A group of young adults are trapped on a desert island, only to find later that the water is inhabited by a violent form of flesh eating organisms. Stars Martin Kosleck, Byron Sanders and Barbara Wilkin. Also with Rita Morley, Ray Tudor and Christopher Drake.
NOTE: This print contains all the blood/gore and ending color sequence, which is usually cut from most other versions.
TRIVIA: While filming on location at Montauk, New York, a real hurricane destroyed the sets and equipment. Production was delayed for a year and the cost to complete the film rose from $60,000 to $105,000.
According to writer/producer Arnold Drake, Terry Curtis, wife of director Jack Curtis, won $72,000 on the television quiz show High Low. Some of the money he won was used to finish this film.