Sea Monster Movies

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

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 cre...

Marine atomic tests cause changes in the ocean's ecosystem resulting in dangerous blobs of radiation and the resurrection of a dormant dinosaur which...

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 ram...

Little coastal town is being terrorized by deadly Barracudas.

Scientists surgically transform the Creature into an air-breather, but being able to live on land is not enough to make him comfortable with humans. E...

Dead bodies are being found in New York harbor. The police have no clues nor suspects until Nick and his colleague realize the killer is a giant octop...

With their father killed by a swarm of vampiric sea creatures, Bering Sea adventurers, Joe and Donna, team up with a marine biologist and her devoted...

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

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

After their prison ship sinks in the Caribbean, a group of prisoners and a doctor wash ashore on a seemingly deserted island. They soon discover a str...

When a mad scientist begins kidnapping wrestlers and extracting their spinal fluid to create a race of Gill Men, two cops call in Batwoman to investig...

James Murphey is a rugged cryptozoologist, who thirty years earlier, during a trip to Loch Ness, Scotland, had a fatal encounter with the fabled "Ness...

Giants Mollusks are released from the earth by an earthquake and start killing people.

This menacing monster yarn stars James Van Der Beek as government scientist Dan Leland, who's sent to investigate reported sightings of a giant squidl...

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 cre...

Navy Commander Alan Roberts is assigned to lead an expedition to Little America in Antarctica to investigate reports of a mysterious warm water inland...

The Sharkpack gets ready for Halloween with the spooky legend of the "Fearsome Fog" — and Sharkdog must save trick-or-treating from a slimy sea monste...

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 storm str...

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 Sam...