Sea Monster Movies

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...

In a tributary of the Amazon, a monster – half-man, half-fish – is captured and placed in a reservoir in a Florida national park to be...

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

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

Present-day survivors of a sunken naval vessel capture a Russian sub, only to find themselves stranded on an island filled with deadly, prehistoric...

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...

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...

When a daring mission leads a deep sea submarine team into a mysterious opening on the ocean floor, they uncover a lost underwater world and awaken...

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

A group of Viking women build a ship and set off across the sea to locate their missing menfolk, only to fall into the clutches of the barbarian...

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

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...

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

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....

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...

Ashley sees strange things and receives a mysterious message that leads her to enter another world of both wonder and horror. She must find her way...

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 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...

Little coastal town is being terrorized by deadly Barracudas.