Sea Monster Movies

Scientists pursuing the mysteries of the deep are threatened by a beautiful girl who seems to have returned from the dead and by a prehistoric sea...

A marine biologist and a government agent investigate mysterious deaths and rumors of a sea monster in a secluded ocean cove, and find themselves...

An eclectic group of characters set sail on Captain Lansen’s leaky cargo ship in an attempt to escape their various troubles. When a violent...

A nuclear leak creates a mutant Slithis sea monster, which terrorizes the variety of pets, winos, and hippies who hang around Venice, California.

A strange black spot approaches the coast, bringing death and destruction to a fishing village. In a desperate flight to escape the chaos, lonely...

Radioactive waste dumped off the coastline creates mutant monsters. The beasts attack slumber parties, beaches, tourists, and terrorize a waterfront...

A top secret drilling platform in the Gulf of Mexico raises a dormant alien creature from the depths. Once loose, the creature goes on a murderous...

Two strongmen set out to hunt down a murderous sea monster. Their ship is wrecked and they end up in the Holy Land where Hercules is assumed to be...

A biological experiment in Florida goes awry. The result: 8-foot long land crabs which roar loudly and kill everything in sight.

Lord Doom, evil master of Proyas, the Dark Planet, sends Kraa the Sea Monster to Earth as part of his plan to dominate the galaxy. To keep the...

A mysterious hypnotist reverts his beautiful assistant back into the form of a prehistoric sea monster that she was in a past life.

A Marine Biologist is assigned to investigate the mysterious deaths of some marine life in an inland salt water lake that has been attributed to a...

Teens on a camping trip find the old road to a boat ramp has been mysteriously removed. They trek through the woods until they find where the road...

A sea creature is terrorizing a small Gulf coast town. The creature is a mutation from the Deep Water Horizon's oil spill in the Gulf. But it's not...

A serpent, created by radioactivity, threatens a Spanish coastal town.

Haunted by a terrifying incident in his past, billionaire Bill Hansen seeks revenge by enlisting a team of mercenaries and a television personality...

Young men from a car repair shop in Loch Ness, northern Scotland, use a sea monster imitation to rescue castle residents from murder attacks. This...

Three gorgeous but deadly hired killers, Beretta, Blondie and Snowball, hole up in a small beachside community to keep a low profile. But this town...

Little coastal town is being terrorized by deadly Barracudas.

Two men encounter some Canadian mythological creatures in the woods.