder of the Seas made waves when it set sail in March 2022 to take over the title of the “biggest cruise ship in the world” with a gross tonnage of 236,857. Eighteen decks are divided into eight distinct “neighbourhoods” with the all-new underwater-themed Playscape for youngsters. Entertainment includes the AquaTheatre, where performers take the plunge from 30ft diving platforms.

3. Harmony of the Seas, Royal Caribbean

Capacity 6,780 Harmony of the Seas, one of Royal Caribbean’s Oasis-class ships, is a floating resort. Oasis features include the Royal Promenade packed with shops and restaurants; the Boardwalk, with a fairground carousel; and the ten-deck Ultimate Abyss slide for thrill-seekers. Outside there are waterslides, surf simulators, rock-climbing walls and Splashaway Bay for children.

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4. Symphony of the Seas, Royal Caribbean

Capacity 6,680 Another that was the world’s largest passenger ship when it was launched in 2018, Royal Caribbean’s all-singing, all-dancing Symphony of the Seas has 22 restaurants, 42 bars and lounges, a zip line and ice rink. A stateroom highlight is the incredible private playground that is the two-storey, 1,346 sq ft family suite where there’s a slide from the children’s bedroom to the living room, a climbing wall and 3D cinema.

5. Iona, P&O Cruises

Capacity 5,200 The largest cruise ship built for the UK market when it launched in 2021, P&O Cruises’ Iona is also one of the first ships in the world to be powered by liquefied natural gas (LNG), a greener alternative to diesel. Iona also has the first gin distillery at sea, plus the huge glass SkyDome — a pool, lounge and dining area by day and a spectacular entertainment venue under the stars at night.

6. Mardi Gras, Carnival Cruise Line

Capacity 6,500 Named after the first Carnival ship launched in 1972, which carried just over 1,000 passengers, the Mardi Gras is the biggest in the Carnival fleet. The headline feature is Bolt, the first rollercoaster at sea. Mardi Gras is also the first Carnival ship to be divided into themed zones, such as the New Orleans French Quarter and Italian-inspired La Piazza.

7. MSC Virtuosa, MSC Cruises

Capacity 6,334 Billed as MSC Cruises’ most environmentally advanced ship to date, MSC Virtuosa is, with sister ship MSC Grandiosa, one of the two biggest cruise ships in the MSC fleet. The central promenade running through the heart of the vessel has the longest LED ceiling at sea, which is used for spectacular music and light shows. A newly recruited crew member is Rob, a humanoid robotic bartender to shake and stir drinks on the waves.

8. Panorama, Carnival Cruise Line

Capacity 5,146 When Carnival Panorama launched it made history as the first new Carnival Cruise Lines’ ship in 20 years to sail from Long Beach, California. Highlights are SkyZone, an indoor trampoline park, and SkyRide, where passengers pedal around a two-lane bike course suspended high above deck. Guests can also brush up their culinary skills at the Carnival Kitchen cookery school.

9. Norwegian Bliss, Norwegian Cruise Line

Capacity 4,903 Norwegian Bliss incorporates the thrills and entertainment that are synonymous with Norwegian Cruise Lines and an Observation Lounge that comes into its own during Alaska sailings. Then there’s the exhilarating Aqua Racer: a two-level electric car racing track located at the top of the ship on deck 19. Always a hit after dark is the Cavern Club that pays homage to the Fab Four with Beatles tribute bands.

10. Discovery Princess, Princess Cruises

Capacity 3,660 Sky Discovery has many of the features that were debuted on its predecessor Sky Princess, including the art deco-style live jazz lounge Take Five and WakeView bar, and pool overlooking the back of the ship for drinks and dips with sweeping views. Staterooms include the pair of swish Sky Suites that sleep up to five and have 1,000 sq ft wraparound balconies, which are the largest in the fleet.

11. MSC Meraviglia, MSC Cruises

Capacity 4,500 MSC Meraviglia is one of the four MSC ships that sail to Ocean Cay MSC Marine Reserve. The line’s private Bahamian island has two miles of white sandy beaches where passengers can take part in a variety of activities and watersports, chill out in a cabana or enjoy spa treatments. Back on board, standout features include the exclusive Yacht Club, a ship-within-a-ship concept with its own suites, restaurant, lounge and sun deck.

12. Queen Mary 2, Cunard

Capacity 2,695 The QM2 might have been launched back in 2004 but Cunard’s flagship, which is the only true transatlantic liner currently in service, remains one of the world’s record-breaking passenger ships. It is one of the biggest, fastest and most expensive ocean liners ever built and at 1,132ft is one of the world’s longest cruise ships. Upholding Cunard traditions, the ship encapsulates old-style cruising glamour with afternoon tea served by white-gloved waiters and cocktail parties.

13. Arvia, P&O Cruises

Capacity 5,200 Identical in structure to sister ship Iona, P&O Cruises’ second Excel-class ship showcased a raft of new features when it launched at the end of 2022. Thrill-seeking passengers can step out on the line’s first-ever Altitude Skywalk high ropes course while those in search of gentler pursuits can test out their skills on the nine-hole mini golf course or relax with a drink at the swim-up bar.

