Isle of Destiny

Isle of Destiny is a 1940 American South Seas comedy adventure film directed by Elmer Clifton. The film was the only feature film filmed in the Cosmocolor process the 1938 A Western Welcome being a short subject with prints struck by Cinecolor. The film was shot on Santa Catalina Island, California and produced by Franklyn Warner originally for Grand National Pictures in 1939. However, by the time of the films production, Grand National had gone bankrupt, and so RKO bought the distribution rights to the film.

Virginias brother, Lt. George Allerton, is stationed with the U.S. Marine Corps on the island of Palo Pango nearby when he hears of his sisters distress. Virginia and Max head with the plane to the island to take refuge from the storm.Upon their arrival at the island, Virginia and Max are welcomed by two U.S. Marines Stripes Thornton and Milly Barnes. Also present is a man named Barton, who runs the trading post and is in the business of smuggling guns. He invites Virginia to stay at his house for the night, and also challenges her to a flying race to Guam, betting 5,000 that he will win. Both Marines are soon smitten by Virginia, and she becomes attracted to Stripes. ........

Source: Wikipedia