Ocean/island horror

A civilian diving team is enlisted to search for a lost nuclear submarine and faces danger while encountering an alien aquatic species.

Perched on the hull of a wrecked Soviet freighter, a team of deep-sea miners led by head oceanographer Steven Beck comes face to face with a mutant creature that's the product of a failed genetic experiment.

A spaceship is discovered under three hundred years' worth of coral growth at the bottom of the ocean.

A group of heavily armed hijackers board a luxury ocean liner in the South Pacific Ocean to loot it, only to do battle with a series of large-sized, tentacled, man-eating sea creatures who had already invaded the ship.

Searching for a cure to Alzheimer's disease, a group of scientists on an isolated research facility become the prey, as a trio of intelligent sharks fight back.

Two sisters diving in a ruined underwater city quickly learn they've entered the territory of the deadliest shark species in the claustrophobic labyrinth of submerged caves.

A great white shark hunts the crew of a capsized sailboat along the Great Barrier Reef.

A fisherman and his crew are targeted by a killer whale seeking vengeance for the death of its mate.

A rescue mission to the bottom of the ocean is terrorized by a massive prehistoric shark.

A research team's journey into the depths of the ocean turns into chaos when a mining operation forces them into a battle for survival, facing off against Megalodons and relentless environmental marauders.

Two sisters vacationing in Mexico are trapped in a shark cage at the bottom of the ocean. With less than an hour of oxygen left and great white sharks circling nearby, they must fight to survive.

Police chief Brody must protect the citizens of Amity after a second monstrous shark begins terrorizing the waters.

A giant thirty-five-foot shark becomes trapped in a SeaWorld theme park and it's up to the sons of police chief Brody to rescue everyone.

Chief Brody's widow believes that her family is deliberately being targeted by another shark in search of revenge.

After the events at Lake Victoria, the pre-historic school of blood-thirsty piranhas make their way into a newly opened waterpark.

When a massive killer shark unleashes chaos on a beach community off Long Island, it's up to the local police chief, a marine biologist, and an old seafarer to hunt the beast down.

After her sister's murder, Nic, her younger sister and two friends seek solace through a Pacific island kayaking adventure. Hours into the trip the women are stalked by a shark and must band together, face their fears and save each other.

A mermaid is ripped from the Pacific, her tail is chopped off and she's thrown into a mental home where no one believes she is a mermaid.

Three friends filming an audition tape for an extreme reality-TV show find themselves stranded in shark-infested waters, turning their recording into a bloody diary of death. Do they have what it takes to survive the open water?

Three friends filming an audition tape for an extreme reality-TV show find themselves stranded in shark-infested waters, turning their recording into a bloody diary of death. Do they have what it takes to survive the open water?

A mere 200 yards from shore, surfer Nancy is attacked by a great white shark, with her short journey to safety becoming the ultimate contest of wills.

A salvage crew discovers a long-lost 1962 passenger ship floating lifeless in a remote region of the Bering Sea, and soon notices that its long-dead inhabitants may still be on board.

Five friends set sail and their yacht is overturned by a strange and sudden storm. A mysterious ship arrives to rescue them, and what happens next cannot be explained.

Local legend tells of a ship lured on to the rocks of Antonio Bay being enveloped by a supernatural cloud as it sank; the myth says that when this mysterious fog returns, the victims will rise up from the depths seeking vengeance.

Siren II, a submarine under the command of Capt. Phillips, ventures into the deep on a mission to recover the missing Siren I. Their quest is hindered when the submarine becomes entangled in a patch of toxic seaweed.