14. MSC Seashore, MSC Cruises

Passengers 5,632 Measuring 1,112ft from bow to stern, MSC Cruises’ flagship MSC Seashore has plenty of bragging rights. It’s the longest ship in the fleet and the largest cruise ship built in Italy. It’s got the biggest children’s club and MSC Yacht Club, the line’s exclusive ship-within-a-ship enclave. Topping the interior decor is a Statue of Liberty and four-deck high LED wall with images of the New York skyline.

15. Celebrity Beyond, Celebrity Cruises

Capacity 3,260 Celebrity Beyond is the newest and biggest ship in Celebrity Cruises’ innovative Edge class, notable for the Magic Carpet bar and restaurant platform that moves up and down the outside of the ship. Larger than its two sibling vessels, Celebrity Beyond has 179 extra cabins, including two-storey villas that are the biggest in the fleet, and 40 per cent more outside deck space.

16. Costa Smeralda, Costa Cruises

Capacity 6,554 Another LNG-powered ship, Costa Smeralda is the flagship of Italian cruise line Costa Cruises. With decor influenced by the Italian region of Tuscany, the heart of the ship is the three-deck-high Colosseo atrium. An open-air balcony at the back of the ship has a glass floor to create the sensation of flying over water.

costacruises.com

17. Disney Wish, Disney Cruise Line

Capacity 4,000 Feel the magic on Disney Wish , the biggest ship in the Disney Cruise Line fleet, which launched in summer 2022. The ship showcases AquaMouse, the first Disney attraction at sea combining a ride with water effects and cartoon animation. There’s also the first Frozen-themed dining experience and a nostalgic 1923 restaurant named after the year Walt Disney Studios was founded. Disney Wish also has the line’s first Royal Suites spanning two storeys.

disneycruise.disney.go.com

• What it’s really like to go on a round-the-world cruise • Best cruise lines for first-timers • How safe is a cruise ship in a storm?

Additional reporting by Qin Xie

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The world’s biggest cruise ships, as newcomer takes top spot

Record breaking vessel sets sail on its first voyage this afternoon, article bookmarked.

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As the newly crowned world’s largest cruise ship, Wonder of the Seas, prepares to take its first voyage on Friday afternoon, the league table of mega-ships has once again shifted.

But you may be surprised to know that the whole top five - in terms of size and weight - is now dominated by the same operator, Royal Caribbean .

The 18-deck Wonder of the Seas departs Florida’s Fort Lauderdale this afternoon for its inaugural sailing, travelling to Labadee, Haiti, San Juan, Puerto Rico, Nassau, Bahamas and Perfect Day at CocoCay - a private island in the Bahamas - over a seven-day itinerary.

It is followed in the size stakes by four of its RC siblings - and will be overtaken in 2024 by another “Oasis-class” ship from the brand, which is yet to be named.

Here’s the lowdown on the Big 10 when it comes to cruising, and their larger-than-life features - from onboard surfing lessons to ziplines.

The world’s top 10 biggest cruise ships

1. wonder of the seas.

Operated by: Royal Caribbean

Weighing in at 236,857 gross tonnes and measuring 362m long and 64m wide, this hulking liner has capacity for 6,988 passengers, with more than 20 dining venues and 11 bars catering to them. Its mind-boggling facilities include the tallest waterslide at sea (the Ultimate Abyss), a casino, a carousel, a Flowrider surf machine, jogging track, zipline and outdoor cinema. The fifth in the operator’s “Oasis class” series of mega-ships has eight “neighbourhoods” or leisure zones, while all other Oasis ships have seven. The new ’hood is the “Suite Class” zone - essentially a lavish VIP area over three decks, where suite-class guests can bask on their own sundeck, plunge pool, bar and lounge.

2. Symphony of the Seas

This 362m-long vessel weighs in at 228,081 gross tonnes - 8,776 less than its gigantic new sibling. It has capacity for 6,680 passengers, to Wonder’s 6,988. But its facilities are no less showy: a laser-tag attraction, an ice-skating rink and AquaTheatre, rock-climbing walls, a FlowRider, an escape room and 21 food and drink outlets. Symphony also made a splash with its Ultimate Family Suite, which was deemed “cool” but also incredibly expensive by critics. Costing from $25,492 (£19,210) for a seven-night cruise for four, this multi-level candyland stateroom has its own tube slide, cinema, gaming tables and “genie” butler.

3. Harmony of the Seas

Only a metre shorter in size than both Wonder and Symphony (361m), Harmony weighs in at 227,000 gross tonnes and can accommodate 6,780 guests. It has many of the same headline features of its bigger siblings: the Ultimate Abyss waterslide, the FlowRider, zipline, and seven distinct “neighbourhoods”. Of the diverse crew, RC says: “there is one ice skate sharpener, a face painter, seven high divers, and two tight-rope walkers - not to mention two robots who staff the Bionic Bar.”

4. Oasis of the Seas

Getting marginally smaller at this stage, Oasis is 362m long and weighs 226,838 gross tonnes, with room for “just” 5,400 passengers. There are plenty of places to take a dip onboard, with four pools and 10 whirlpools, while its full-service spa, basketball court, ice rink and climbing walls all stack up to the top three’s facilities. The ship underwent a refurbishment in late 2019, with the cruise line’s first barbecue restaurant, Portside BBQ, added, along with the Ultimate Abyss slide and Music Hall theatre.

