Port Sinister

Port Sinister (1953) is a adventure, crime, science fiction directed by Harold Daniels rated 6.0/10.

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.