Movies & Shows Like Underwater for Fans of Deep-Sea Horror

Description: A deep-sea diving team encounters mysterious and potentially hostile alien life forms while working on an underwater oil rig. The film explores themes of isolation, survival, and the unknown depths of the ocean.

Fact: The underwater scenes were filmed in a large abandoned nuclear reactor containment vessel filled with water. The film won the Academy Award for Best Visual Effects.

Description: A military underwater habitat is threatened by a prehistoric creature awakened during construction. The film focuses on the crew's desperate struggle for survival against an unknown aquatic predator.

Fact: This was the directorial debut of Sean S. Cunningham, best known for creating the 'Friday the 13th' franchise. The film used miniature effects for many of its underwater sequences.

Description: A group of deep-sea miners discover a sunken Soviet ship and unwittingly unleash a deadly genetic mutation. The film combines elements of horror and sci-fi in a claustrophobic underwater setting.

Fact: The creature effects were created by Stan Winston, who also worked on 'Aliens' and 'Predator'. The film was one of three underwater-themed horror movies released in

Description: A team of scientists investigates a mysterious spacecraft discovered deep on the ocean floor, encountering psychological horrors and reality-bending phenomena. The story explores human fears and the unknown in an isolated underwater environment.

Fact: Based on Michael Crichton's novel of the same name. The underwater sets were among the largest ever built at the time of production.

Description: A WWII submarine crew begins experiencing strange phenomena after rescuing survivors from a sunken ship. The film blends psychological horror with a claustrophobic underwater setting.

Fact: The screenplay was co-written by Darren Aronofsky. The submarine sets were built inside a massive water tank to create realistic underwater effects.

Description: A team of divers explores an unmapped cave system in Romania, encountering deadly creatures adapted to the extreme environment. The film combines elements of horror and adventure in an underwater cave setting.

Fact: The cave sets were built in a massive water tank in Romania. Some of the cave diving sequences were filmed in actual underwater caves in Mexico.

Description: A group of cave divers become trapped in an unexplored cave system during a severe storm and must find a way out before their oxygen runs out. The film focuses on survival in extreme underwater conditions.

Fact: Inspired by the real-life experiences of co-writer Andrew Wight. The film used actual cave divers as stunt performers for many of the underwater sequences.

Description: Two divers exploring a submerged house in a lake discover it's haunted by supernatural forces. The film combines underwater horror with supernatural elements in a unique setting.

Fact: The entire film was shot underwater in a specially constructed set in France. The directors used innovative techniques to create the illusion of a submerged house.

Description: Two sisters trapped in a shark cage at the bottom of the ocean must survive with dwindling oxygen and circling great white sharks. The film creates intense claustrophobia and fear of the deep ocean.

Fact: The film was originally intended to be released straight to DVD but was given a theatrical release due to positive test screenings. A sequel, '47 Meters Down: Uncaged', was released in

Description: A deep-sea rescue mission turns deadly when a team encounters a massive prehistoric shark thought to be extinct. The film combines action and horror elements in an underwater setting.

Fact: The megalodon in the film was designed to be about 75 feet long, making it significantly larger than a real great white shark. The movie is based on the 1997 novel 'Meg: A Novel of Deep Terror'.