 The port also serves as a passenger cruise ship terminal for cruise ships operating in the Caribbean . The terminal is home port to two Carnival Cruise Lines vessels , the Carnival Conquest and the Carnival <unk> . In November 2011 the company made Galveston home port to its 3 @,@ 960 @-@ passenger mega @-@ ships Carnival Magic and Carnival Triumph , as well . Carnival Magic sails a seven @-@ day Caribbean cruise from Galveston , and it is the largest cruise ship based at the Port year @-@ round . Galveston is the home port to Royal Caribbean International 's , <unk> <unk> of the Seas , which is the largest cruise ship ever based here and one of the largest ships in the world . In September 2012 Disney Cruise Line 's Disney Magic also became based in Galveston , offering <unk> , <unk> , <unk> , and eight @-@ day cruises to the Caribbean and the Bahamas . 
