A 17th-century Caribbean port rumored to have frequented by pirates rises from the ocean floor, where it came to rest after an earthquake many years before. A scientist wants to study it, some thugs want the treasure alleged to be stored there, a bunch of mutated giant crabs living there attack them all.

Cast:James Warren, Lynne Roberts, Paul Cavanagh, House Peters Jr., Robert Bice, William Schallert,

Genre:Adventure, Crime, Science Fiction,

country:United States of America,

Production:American Pictures Company, RKO Radio Pictures,