Liberty of the Seas is a Royal Caribbean International Freedom-class cruise ship which entered regular service in May 2007. It was initially announced that she would be called Endeavour of the Seas; however, this name was later changed.[4] The 15-deck ship accommodates 3,634 passengers served by 1,360 crew. She was built in 18 months at the Aker Finnyards Turku Shipyard, Finland, where her sister ship, MS Freedom of the Seas, was also built. Initially built at, she joined her sister ship, Freedom of the Seas, as the largest cruise ships and passenger vessels then ever built. She is 1111.9 ft long, 184 ft wide, and cruises at 21.6 kn.
Liberty of the Seas is the second of the Freedom-class vessels. A third ship, Independence of the Seas, was delivered in April 2008. In 2009, the first in a new Oasis-class cruise ship of ships measuring 220,000 gross tons displaced the Freedom class as the world's largest passenger ships.