According to the ship's website, the SS Galaxy - The Queen of the Sagittarian Sea - was quite the attraction in her heyday: "With over 650 meters in length, 110 meters beam, and 8 decks of living and leisure space, the SS Galaxy is the largest single-build and the most exciting attraction in Second Life today." An impressive build that spans a full three sims, the Galaxy was created in 2007 and once featured a full staff, over 100 rooms available for rental, a shopping mall, a variety of activities and regularly scheduled events, and even "cruises". (While the ship does not move, the staff would set up monthly "Port of Call" excursions via teleport exchanges.)
SS Galaxy Blog http://ssgalaxynews.blogspot.co.uk/
SS Galaxy flickr group https://www.flickr.com/groups/ssgalaxy/pool/