World'S Largest Cruise Ship 2024. Royal caribbean's icon of the seas is the world's largest cruise ship, featuring 20 decks and six water slides. You'll be able to see all the public spaces onboard, restaurants, and fun things to do before.

The world’s largest cruise ship has set sail from miami, florida, on its maiden voyage. The biggest thing to ever hit cruising is coming in january 2024, when royal caribbean’s icon of the seas—which will be the largest cruise ship in the world—will debut to passengers for the.