If you loved the claustrophobic tension and deep-sea horror of 'Underwater' (2020), you're in for a treat. This article explores 10 gripping movies and shows that deliver similar thrills, from underwater terror to survival against monstrous threats. Whether you're a fan of sci-fi horror or intense survival dramas, these picks will keep you on the edge of your seat.

The Abyss (1989)
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 an abandoned nuclear reactor to create the necessary pressure conditions. The film won an Academy Award for Best Visual Effects.


DeepStar Six (1989)
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 in an isolated and hostile environment.
Fact: This was one of three underwater horror films released in 1989, alongside 'Leviathan' and 'The Abyss.' The creature was designed to be more animalistic than other movie monsters of the time.


Leviathan (1989)
Description: A group of deep-sea miners discover a sunken Soviet ship and unwittingly unleash a deadly, genetically mutated creature. The film combines elements of horror and sci-fi in a claustrophobic underwater setting.
Fact: The creature effects were designed by Stan Winston, who also worked on 'Aliens' and 'Predator.' The film was one of several underwater-themed horror movies released in


Sphere (1998)
Description: A team of scientists investigates a mysterious spacecraft discovered deep in the ocean, only to face psychological and physical horrors as they uncover its secrets. The film blends sci-fi and psychological thriller elements in an underwater setting.
Fact: Based on the novel by Michael Crichton. The underwater scenes were filmed in a giant water tank originally built for 'Titanic.'


The Cave (2005)
Description: A team of divers explores an uncharted cave system, only to encounter deadly creatures adapted to the extreme environment. The film combines elements of horror and adventure in a submerged, labyrinthine setting.
Fact: The cave sets were built in a large water tank in Romania. The creatures were designed to be a cross between bats and fish, adapted to their dark, watery habitat.


The Descent (2005)
Description: A group of women on a caving expedition becomes trapped underground and must fight for survival against monstrous creatures. The film emphasizes claustrophobia, isolation, and the terror of the unknown.
Fact: The film was shot in a mix of real caves and studio sets to create its oppressive atmosphere. The creatures, called 'Crawlers,' were inspired by troglodytes—cave-dwelling humanoids.


Sanctum (2011)
Description: A group of cave divers becomes trapped in an underwater cave system during a storm and must navigate their way out while facing dwindling supplies and rising water levels. The film focuses on survival and the dangers of cave diving.
Fact: Produced by James Cameron, the film is loosely based on a real-life cave diving expedition. Many of the underwater scenes were shot in actual caves to enhance realism.


Pandorum (2009)
Description: Two crew members awaken on a seemingly abandoned spacecraft with no memory of their mission, only to discover they are not alone. The film blends sci-fi and horror in a confined, dark environment reminiscent of deep-sea settings.
Fact: The film's title refers to a fictional psychological disorder caused by deep-space travel. The creatures in the film were originally humans who mutated due to the ship's failing life-support systems.


47 Meters Down (2017)
Description: Two sisters trapped in a shark cage at the bottom of the ocean must find a way to escape before their oxygen runs out or they become prey. The film emphasizes claustrophobia and the fear of the deep sea.
Fact: The film was originally intended to be released directly to DVD but was given a theatrical release due to its strong test screenings. A sequel, '47 Meters Down: Uncaged,' was released in


The Meg (2018)
Description: A deep-sea rescue mission turns into a fight for survival when a massive prehistoric shark, thought to be extinct, attacks the crew. The film combines action and horror with a focus on underwater terror.
Fact: The Megalodon in the film is based on real prehistoric shark species. The movie was a global box office hit, grossing over $500 million worldwide.