5. Allure of the Seas

The 16-deck Allure is 362m long and weighs 225,282 gross tonnes, hosting 6,780 passengers. It held the title of world’s largest cruise ship for six years, before its hefty siblings set sail. It delighted fans with its world-beating kids’ club and also has the seven “neighbourhood” zones shared by all Oasis-class ships, including a youth zone and a Coney Island-style boardwalk. Its swish 150 Central Park restaurant (a premium add-on) has a six-course tasting menu, but there are 10 food outlets included in your cruise price.

6. Costa Smeralda/Costa Toscana

Operated by: Costa Cruises

Costa Smeralda (337m long, 180,000 gross tonnes) was christened in February 2020, with Rome-inspired features such as a “Trastevere” area and “Piazza di Spagna” steps. Costa ships tend to have a more muted, traditional and grown-up look than RC’s “colour explosion” vibes - Smeralda also has a waterpark, spa and swanky restaurant with menus by top global chefs Bruno Barbieri, Hélène Darroze and Ángel León. It was awarded Green Plus status by certification body RINA for its compliance with sustainability measures, including the use of LNG (liquefied natural gas) and onboard desalination for water use. Twin ship the Costa Toscana - the same length, with just 5 more gross tonnes to its name - will set sail later this month.

Operated by: P&O Cruises

The 344m-long, 184,700 gross tonne Iona launched in February 2020, with room for 5,200 guests. It’s double-height “Sky Dome” area serves as a pool, bar and leisure area by day, and is used for entertainment at night. The vessel’s new “Conservatory mini suites” also added an affordable suite option for passengers. The greenest member of P&O’s fleet, and the first British cruise ship to be powered by LNG, it has a four-screen cinema, a teen “Scene” area, spa and 30 restaurants. Iona will depart on many European itineraries this year, including the Norwegian Fjords, Northern Europe, Spain and Portugal, and the Canary Islands.

8. AIDAnova

Operated by: Aida Cruises

The first of seven next-generation LNG-powered cruise ships ordered by Carnival Corporation - to sail under its German Aida brand - AIDAnova is 337m long and weighs in at 183,900 gross tonnes. Mostly serving itineraries around the Canary Islands, Germany, Norway and Madeira, she has specially designed single occupancy cabins and a “time travel” dinner experience. An onboard TV studio can produce its own quiz or game shows, with guests as the audience, while its foodie streak extends across 17 restaurants, including a teppanyaki bar and “Street Food Mile” serving global bites.

9. AIDAcosma

At 337m long, 183,200 GT heavy and 20 decks high, accommodating 5,200, Cosma is the only-marginally little sister to Nova. This cruiser launched on 26 February with a climbing wall and running track for fitness devotees, a waterpark area with slide that families love, and a sea-view sauna. It’s the second sustainable, LNG-run vessel in the series, with a pampering Body & Soul organic spa as well as lots of kid-friendly restaurants. Its standout “Ocean Deck” zone is a wraparound area of pools and sun terraces spread over four decks.

10. Mardi Gras

Operated by: Carnival

At 181,808 gross tonnes and 340m long, Mardi Gras is a mere minnow compared to some of the new-generation megaships. But she packs a lot into that size: housing 6,500 passengers, she has a spa and casino, six themed areas - including one zone inspired by New Orleans’ French Quarter, and a high-ceilinged, glassy atrium known as Grand Central - plus the first-ever rollercoaster at sea. She was North America’s first ship to be powered by LNG, and has the largest water park of Carnival’s fleet.

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Chart: See the Dramatic Rise in the Size of Cruise Ships

How much larger have cruise ships become? Until you are standing next to a modern cruise ship, it’s hard to appreciate just how massive they actually are.

Many times they are called floating cities. That’s not just a cute phrase. It’s accurate. The largest cruise ship in the world — Royal Caribbean’s Symphony of the Seas — can hold 6,600 passengers and 2,200 crew. That’s nearly 9,000 people.

Meanwhile, the amenities onboard include everything you need to run a city of that size, from nearly 20 restaurants to medical facilities, from laundry facilities to storefronts.

Growing in Size Over the Years

Gone are the days where a cruise ship was designed simply to be the vessel to get you from port to port. Today, the cruise ship is the destination.

For years there’s been an arms race when it comes to ships. The major cruise lines — including Carnival , Royal Caribbean , and Norwegian — have competed to create ships that not only push their own fleets bigger, but also put them on par with their rivals.

That’s led to the largest cruise ships the world has ever seen… and a steady increase in average size over time.

Consider that from 1990 until 2000, most cruise new ships built were in the 70,000-80,000 gross ton range. (Gross tonnage is a standard measure of a ship’s size.) The average size of all new ships during this time from the major cruise lines was 80,000 gross tons.

But since then the size of ships has soared.

From 2015 until today, the average gross tonnage of a new cruise ship from the major cruise lines is 164,000 gross tons — more than twice the size of a ship built during the 1990s. That includes the Symphony of the Seas, which comes in at a staggering 228,081 gross tons.

