When I was a little boy about 8 I'm 31 now I watch this movie with this little boywho lives on this island.with his tribe.this little boy who rescued a sea turtle and would swim with him at the end of the movie the little boy turns in to a sea turtle too

The Bermuda Depths (http://en.wikipedia.org/wiki/The_Bermuda_Depths)?

The Silent One (http://www.nzvideos.org/silent.html)?

The Silent One (http://www.nzvideos.org/silent.html)?

That was it... thank u so much...