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These are sisterships from the fleet of the second-largest cruise shipping company in the world - RCCL-Royal Caribbean Cruises Ltd (as shipowner) that follows only Carnival Corporation (as shipowner). Carnival Mardi Gras first debuted in 1972 and was a trailblazing ship. Its preliminary focus was on festive fun for all guests (hence the name), which was unlike any other cruise ship at the time. 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.
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Royal Caribbean’s leaders say they view liquified natural gas as a “transitional fuel,” and that they hope to continue to reduce the environmental impact of their ships moving forward. With progress on Icon of the Seas moving along, Royal Caribbean has already started building another large “icon class” ship. The cruise line expects that unnamed vessel to launch in 2025, per a statement. The vessel is different from other large ships in the cruise industry and boasts features like the Zipline and the AquaTheater.
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Planned with 20 decks, 2,805 staterooms, seven pools and nine hot tubs, the future largest ship in the world is currently being built in Finland. Here are the details about the biggest and grandest ships to sail on. As to vessels' dimensions, each boasts the unimaginable weight of 227, ,000 GT / gross tons, LOA length 362 m (1187 ft) and waterline width 47 m (154 ft). As the GT is a volume measurement, the ship's actual mass (called displacement) is approx 100,000 tons (the hull alone weighs about 54,000 tons).
Royal Caribbean Wonder of the Seas
She carries 5,479 passengers (based on two per cabin) with a total guest capacity of 6,687. Wonder of the Seas is the fifth ship in the popular Oasis Class and is 235,600 GT’s. She carries 5,734 passengers (based on two per cabin) with a total guest capacity of 7,084. Wonder of the Seas is the first ship in the Oasis Class to feature 8 neighborhoods with the addition of the new Suite Neighborhood. She also received other design enhancements to the Windjammer Café and other areas and is the first ship to include the popular restaurant, The Mason Jar. The last Royal Caribbean ship on the list is the Allure of the Sea.
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Today, it’s the third-largest cruise ship on the planet, but it’s no slouch. It holds seven different neighborhoods, nearly 3,000 staterooms, three waterslides, and Ultimate Abyss — a 10-story dry slide. On November 27, 2023, Royal Caribbean’s Icon of the Seas was officially delivered from the Meyer Turku shipyard in Finland to Royal Caribbean.
What’s the Largest Cruise Ship in the World?
Until Utopia of the Seas launches in 2024, Sun Princess will be among the twenty largest cruise ships afloat on the world’s oceans. The ship’s first cruise is set for February 2024, and will debut Princess Cruises' largest number of dining options, offering guests 29 choices. Keep in mind that this list of biggest cruise ships in the world changes annually, as cruise lines update their fleets. While Royal Caribbean continues to dominate the top (and the bottom) of the list, new entries may surprise you. For example, Princess Cruises has a new ship on the list (the largest ever for that fleet), barely missing the top twenty.
MSC World Europa (MSC Cruises)
In every instance, it is followed by Seattle-based Seabourn Cruise Line, Carnival Corporation's ultra-luxury brand. To qualify for this category, at least 62% of a cruise line's online traveler reviews must be made by couples. Wi-Fi, tips and drinks — like cocktails, wine and specialty coffees — are included in most Celebrity cruise bookings, however the cheapest rates can be purchased without them. Right now, a four-day cruise from Miami to the Bahamas is around $440 per person, including taxes, for an inside state room. Here, average daily rates accounted for 60% of scores, while expert, traveler and health ratings accounted for the other 40%.
What it’s really like sailing on the world’s biggest cruise ship
There are also nearly two dozen whirlpool spas, a sauna, steam room and a hydrotherapy pool. But the largest cruise ships on the planet are in another league altogether. They can measure up to 250,000 gross tons (roughly triple the size of a ship built 30 years ago!) and when at full capacity with crew, have nearly 10,000 people onboard. MSC Seascape debuted in December 2022 easily making our list of the biggest cruise ships in the world. This impressive ship has 20 decks with 2,270 staterooms in 12 different categories.
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It weighs 225,282 gross tons and has 18 total decks spread across its 1,187-foot length. Royal Caribbean says the massive ship has 20 total decks, seven pools and nine whirlpools, and a waterpark with “record-breaking” slides. No doubt, this will become one of every passenger’s favorite cruises.

The world's biggest cruise ship propulsion system guarantees the perfect maneuverability by 3 rotatable Azipod thrusters (suspended under the ship's stern), each with a huge electric motor and a 6 m (20 ft) propeller. And in times of need - there are 18 lifeboats, each with a capacity of 370 people. MSC Virtuosa, which is another member of the Meraviglia-Plus class, first set sail in May 2021. It is easily one of the largest in MSC's fleet (along with sister ship Grandiosa), having 2,421 cabins on 15 passenger-accessible decks (18 decks total). Harmony of the Seas overtakes its older Oasis-class ships just slightly, making her the fourth-largest cruise ship in the world.
Go big on bold when you sail aboard the three largest cruise ships in the world. Deck-defying attractions aren’t the only things to look forward to when you sail onboard the newest cruise ship addition to the Oasis Class. One of the most important cruise tips for vacationing on one of these big boats is to accept that you won’t be able to do it all on your first visit.

It was the first ship to be awarded the "Blauer Engel," which is a German environmental label given to green-friendly products and services. Costa Smeralda is the first ship in Costa Cruises' Excellence-class fleet. This premier ship has 20 decks along with 2,614 staterooms and suites onboard. Costa Smeralda was named after a popular tourist destination in Sardinia.
As Jalopnik’s Ryan Erik King writes, it’s the size of five Titantics. More specifically, Icon of the Seas measures 1,198 feet long—nearly a quarter of a mile—and has a gross tonnage of 250,800. All that space means it can accommodate 5,600 guests and 2,350 crew members. British-based P&O Cruises took delivery of its largest-ever cruise ship and first to be powered by Liquified Natural Gas (LNG) in October 2020. This came after delays due to the global pandemic and the impact on the Meyer Werft shipyard in Papengburg, Germany, which is where the vessel was constructed.
What it's really like sailing on the world's biggest cruise ship - The Times
What it's really like sailing on the world's biggest cruise ship.
Posted: Sun, 21 Apr 2024 23:01:00 GMT [source]
Anthem of the Seas debuted in 2015 and has 16 decks (14 guest decks) along with 2,090 staterooms. MSC Meraviglia is the first ship in MSC's Meraviglia-class and received the "8 Golden Pearls" award, which recognizes sustainable and environmental stewardship. This meritable ship has 18 decks, 15 of which are accessible to guests, and 2,244 total staterooms. AIDA Cruises AIDAnova is the first launched in the Excellence-class, which also has sister ship AIDAcosma.
One of the world’s biggest cruise ship, Symphony of the Seas®, the travel adventures are larger than life. From epic onboard thrills to revolutionary dining and entertainment, this ship will change how you vacation no matter what kind of experience you’re after. CruiseMapper's list of biggest cruise ships includes all vessels with gross tonnage/volume over 150,000 GT-tons. 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.
Other cruise lines surged ahead as travelers looked back at their vacation memories. No. 3 Regent Seven Seas moved up the list one spot, with a strong score above 92 points (out of 100). No. 6 Oceania Cruises also got a better score this year, rising two places, as numerous voters mentioned the high quality of the line's onboard cuisine. "In our experience with eight different cruise lines," said one well-traveled voter, "Oceania consistently has the best food." Currently a work in progress with plans for a maiden voyage in the summer of 2024, Royal Caribbean’s Utopia of the Sea is another of the company’s huge cruise ships.