Take a look at just how dramatic the increase in cruise ship size has been during the past 30 years:

As you can see from the chart, when it comes to size, all the cruise lines continue to move toward larger ships. Every single cruise line has dramatically increased in size over the past several decades.

However, Royal Caribbean is the line that pushes the envelope the most when it comes to building bigger ships.

The line of ships at the top right of the chart represent the cruise line's Oasis-class of ships, which are the biggest in the world. First launched in 2009, the ships within this class are all at least 225,000 gross tons.

That's about three times the size of the average ship built in the 1990s .

Why Cruise Ships Continue to Get Bigger

So why do cruise ships continue to get larger? For cruise companies and passengers, there are a number of benefits to larger cruise ships.

For passengers, larger ships simply mean more options. With more space comes more restaurants, public areas, activities, and cabin types.

Consider Carnival's Mardi Gras. The new mega-liner is set to debut at the end of 2020, and will have more than 15 spots to eat on board. That's a long way from just having a buffet, dining room and maybe another restaurant or two like you would have found on much older cruise ships.

Norwegian's Breakaway-Plus class of ships like Norwegian Encore have the space to include a number of activities that were unheard of just a few years ago. This includes laser-tag arenas, virtual reality areas, and even go-kart tracks at sea.

For cruise lines, larger ships bring economies of scale come into play. Put simply, it's much cheaper for a cruise line to build and operate one 6,000 person cruise ship than two ships with 3,000 people sailing. It requires less staff, and less cost to build a single large ship than two smaller ones.

With more space, there are also more chances to earn money from passengers. As mentioned by Travel Weekly , "large ships have far greater potential for onboard revenue than smaller ones, with more space for bars, restaurants, and bigger casinos and spas."

Finally, cruise ships act as a marketing tool for the cruise line.

With each new ship comes new media coverage and attention to the ship and the line. In the race to gather attention, bigger and more extravagant lead the way to gather the imagination of potential passengers. There's a very good reason that you never see older ships in the advertisements from the cruise lines.

Limits on Cruise Ship Size

Given the current trend, you might think that cruise ships will continue to increase in size in the future. That's likely not the case. There does come a point to where size becomes a negative instead of a benefit.

Consider that the Oasis of the Seas -- the first of the largest Oasis-class vessels built by Royal Caribbean -- was built in 2009, more than a decade ago. Since then, it's had several sister ships built, that have been marginally larger at most. However, there hasn't been a significantly larger cruise ship built.

Instead, at least for now, this seems to be the upper limit for how large cruise ships will become. As ships get larger, so too do the logistical issues that come with them. Namely, not every port of call can handle the size and scale of the largest vessels.

For example, the Port of Tampa Bay simply can't have the largest cruise ships dock because the height of the Sunshine Skyway Bridge at the entrance to the bay is too low.

The Port of Galveston (the busiest cruise port outside of Florida) anticipates welcoming an Oasis-class vessel in the future, but first has to work with Royal Caribbean to build a new terminal that can accommodate ships of that size.

But while the limit on the size of ships may have maxed out for now, there is still room for more vessels to be built up to current standards. Of the 120 cruise ships included on our chart above, 49 of them (41%) are less than 100,000 gross tons.

Given the recent troubles the industry has faced it may take some time to replace those older, smaller ships with larger vessels. But there's no question that the trend definitely is moving that way.

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How Many Passengers Does The Biggest Cruise Ship Hold

Published: December 15, 2023

Modified: December 28, 2023

by Catherina Ruggiero

• Travel Guide

Introduction

Welcome aboard the world of cruising, where luxury and entertainment meet the vastness of the open sea. For travelers seeking a unique and unforgettable vacation experience, cruise ships offer a perfect blend of relaxation, adventure, and exploration. With their grandiose size and impressive amenities, modern cruise ships have become floating cities, catering to the needs and desires of thousands of passengers. In this article, we will delve into the world of colossal cruise ships and explore how many passengers they can hold.

Cruise ships have come a long way since their humble beginnings. From the pioneering ocean liners of the early 20th century to the state-of-the-art vessels of today, they have continuously evolved to create an exceptional cruising experience. From gourmet dining options and world-class entertainment to luxurious spas and thrilling onboard activities, cruise ships provide a myriad of amenities to keep passengers entertained throughout their voyage.

So, just how many passengers can these mammoth vessels accommodate? Well, the passenger capacity of a cruise ship can vary significantly based on several factors, including its size, layout, stateroom configurations, and onboard facilities. Larger ships tend to have a higher passenger capacity, as they have more space to accommodate various amenities and entertainment options.

When it comes to the largest cruise ship in the world, the title currently belongs to the awe-inspiring Symphony of the Seas, a part of Royal Caribbean’s Oasis Class of ships. This massive vessel can accommodate a staggering number of passengers, ensuring that there is never a shortage of excitement on board. Let’s take a closer look at the Symphony of the Seas and its extraordinary passenger capacity in the next section.

Overview of the world’s biggest cruise ships

In recent years, cruise lines have been engaged in a friendly competition to build the largest and most luxurious cruise ships in the world. These magnificent vessels boast multiple decks, elegant interiors, and an array of amenities that rival five-star resorts. Let’s take a brief look at some of the biggest cruise ships that have captured the imaginations of travelers worldwide.

