The ''Oasis'' class is a class of 5

Royal Caribbean International Royal Caribbean International (RCI), also formerly known as Royal Caribbean Cruise Line (RCCL), is a cruise line brand founded in 1968 in Norway and organised as a wholly owned subsidiary of Royal Caribbean Group since 1997. Based in Miami, Flor ...

cruise ship Cruise ships are large passenger ships used mainly for vacationing. Unlike ocean liners, which are used for transport, cruise ships typically embark on round-trip voyages to various ports-of-call, where passengers may go on Tourism, tours know ...

s. The first two ships in the class, and , were delivered respectively in 2009 and 2010 by

STX Europe STX Europe AS, formerly Aker Yards ASA, was until 2012 a subsidiary of the South Korean STX Offshore & Shipbuilding. With headquarters in Oslo, Norway, STX Europe operated 15 shipyards in Brazil, Finland, France, Norway, Romania and Vietnam. T ...

Turku Shipyard, Finland. A third ''Oasis''-class vessel, , was delivered in 2016 built by STX France, and a fourth vessel, , was completed in March 2018. As of March 2022, the fifth ''Oasis''-class ship, '' Wonder of the Seas'', is currently in service. A sixth ship, to be named ''

Utopia of the Seas ''Utopia of the Seas'' is a cruise ship under construction for Royal Caribbean International. She will be the sixth ship in the Oasis Class The ''Oasis'' class is a class of 5 Royal Caribbean International cruise ships. The first two ships i ...

'' has also been ordered by the company. The first two ships in the class, ''Oasis of the Seas'' and ''Allure of the Seas'', are slightly exceeded in size by the third ship, ''Harmony of the Seas'', while ''Symphony of the Seas'' is the second largest cruise ship in the world. ''Wonder of the Seas'', which was completed in 2022, is larger than ''Symphony of the Seas''. As of 2022, all ships of the Oasis class rank as the world's largest passenger ships.

Ship features

The ''Oasis''-class ships surpassed the earlier ships as the world's largest and longest passenger ships. ''Oasis of the Seas'' is also wider, and with a

gross tonnage Gross tonnage (GT, G.T. or gt) is a nonlinear measure of a ship's overall internal volume. Gross tonnage is different from gross register tonnage. Neither gross tonnage nor gross register tonnage should be confused with measures of mass or weig ...

of 225,282, is around 7