Road to Singapore (1940)

Directed by: Victor Schertzinger

Cast: Bing Crosby, Bob Hope, Dorothy Lamour

 IMDb page about Road to Singapore

Studio(s): Paramount Studios - Universal Studios Hollywood

Possibly filmed at (what was to be called) Singapore Lake on the Universal Studios backlot (TO BE CONFIRMED). This body of water is now Jaws Lake. 
Was it named after this movie? Information coming soon!