From the Department of Amazing Stories:
This has always been a fantasy of mine; to live on a deserted island for a couple months to a year. Eating cocnuts and spear fishing. I think I watched too many episodes of Gilligan's Island growing up.
But it really happened to a group of boys in who were stranded on an island in the pacific for over a year. And no, they didn't kill each other and worship a pig head.
Read this short article about it here: LINK