• Symphony of the Seas: With a length of 1,188 feet and a weight of over 228,000 tons, Symphony of the Seas is currently the largest cruise ship in the world. This Royal Caribbean ship offers an incredible array of entertainment options, including 25 dining venues, 23 swimming pools, a zip line, a full-sized basketball court, and a casino.
• Oasis of the Seas: Another member of the Royal Caribbean’s Oasis Class, Oasis of the Seas measures approximately 1,187 feet in length and can carry over 6,000 passengers. This ship features Central Park, an open-air area with lush greenery, as well as an ice rink, a carousel, and a 1,380-seat theater.
• Allure of the Seas: Like its sister ship, Oasis of the Seas, Allure of the Seas is a part of Royal Caribbean’s Oasis Class. It measures about 1,187 feet and can accommodate over 6,000 passengers. Onboard, passengers can enjoy the thrilling zip line, numerous pools and hot tubs, Broadway-style shows, and a wide variety of dining options.
• Harmony of the Seas: Harmony of the Seas, also a member of the Oasis Class, spans approximately 1,188 feet and can hold more than 6,600 passengers. This ship offers innovative features such as the Ultimate Abyss, a 10-story slide, an AquaTheater for live performances, and a Central Park with over 12,000 live plants.
• MSC Meraviglia: MSC Meraviglia, operated by MSC Cruises, is one of the largest ships in the world, measuring around 1,034 feet in length. It can accommodate over 5,700 passengers and boasts an exclusive Mediterranean-style promenade, a water park, a full-size bowling alley, and a wide array of specialty restaurants.

These extraordinary cruise ships offer a multitude of lavish amenities and entertainment options, ensuring that passengers have a remarkable experience while sailing the seas. From world-class dining and thrilling water slides to Broadway-quality shows and luxurious spas, these mega-ships combine leisure and adventure to create unforgettable memories for travelers of all ages.

Now, let’s delve deeper into the factors that influence the passenger capacity of these colossal cruise ships.

Factors influencing the passenger capacity

The passenger capacity of a cruise ship is not solely determined by its size. Many factors come into play when calculating how many passengers a ship can hold. Let’s explore some of the key factors that influence the passenger capacity of these massive vessels.

Ship Size: Unsurprisingly, the size of a cruise ship plays a significant role in determining its passenger capacity. Larger ships have the advantage of having more space to accommodate various amenities and staterooms, allowing for a higher number of passengers on board. However, it’s important to strike a balance between size and maneuverability, ensuring that the ship can navigate different ports and waterways.

Layout and Design: The layout and design of a cruise ship also impact its passenger capacity. Ships with well-planned and efficient layouts can maximize the number of staterooms, public areas, and amenities, accommodating more passengers. Clever use of space and thoughtful architecture can help create a comfortable and spacious environment for travelers.

Stateroom Configurations: The types and sizes of staterooms available on a cruise ship can vary significantly. From compact interior cabins to expansive suites, there is a wide range of accommodations to cater to different budgets and preferences. The mix of staterooms affects the overall passenger capacity, as smaller rooms can accommodate more guests, while larger suites may have a lower occupancy limit.

Amenities and Facilities: Cruise ships are renowned for their extensive range of amenities and facilities. From restaurants and bars to pools and spas, these onboard features contribute to the overall passenger capacity. Additional dining venues, entertainment spaces, and recreational facilities can accommodate more passengers, ensuring that everyone has a variety of options to enjoy during their voyage.

Safety Regulations: Passenger safety is of utmost importance on cruise ships, and safety regulations can impact the maximum capacity of a vessel. Evacuation protocols, lifeboat capacity, and emergency exits are some of the factors that determine the maximum number of passengers a ship can carry safely in case of an emergency.

Crew-to-Passenger Ratio: The number of crew members onboard also affects the overall passenger capacity. Adequate staff is required to provide excellent service, maintain cleanliness, and ensure passenger safety. The size of the crew and their assigned duties must be taken into account when determining the maximum number of passengers a ship can accommodate.

By considering all these factors, cruise lines carefully design and construct their ships to optimize passenger capacity while maintaining the utmost safety and comfort for their guests. The next section will focus on the Symphony of the Seas, the current holder of the title for the world’s largest passenger ship, and its remarkable capacity.

The largest cruise ship: Symphony of the Seas

When it comes to the largest cruise ship in the world, the Symphony of the Seas, from Royal Caribbean International’s Oasis Class, takes the crown. This phenomenal vessel, which made its debut in 2018, boasts an impressive passenger capacity that ensures an unforgettable experience for thousands of holidaymakers.

The Symphony of the Seas stretches an astonishing 1,188 feet in length and weighs over 228,000 tons. It encompasses an array of amazing features and amenities, allowing passengers to indulge in the ultimate cruising experience. The ship offers a wide selection of accommodations, from interior and ocean-view staterooms to luxurious suites with private balconies and exclusive perks.

