Largest Royal Caribbean Ship 2024. 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. Icon of the seas will debut in early 2024 as the world’s largest cruise ship at more than 250,000 gross tons.

At maximum capacity, it carries nearly 10,000. Miami (ap) — the world’s largest cruise ship — the size of almost four city blocks — is set to begin its maiden voyage saturday as it leaves from the port of miami.