well, I'll give some links to ships i think are interesting
1
http://i.imgur.com/qwCIT.jpg
http://media.pcgamer.com/files/2012/04/Skyrim-Mod-Collection-Asteria.jpg (without the steampunk and flying capability)
2
http://www.romanseas.com/images/roman_merc_smlg.jpg 
3
http://www.deviantart.com/art/The-Pirate-Band-Music-Ship-196365535
http://soulfinder90.deviantart.com/art/The-Pirate-Band-Ship-Interior-Sketches-313975655
http://soulfinder90.deviantart.com/art/Mandolin-Music-Ship-02-259643802