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Island of the Fishmen
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You can watch Island of the Fishmen (1979) for free on Plex.
After their prison ship sinks in the Caribbean, a group of prisoners and a doctor wash ashore on a seemingly deserted island. They soon discover a strange couple, who invite them to stay at their house. While the prisoners plan an escape, the doctor does some investigating, and soon finds out just what the pair are really doing, and why the prisoners keep disappearing mysteriously.
Trailer
Director
Sergio Martino
Cast
Barbara Bach, Claudio Cassinelli, Richard Johnson, Beryl Cunningham, Joseph Cotten, Franco Javarone, Roberto Posse, Giuseppe Castellano, Franco Mazzieri, Cameron Mitchell
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Island of the Fishmen
You can watch Island of the Fishmen (1979) for free on Plex.
IMDb
5.6/10
RT Critics
60%
Director
Sergio Martino
Cast
Barbara Bach, Claudio Cassinelli, Richard Johnson, Beryl Cunningham, Joseph Cotten, Franco Javarone, Roberto Posse, Giuseppe Castellano, Franco Mazzieri, Cameron Mitchell
5 options ranked by value · 🇺🇸 United States
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Watch Island of the Fishmen for free on Plex. Watch Island of the Fishmen for free on Plex Channel. Watch Island of the Fishmen for free on Fawesome. Island of the Fishmen is streaming on FlixFling. Island of the Fishmen is streaming on Shout! Factory Amazon Channel. Availability last verified April 13, 2026.