Even people that have never seen the movie can remember the scene of 007 driving his Lotus Esprit right of the pier and turing it into a submersible in the 1977 James Bond movie "The Spy Who Loved Me" !
(now I don't know well this paper version would really fare under water to be honest, but at least it won't cost you £616,000 ! ;o)
Download + build your own papercraft 007 Lotus Esprit submersible
(+lots more, by Paperdiorama.com):