I need to know the name of this old boat movie?

ok this movie is not Titanic OR The Poseidon Adventure or Poseidon the movie is about a boat that gets flipped upside down and there is people on board but no water enters the boat and the people for many years live on the boat growing plants etc etc. until one day a person dives underwater and sees this and... show more ok this movie is not Titanic OR The Poseidon Adventure or Poseidon

the movie is about a boat that gets flipped upside down and there is people on board but no water enters the boat and the people for many years live on the boat growing plants etc etc. until one day a person dives underwater and sees this and he/she is amazed and could not believe their eyes
2 answers 2