Largest Cruise Ship In The World 2025 Price. The largest cruise ship in the world, icon of the seas, has completed its first ocean trip in advance of its eagerly awaited 2025 launch. The icon of the seas—what will be the world’s largest cruise ship to date with 20 decks, seven pools and a waterpark—is preparing for more trial runs after passing its.
Here’s what it costs, and other important details to know. Royal caribbean’s icon of the seas is the world’s largest cruise ship.