The Secret of the Purple Reef
- taona: 1960
- Firenena: United States of America
- Genre: Drama, Crime, Adventure
- Studio: Associated Producers (API)
- Keyword: based on novel or book, deadly, deep
- tale: William Witney
- Cast: Jeff Richards, Richard Chamberlain, Margia Dean, Peter Falk, Terence de Marney, Robert Earl Jones