September Storm is a 1960 US adventure drama film. It features Joanne Dru, Mark Stevens, Robert Strauss, and Asher Dann.
American fashion model Anne Traymore, swimming off the isle of Majorca, loses a bracelet, which the handsome Manuel del Rio Montoya returns to her. She believes he owns a beautiful yacht called The Swan, but he merely works on it for the wealthy Rene LeClerc. Manuel is subsequently convinced to embark on a search for the sunken treasure.