World'S Biggest Cruise Ship 2024 List. That’s certainly been the mantra for miami based cruise line royal caribbean, who just announced their largest ship icon of the seas will officially enter service in 2024. Royal caribbean's oasis class was created with bold imagination and innovation in mind.

In 2024, the largest cruise ships in the world are marvels of engineering, each offering a unique experience. The world’s largest ship set out on its first ocean cruise in june 2023.