An old lighthouse keeper who lives with his daughter secretly keeps a prehistoric fish-man by feeding it scraps and fish. One day he misses the feeding and all hell breaks loose.
The Monster of Piedras Blancas is a 1959 American horror monster film. It was produced by Jack Kevan, directed by Irvin Berwick, and stars Jeanne Carmen, Les Tremayne, John Harmon, Don Sullivan, Forrest Lewis, and Pete Dunn. The film was released by Filmservice Distributors Corporation as a double feature with Okefenokee.