What is the biggest cruise ship Royal Caribbean has?

Royal Caribbean's Icon of the Seas, the world's biggest cruise ship, has completed its first set of sea trials and is joining the fleet in 2024. What is the busiest airport in the US? Expect long lines here.



As of March 2026, the title of the biggest cruise ship in the Royal Caribbean fleet—and the entire world—is held by Icon of the Seas (and its sister ship, Star of the Seas, which joined the fleet recently). These "Icon-class" vessels are massive engineering marvels, weighing in at approximately 250,800 gross tons. They are roughly 1,198 feet long and can accommodate up to 7,600 passengers at maximum capacity, plus a crew of over 2,300. These ships are significantly larger than the previous record-holding "Oasis-class" ships like Wonder of the Seas or Utopia of the Seas. The Icon-class introduces groundbreaking features such as "Category 6," the largest waterpark at sea, and the "AquaDome," a massive glass structure at the front of the ship for shows and dining. They are also Royal Caribbean's first ships powered by Liquefied Natural Gas (LNG), reflecting a shift toward more sustainable maritime technology. Traveling on these behemoths is like visiting a floating city, complete with eight distinct "neighborhoods" designed to cater to families, thrill-seekers, and luxury travelers alike.

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The newest Royal Caribbean cruise ship is Wonder of the Seas. As noted above, it debuted in March 2022. Measuring 235,600 gross tons, it's the biggest cruise ship ever built. It's also loaded with more restaurants, bars, showrooms and deck-top attractions than you'll find on any other ship at sea.

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Later, in May 2022, Royal Caribbean confirmed that Icon of the Seas would be bigger than the Oasis class.

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At 1,198 feet long and a gross tonnage of 250,800, it is hard to miss. The Royal Caribbean cruise ship will have 20 decks packed with more than 20 bars and restaurants, seven pools, nine whirlpools, and six water slides, as well as mini golf, rock climbing and an arcade.

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Here, every Royal Caribbean ship currently in operation is ranked from biggest to smallest.
  • Wonder of the Seas. MICHEL VERDURE STUDIO/ROYAL CARIBBEAN. ...
  • Symphony of the Seas. ROYAL CARIBBEAN. ...
  • Harmony of the Seas. MICHEL VERDURE/ROYAL CARIBBEAN. ...
  • Oasis of the Seas. ...
  • Allure of the Seas. ...
  • Spectrum of the Seas. ...
  • 7 (tied). ...
  • 7 (tied).


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The best time of year to book a cruise is often January through March. During this period — also known as wave season — industry-wide sales occur and the price of that cruise you've been dreaming of may drop significantly.

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Six months before its maiden voyage, Royal Caribbean's massive new ship, the Icon of the Seas, is already generating an incredible response – and when you take a look at the pictures, that's absolutely zero surprise. The ship is reportedly five times bigger than the Titanic, boasting 20 decks.

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According to Royal Caribbean, when Icon of the Seas sets sail on Jan. 27, 2024, it will become the largest cruise ship in the world.

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Both companies are market leaders in terms of fleet sizes. That said, Royal Caribbean has more ships and they're often larger, which means additional dining, activities and lodging options for passengers.

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Best Time to Cruise Europe: April - Mid-June and September - October. Tourists flock to Europe in the summer, but the best time for a European cruise is in the late spring and early fall. Temperatures are more pleasant and the crowds of tourists tend to much smaller than the peak summer months.

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As of January 2022, the largest cruise ship, Wonder of the Seas, has a gross tonnage of 236,857, is 362 metres (1,188 ft) long, 64 metres (210 ft) wide, and holds up to 6,988 passengers.

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Berths: 5,610 The first ship in Royal Caribbean's next class of cruise ship, the Icon Class, Icon of the Seas is set to become the world's largest cruise ship by gross tonnage, surpassing the line's Wonder of the Seas.

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