The Secret of the Purple Reef (1960) is a Drama, Crime, Adventure film that follows when a man mysteriously vanishes on his ship in the Caribbean, his two brothers journey there to investigate his disappearance. The Secret of the Purple Reef is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 4.0 out of 10 from 3 votes. Fans of drama movies may also want to explore similar titles below.