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Unsurprisingly, Royal Caribbean's Icon Class and Oasis Class dominate the top five in both categories. Perhaps more surprisingly, only two other lines join it on the winner's podium. When it comes to the largest ships, Royal Caribbean is the undisputed leader with the six biggest cruise ships in the world. But the king of the fleet — and the largest cruise ship in the world — is Icon of the Seas. P&O Cruises held its spot on the top ten list of largest cruise ships in the world with an aptly named ship. Arvia is Latin for “from the seashore.” Arvia was launched in 2022 and features 19 decks (15 passenger-accessible decks).
Top 25 Biggest Cruise Ships in the World
Icon of the Seas: World's largest cruise ship sets sail from Miami - BBC.com
Icon of the Seas: World's largest cruise ship sets sail from Miami.
Posted: Sun, 28 Jan 2024 08:00:00 GMT [source]
Social 020 is hidden between Playmakers and the Absolute Zero ice skating rink. It has gaming pods, hangout nooks and comfy seating, and foosball tables. It's meant to be a place for teens ages to meet up and hang out, but much of the teen programming will take place around the ship. Look for teen-only takeovers of the water park and Hideaway Pool, VIP seating for select shows, group dinners at Izumi and exclusive laser tag play.
DISCOVER. PERFECT DAY AT COCOCAY
An international crew of 1,678 works to deliver dream vacations for up to 6,600 passengers who will love to discover all there is to do, see and experience on board. It also features a carousel on a real boardwalk, a dry slide that twists down 10 decks, surfing simulators, a laser tag arena, an ice skating rink and a zip line that spans the interior width of the ship. It also has interior rooms with balconies that look out over the restaurant and a tree-lined neighborhood that looks like Central Park.
Mardi Gras, Carnival Cruise Line
It has 2,700 staterooms, 430,000 square feet of public space, 16 total decks and even an 11-foot dry slide called the Spiral, among the longest dry slide at sea. World Europa is the first of four total ships in MSC's World-class fleet, with the second ship World America set to launch in 2025. Wonder of the Seas, the fifth Oasis-class vessel, took the world’s largest cruise ship title from her sister Symphony of the Seas in 2022.
What’s the Largest Cruise Ship in the World?
Wonder of the Seas offers some exciting new features—in addition to boasting the largest poolside movie screen of any RCCL ship there’s also The Vue, a cantilevered bar offering panoramic ocean views. Entertainment abounds on this ship, from the splashy Aqua80 show in the AquaTheater to Music Hall, a live music venue with plenty of floor space for dancing. Or try one of the four onboard water slides including the ten-story-high Ultimate Abyss. MSC Bellissima is home to a thrilling Grand Canyon-themed waterpark with three waterslides—two racing tubes as well as a champagne bowl-style slide. The younger set will love the Aquaplay spray area, and guests of all ages can climb the Himalayan bridge, a rope course that crosses the ship high above the water.
What is the largest cruise ship capacity?

Costa Smeralda was named after a popular tourist destination in Sardinia. Among the standout features planned for MSC World America will be an Aquapark with multiple waterslides that integrate virtual reality technology. MSC Cruises also announced last week that the ship would have what's billed as the only overwater swing ride at sea; the attraction is called Cliffhanger, and it's suspended 160 feet above the water. Dating to November 2022, Carnival Celebration is the world's 14th biggest cruise ship. Smaller cruise lines — with ships that fit hundreds rather than thousands of guests — dominated U.S.
The new-class Icon of the Seas is an impressive 250,800 gross tons and can hold 5,610 passengers at double occupancy. The giant ship that Meyer Turku built in Finland can also hold 2,350 crew members. There are also nearly two dozen whirlpool spas, a sauna, steam room and a hydrotherapy pool. Costa Toscana is the second Excel class vessel built for Carnival-owned Costa Cruises. The LNG-powered cruise ship is the flagship of the fleet and was constructed at the Meyer Turku shipyard in Finland. She’s almost identical to the Costa Smeralda, including gross tonnage and size.

To calculate GT, first a ship’s volume is calculated by measuring from keel to funnel to the outside of the hull framing. That number (in cubic meters) is then run through several mathematical formulas to determine GT. (I won’t go into all of that here, but if you’re interested the US Coast Guard has a simplified guide to measuring gross tonnage). This means that whether you’re taking a singles cruise or have children in tow—the Arvia is a family-friendly ship with age-specific kids clubs on board—serious rest and relaxation are definitely on the agenda.
MSC Grandiosa
The unique onboard ambiance continues today on the most recent Mardis Gras, which was launched in 2021, and has 17 passenger decks, 2,641 staterooms and a rollercoaster. Royal Caribbean's Symphony of the Seas slips to the fourth position this year, having been the biggest cruise ship in the world from 2018 to 2022. Harmony of the Seas overtakes its older Oasis-class ships just slightly, making her the fourth-largest cruise ship in the world. The vessel is the first of two new orders from STX France to expand the large class ships to four.
Royal Caribbean has one of the fastest Wi-Fi systems at sea, called Voom, and you can take advantage of this on Icon of the Seas. Currently, Wi-Fi packages with streaming bandwidth start at $30.99 per day for one device (or $24.99 per day per device for packages accommodating two, three or four devices), though prices do change over time. Live bands perform at night in The Music Hall on decks 3 and 4 by the casino.
Arvia is the second Excel class cruise ship for British-based P&O Cruises. The vessel is slightly larger than its sister ship Iona and was constructed at the popular Meyer Werft shipyard in Papenburg, Germany. She is currently the largest in the P&O fleet and is the largest ever constructed vessel purposely for the British market. Plenty of family-friendly cruise ships have waterslides, but few have six — or even one that requires a multi-person raft.
Icon of the Seas has only two types of ocean-view rooms with a window but no balcony. Its new Panoramic Ocean View rooms are within the AquaDome, offering floor-to-ceiling windows rather than the standard picture window. They will also be larger than the standard balcony cabin at 258 square feet (compared to 160 to 187 square feet).
The ship's Vitality Spa on Deck 14 offers salon services for men and women, plus all your favorite spa treatments and an extra-fee thermal suite with heated loungers and aromatherapy showers. The fitness center is separate, located on decks 5 and 6 (though the Deck 5 entrance is off the jogging track that loops that deck). Most of Thrill Island is dominated by the Category 6 water park with six slides. Two are raft slides that accommodate two to four people, and two are toboggan-style forward-facing racing slides. Most of the slides are pretty extreme, and little kids (and their wussy parents) might find them too intense.
Our favorites were the two family raft slides, where two to four riders slide together in round rafts. But there wasn't a basic body slide that a kid could ride again and again without a friend or parent along. All the others had steep drops or were face first and super fast, with too much water in your eyes and nose.