Selkie

About Selkie on 123movies: released in 2000, directed by Donald Crombie, running 88 minutes, produced in Australia. Teenager Jamie moves with his mother, sister and grandfather to an island off the South Australian coast where mum has a job running a marine research station. To his discomfort, Jamie discovers he's a "selkie" - half human, half seal - that explains the webbing on his hands and also why he changes completely into a seal as soon as he hits water.