Blue Island (film)
Blue Island Italian title Due gocce dacqua salata is a 1982 film directed by Luigi Russo going under the pseudonym John Wilder and Enzo Doria, who also cowrote the screenplay with Dardano Sacchetti. Filmed in the Seychelles, it stars Fabio Meyer, Mario Pedone and Sabrina Siani. Like the film Paradise of the same year, it was inspired by the success of the 1980 release The Blue Lagoon.
Source: Wikipedia