Onboard, passengers can explore a multitude of thrilling activities and entertainment options. The ship features 25 dining venues, ranging from casual cafés to exquisite specialty restaurants serving mouthwatering international cuisines. Whether passengers crave a juicy steak, an authentic Italian pasta dish, or fresh seafood, Symphony of the Seas has something to delight every palate.

For those seeking excitement, the ship offers an abundance of thrills. Passengers can zip line across the open-air Boardwalk, challenge themselves on the FlowRider surf simulator, or take a plunge down one of the tallest slides at sea. Adventure-seekers can also try their luck at the ship’s exciting casino or engage in a friendly game of basketball on the full-sized court.

When it comes to entertainment, Symphony of the Seas raises the bar. Guests can enjoy mesmerizing productions at the Royal Theater, showcasing Broadway-quality shows, or be dazzled by the high-flying acrobatics and aquatic performances at the AquaTheater. The ship also houses a vibrant nightlife scene, with numerous bars, clubs, and lounges, where passengers can dance the night away or unwind with a refreshing cocktail.

Furthermore, Symphony of the Seas offers a wide range of amenities and facilities for relaxation and rejuvenation. From luxurious spa treatments and tranquil adult-only pools to expansive sun decks for soaking up the rays, passengers can find the perfect spot to unwind and enjoy breathtaking views of the ocean.

With its exceptional passenger capacity, Symphony of the Seas can accommodate over 6,700 guests, including both adults and children. This ensures that there is ample space for everyone to enjoy the ship’s numerous features and activities. The ship’s size and diverse offerings make it an ideal choice for families, groups, and individuals looking to embark on a truly remarkable cruise vacation.

Now that we’ve explored Symphony of the Seas and its extraordinary capacity, let’s compare its passenger capacity with other leading cruise liners in the next section.

Passenger capacity comparison with other leading cruise liners

When it comes to cruising, size matters. As cruise lines continue to push the boundaries of ship design and engineering, the passenger capacity of these floating marvels continues to increase. Let’s compare the passenger capacity of Symphony of the Seas, the largest cruise ship in the world, with some other notable players in the industry.

As mentioned earlier, Symphony of the Seas, from Royal Caribbean International’s Oasis Class, can accommodate over 6,700 passengers. This massive ship offers plenty of space and amenities to ensure that every guest has a fantastic vacation experience.

On the other hand, Oasis of the Seas and Allure of the Seas, both belonging to the same Oasis Class as Symphony, have a similar passenger capacity, surpassing the 6,000 mark. These sister ships provide an abundance of activities, dining options, and entertainment venues to cater to the needs of their guests.

Harmony of the Seas, another member of the Oasis Class fleet, can carry over 6,600 passengers. This ship offers similar amenities to Symphony of the Seas, including the thrilling Ultimate Abyss slide and the mesmerizing AquaTheater.

MSC Meraviglia, operated by MSC Cruises, is also one of the largest ships in the world. With a passenger capacity of over 5,700, it offers a wide range of entertainment, dining, and relaxation options. Its exclusive Mediterranean-style promenade is a unique feature that sets it apart.

When comparing these impressive passenger capacities, it’s clear that the size and onboard offerings of these mega-ships have allowed cruise lines to accommodate thousands of guests at a time. These large capacities not only cater to the growing demand for cruising but also provide ample opportunities for travelers to meet new people, participate in various activities, and explore different dining options during their journey.

It’s important to note that while these ships have high passenger capacities, cruise lines also prioritize creating spacious and comfortable environments for guests. They carefully design the ships, ensuring that the layout and amenities are optimized to avoid overcrowding and ensure a pleasant experience for everyone on board.

Now that we have explored the passenger capacity of some leading cruise liners, let’s step inside the ships and discover the remarkable facilities and amenities they offer to their passengers.

Inside the ship: Facilities and amenities for passengers

Stepping inside a modern cruise ship is like entering a world of endless possibilities. These floating cities are designed to provide passengers with a wide range of facilities and amenities, ensuring that there’s never a dull moment during their voyage. Let’s explore some of the remarkable features you can find inside these magnificent ships.

Dining options: One of the highlights of any cruise is the delectable dining experiences on offer. From elegant main dining rooms serving gourmet cuisine to specialty restaurants showcasing international flavors, cruise ships offer an array of culinary delights. Passengers can indulge in mouthwatering dishes inspired by different cultures and regions, ensuring there’s something to satisfy every palate.

Onboard entertainment: Cruise ships are known for their exceptional entertainment options. Passengers can enjoy Broadway-style shows in grand theaters, featuring talented performers and stunning production values. From high-flying acrobatic performances to live music and comedy acts, there’s entertainment for every taste and age group. Some ships even have movie theaters, planetariums, and virtual reality gaming zones to keep passengers entertained throughout their journey.

Recreation and activities: Cruise ships offer a plethora of recreational activities to cater to every interest. From water parks with thrilling slides and swimming pools to sports facilities like basketball courts and rock climbing walls, there’s no shortage of excitement on board. Passengers can also enjoy activities like cooking classes, dance lessons, art workshops, and even wine tastings, ensuring there’s something for everyone to enjoy.

Relaxation and wellness: Cruise ships provide a range of facilities for relaxation and rejuvenation. Passengers can unwind in luxurious spas, offering a variety of treatments such as massages, facials, and aromatherapy. Many ships also feature fitness centers equipped with state-of-the-art equipment, fitness classes, and jogging tracks for those who want to stay active during their vacation.

