The vast, mysterious expanse of the sea has always been a fertile ground for horror stories, where the unknown depths can hide unimaginable terrors. This curated list of 10 horror movies set at sea offers a thrilling journey into the heart of darkness, where the ocean's vastness becomes a playground for fear. From ghostly apparitions to monstrous creatures, these films explore the primal fear of what lies beneath the waves, making them a must-watch for any horror enthusiast looking for a unique twist on the genre.

The Fog (1980)
Description: A small coastal town is terrorized by a mysterious fog that brings with it vengeful spirits from a shipwreck. John Carpenter's atmospheric horror uses the sea as a conduit for the supernatural.
Fact: The film was remade in 2005, but the original remains a classic for its eerie atmosphere and Carpenter's signature suspense.


DeepStar Six (1989)
Description: Set in an underwater military base, this film combines the claustrophobia of being underwater with the terror of an unknown creature lurking in the depths, making it a unique entry in sea horror.
Fact: The film was released in the same year as "The Abyss" and "Leviathan," creating a sort of underwater horror trilogy. It was also one of the first films to use CGI for underwater scenes.


Leviathan (1989)
Description: An underwater mining crew encounters a mutated creature after discovering an abandoned Russian vessel, leading to a battle for survival in the deep sea.
Fact: The film shares similarities with "The Abyss" and "DeepStar Six," but it stands out for its creature design and the claustrophobic setting of the underwater mining station.


Ghost Ship (2002)
Description: A salvage crew discovers a long-lost passenger ship, only to find it haunted by the spirits of its passengers, who met a gruesome fate. The sea becomes a stage for ghostly revenge.
Fact: The film's opening scene, involving a cable slicing through a dance floor, became infamous for its graphic depiction of violence.


Open Water (2003)
Description: Based on a true story, this film follows a couple left behind by their scuba diving group, facing the terror of being stranded in the open sea, surrounded by sharks.
Fact: The film was shot with real sharks in the Bahamas, adding to its realism and tension.


The Reef (2010)
Description: After their boat capsizes, a group of friends must swim to safety, but they're not alone in the water. This film captures the primal fear of being hunted by a great white shark.
Fact: The film was inspired by the real-life incident of Ray Boundy, who survived a shark attack in


The Shallows (2016)
Description: A surfer is stranded on a rock just 200 yards from shore, with a great white shark circling her. The film's setting in the shallow waters adds a unique twist to the survival horror genre.
Fact: Blake Lively performed most of her own stunts, including the surfing scenes, making her performance even more impressive.


Underwater (2020)
Description: A crew of underwater researchers must navigate the ocean floor to escape after an earthquake destroys their drilling station, only to encounter a terrifying creature from the deep.
Fact: The film was originally conceived as a modern take on "The Abyss," focusing on the horror elements of being trapped underwater with an unknown threat.


The Ghost Ship (1943)
Description: This classic film follows the eerie events aboard a freighter where the crew starts to mysteriously disappear. The sea's isolation amplifies the horror as the remaining sailors confront a sinister force.
Fact: The film was directed by Mark Robson, who later became known for his work in horror and noir films. It was also one of the first films to explore the psychological horror of isolation at sea.


Below (2002)
Description: A World War II submarine crew faces not only the enemy but also supernatural occurrences, blending war drama with psychological horror in the confined space of a submarine.
Fact: The film was directed by David Twohy, who also directed "The Arrival" and "Pitch Black." It was shot entirely on a soundstage, creating an authentic submarine atmosphere.
