The large green ship is a vehicle that only appears in the episode "Nautical Novice." It can be found in the Bikini Bottom Boat Museum.
It is a green ship with eight masts and has a crow's nest. It also has a captain's brig.
Role in episode
gives a tour to the students at the Bikini Bottom Boat Museum and she tells them about it before the students get on top of it. SpongeBob
looks through a telescope on it.