The largest cruise liners in service as of 2015 are Royal Caribbean's two 225,282-ton ships Allure of the Seas and Oasis of the Seas. Norwegian Cruise Line's 155,873-ton Norwegian Epic is the third-largest. Royal Caribbean launches the world's largest cruise ship, the Harmony of the Seas, in 2016.Continue Reading
Royal Caribbean's cruise ship Allure of the Seas, which holds up to 6,318 passengers and 2,384 crew, has seven different neighborhoods, including a Central Park, and 25 different dining areas. The Oasis of the Seas, which carries up to 6,360 guests, has a similar layout to its sister ship and includes four pools. The Harmony of the Seas weighs 227,000 tons and carries 6,360 passengers. All three ships measure 1,187 feet in length.
Norwegian Cruise Line's Norwegian Epic, which weighs 155,873 tons and measures 1,081 feet in length, carries 4,100 passengers and 1,753 crew.Learn more about Geography