Family-friendly amenities: Cruise ships go above and beyond to ensure that families have a fantastic time on board. Many ships have dedicated children’s clubs and teen lounges, offering age-appropriate activities and supervised play areas. Kids can enjoy treasure hunts, arts and crafts, video game tournaments, and even meet their favorite characters. Meanwhile, adults can take advantage of adult-only pools, bars, and quiet retreats for some peaceful relaxation.

Shopping and boutiques: Cruise ships often feature shopping areas and boutiques where passengers can indulge in some retail therapy. From duty-free shops selling jewelry, luxury goods, and fashion to onboard boutiques featuring designer brands, there’s plenty of opportunity to find the perfect souvenir or treat yourself to something special.

Outdoor spaces: Cruise ships provide ample outdoor spaces for passengers to soak up the sun and enjoy breathtaking views. From expansive sun decks with loungers to promenades lined with shops and cafés, passengers can relax and take in the beauty of the ocean while enjoying the ship’s amenities.

These are just a few examples of the numerous facilities and amenities cruise ships offer. Whether you’re seeking relaxation, adventure, entertainment, or indulgence, these floating resorts provide a wealth of options to ensure an unforgettable experience for every passenger.

Cruise ships have truly revolutionized the way we travel, offering a unique and unforgettable vacation experience on the high seas. From the world’s largest cruise ship, Symphony of the Seas, to other colossal vessels, these floating cities provide a breathtaking array of facilities and amenities for passengers.

With their impressive size and meticulous design, cruise ships can accommodate thousands of passengers at a time while ensuring a comfortable and enjoyable environment. Factors such as ship size, layout, stateroom configurations, and onboard amenities all play a role in determining the passenger capacity of these magnificent vessels.

The largest cruise ships in the world, such as Symphony of the Seas and its sister ships Oasis of the Seas and Allure of the Seas, can accommodate over 6,000 passengers. These ships offer an abundance of dining options, entertainment venues, and recreational activities to cater to every passenger’s desires.

While size matters, cruise liners also prioritize creating spacious and comfortable environments to avoid overcrowding. Passengers can look forward to enjoying world-class dining experiences, captivating entertainment shows, thrilling activities, relaxing spa treatments, and much more during their voyage.

Cruise ships are a haven for families, groups, and individuals seeking adventure, relaxation, and exploration. With their diverse amenities, there is something to entertain and delight every age and interest. Whether you’re seeking high-energy excitement or tranquil serenity, these ships offer an extraordinary array of experiences for everyone.

As cruise lines continue to innovate and push the boundaries of ship design, the passenger capacity of these floating marvels will continue to rise. The future holds even greater possibilities for travelers, as cruise ships become more technologically advanced and offer even more impressive features.

So, if you’re dreaming of the perfect vacation that combines luxurious accommodations, exceptional dining, thrilling entertainment, and the vastness of the open sea, a cruise ship awaits you. Set sail on one of these colossal vessels and embark on a remarkable journey that will create memories to last a lifetime.

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Celebrity Cruises ships ranked by size from biggest to smallest — the complete list

Are you looking for the most venue-packed Celebrity Cruises ships at sea? If so, you'll want to get on one of the biggest Celebrity Cruises ships.

The biggest Celebrity cruise ships are, as you might expect, the Celebrity ships with the most onboard restaurants, bars, showrooms and decktop pool zones. They also have the biggest casinos and spas among ships in the Celebrity cruise fleet and the most cabins and suites — as well as the most variation in cabin and suite types.

With room for 3,000 passengers or more, the biggest Celebrity ships are like floating versions of the big resorts you find on land in places like Orlando or Las Vegas, although they're not quite as large as the very biggest resorts on land or sea (for the latter, you'd probably want to try a Royal Caribbean or MSC Cruises vessel). If you're in the "bigger is better" camp when it comes to a resort experience, the biggest Celebrity Cruises ships are the Celebrity ships for you.

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Still, Celebrity doesn't just operate large vessels. The Miami-based cruise brand also markets several relatively small cruise ships that carry just 2,000 or so people and have a much more intimate feel. In some cases, these vessels are 35% smaller than the biggest Celebrity cruise ships. They are ships that, notably, have fewer decktop activities and interior venues than the biggest Celebrity cruise ships.

These smaller Celebrity cruise ships are best for vacationers who like a more intimate, less crowded resort experience.

Related: The 4 types of Celebrity Cruises ships, explained

Celebrity also operates three even smaller vessels — much smaller; they carry just 16 to 100 people — in the Galapagos year-round. These three vessels make up what is essentially an entirely different business for Celebrity than the mainstream, big-ship cruising that is at the core of the company.

Celebrity is essentially two cruise lines in one: a big-ship brand with 12 vessels that carry 2,000 to 3,000 passengers and sail around the world, and a Galapagos cruisetour operator with three very tiny vessels. We include all of the vessels in this guide.

To make sure you end up on the right Celebrity ship for you, it pays to study which Celebrity cruise ships are the biggest and which are the smallest before booking.

