Biggest Cruise Ship In The World 2024 Price. Icon of the seas will debut in early 2024 as the world’s largest cruise ship at more than 250,000 gross tons. Royal caribbean's icon of the seas is the world's largest cruise ship.
The massive ship will be able to hold up to 7,600 passengers — also setting a record with the number of passengers it can accommodate on board. Next up is the colossal new ship’s first voyage, slated to depart on january 27, 2024.