- HD 1080
- Runtime: 102m.
- Status: Released
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- Languages: en
- Country: United States of America
- Director: Robert D. Webb
- Stars: Robert Wagner, Terry Moore, Gilbert Roland, J. Carrol Naish, Richard Boone
- keywords: florida, reef, sponge divers
- Production_studio: 20th Century Fox
- Slogan: You see it without special glasses !
- providers: Amazon Prime Video, fuboTV, Epix Amazon Channel, MGM Plus Roku Premium Channel, MGM Plus, IndieFlix, FilmBox+, Amazon Prime Video with Ads
- The Beneath the 12-Mile Reef is featured in the top rankings of 1953
- #22 in Top Adventure Movies of 1953
- #85 in Top Drama Movies of 1953
Mike and Tony Petrakis are a Greek father and son team who dive for sponges off the coast of Florida. After they are robbed by crooks, Arnold and the Rhys brothers, Mike decides to take his men to the dangerous 12-mile reef to dive for more sponges. Mike suffers a fatal accident when he falls from the reef leaving Tony to carry on the business. But now he has a companion, Gwyneth Rhys.