Here, every Celebrity ship currently in operation is ranked from biggest to smallest.

1. Celebrity Beyond

Maiden voyage: 2022 Size: 141,420 tons Passenger capacity: 3,260

2 (tied). Celebrity Apex

Maiden voyage: 2020 Size: 130,818 tons Passenger capacity: 2,910

2 (tied). Celebrity Edge

Maiden voyage: 2018 Size: 130,818 tons Passenger capacity: 2,908

4. Celebrity Reflection

Maiden voyage: 2012 Size: 125,366 tons Passenger capacity: 3,046

5. Celebrity Silhouette

Maiden voyage: 2011 Size: 122,210 tons Passenger capacity: 2,886

6 (tied). Celebrity Eclipse

Maiden voyage: 2010 Size: 121,878 tons Passenger capacity: 2,850

6 (tied). Celebrity Equinox

Maiden voyage: 2009 Size: 121,878 tons Passenger capacity: 2,850

6 (tied). Celebrity Solstice

Maiden voyage: 2008 Size: 121,878 tons Passenger capacity: 2,850

9 (tied). Celebrity Constellation

Maiden voyage: 2002 Size: 91,000 tons Passenger capacity: 2,170

9 (tied). Celebrity Summit

Maiden voyage: 2001 Size: 91,000 tons Passenger capacity: 2,158

9 (tied). Celebrity Infinity

Maiden voyage: 2001 Size: 91,000 tons Passenger capacity: 2,170

9 (tied). Celebrity Millennium

Maiden voyage: 2000 Size: 91,000 tons Passenger capacity: 2,137

13. Celebrity Flora

Maiden voyage: 2019 Size: 5,739 tons Passenger capacity: 100

14. Celebrity Xpedition

Maiden voyage: 2001 Size: 2,842 tons Passenger capacity: 48

15. Celebrity Xploration

Maiden voyage: 2007 Size: 320 tons Passenger capacity: 16

What is the biggest Celebrity Cruises ship?

The biggest Celebrity cruise ship is Celebrity Beyond, which measures 141,420 gross tons. It's also the newest Celebrity cruise ship. It debuted less than two years ago, in April 2022.

What is the smallest Celebrity Cruises ship?

The smallest Celebrity cruise ship is the super-tiny Celebrity Xploration. Based in the Galapagos, it measures 320 tons, just a tiny fraction of the size of Celebrity Beyond, and it holds just 16 passengers.

Or, to put it another way, Celebrity Xploration holds fewer passengers than a lifeboat on Celebrity Beyond.

Are bigger Celebrity Cruises ships coming?

Not right now. Celebrity Cruises currently has two new cruise ships on order. However, each of the vessels is projected to be roughly the same size as the recently unveiled Celebrity Beyond — about 141,000 tons.

That size estimate can change, of course, as construction on the ships draws closer to completion. Celebrity might add elements to the ships that increase their size.

The first of the two ships on order, Celebrity Ascent, is due to start sailing in December 2023. It will be followed by an as-yet-unnamed vessel in 2025.

The two Celebrity Cruises ships on order will be the fourth and fifth ships in Celebrity's Edge-class series of vessels that began debuting in 2018. The first three ships in the series are Celebrity Edge, Celebrity Apex and Celebrity Beyond.

The Edge-class vessels are being built at the giant Chantiers de l'Atlantique shipyard in St. Nazaire, France.

Related: 5 things to love about Celebrity Beyond

What's the difference between bigger and smaller Celebrity Cruises ships?

The biggest Celebrity cruise ships have room for more onboard venues and attractions than smaller Celebrity ships. That makes them more alluring for vacationers who prefer a big resort experience with lots of options as compared to a stay at a smaller resort.

On Celebrity's biggest vessel, Celebrity Beyond, for instance, you'll find an expanded "resort-within-a-resort" area for suite passengers called The Retreat that isn't on the smaller vessels in the same Edge-class series or on other smaller ships in the Celebrity fleet. It offers a new two-story sun deck with hot tubs, lounge chairs and private cabanas that are open exclusively to passengers staying in suites.

Celebrity Beyond also has 179 more cabins than its smaller sister vessels, Celebrity Apex and Celebrity Edge, which each have 1,467 cabins. As a result, it holds 3,260 passengers at double occupancy. That's up from a 2,910-passenger capacity at double occupancy for Celebrity Apex and a 2,908-passenger capacity at double occupancy for Celebrity Edge.

Related: The 5 best destinations you can visit on a Celebrity ship

Celebrity's smaller Millennium-class ships, by contrast, only carry about 2,100 passengers at double occupancy. As a result, they have a more intimate feel, at least in the pantheon of relatively big, mass-market ships.

That makes the latter vessels a good choice for someone who wants to try Celebrity but isn't eager to travel with big crowds. The smaller ships in the Celebrity fleet thus appeal to a subset of Celebrity fans who prefer more intimacy in a cruise vessel and don't mind giving up some onboard amenities to get it. They are also often less expensive to sail on, on a per-day basis.

Related: Don't miss out on these Celebrity loyalty perks

Celebrity's three very small Galapagos-based vessels have the most intimate feel of all. They are like tiny little boutique hotels that float.

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