38 Ocean Horror Films to Trigger Your Fears

In 1952, during a severe blizzard off Cape Cod, two oil tankers are destroyed. The Coast Guard launches a risky rescue operation in the aftermath.

A sudden storm sinks their ship, leaving four divers trapped in a submerged vessel. Their survival hangs in the balance.

This is the true story of Thor Heyerdahl's daring 1947 voyage across the Pacific Ocean on a balsa wood raft. He aimed to demonstrate that pre-Columbian South Americans could have settled in Polynesia.

Following a devastating earthquake that damages their underwater research station, six scientists face a desperate race against time. They must journey two miles across the treacherous, unexplored ocean floor to reach safety.

A zookeeper's son named Pi, from India, is shipwrecked and finds himself adrift in the Pacific Ocean with an unlikely group of animal companions: a hyena, a zebra, an orangutan, and a Bengal tiger.

Nancy is surfing on a remote beach when she unexpectedly enters a great white shark's hunting territory. Although she's only 200 yards from land, she must fight for her survival, relying on her quick thinking, resourcefulness, and strength.

Two sisters find themselves trapped beneath the fiberglass cover of a large public swimming pool. They must endure a freezing night, relying on each other for survival.

Two sisters vacation at a stunning, isolated diving spot. While diving, one sister is fatally injured when struck by a rock and becomes trapped 28 meters underwater. Facing dwindling oxygen and freezing temperatures, the other sister must struggle to save…

Three unsettling stories unfold, all inspired by a young boy's favorite comic book. First, a wooden Native American spirit seeks revenge for old injustices. Then, a monstrous blob hides beneath a peaceful lake, unleashing aquatic terror. Finally, an immortal hitchhiker…

A skilled crew aboard the experimental "Siren II" submersible journeys into the ocean depths to investigate the disappearance of a previous vessel. Navigating a dangerous submarine rift, they discover strange and unsettling phenomena that challenge their understanding of the deep…

A team of deep-sea miners discovers a forgotten Soviet wreck on the ocean floor. They bring a mysterious cargo back to their submarine base, unaware it contains genetically mutated creatures awakened by the deep-sea pressure. The crew is then hunted…

Passengers on a luxury ocean liner struggle to survive after the ship capsizes. People from all backgrounds must overcome their differences and work together to endure the dangerous situation as the vessel sinks. They face perilous waters, clinging to debris…

Scientists exploring the Pacific Ocean discover an ancient spacecraft of possible extraterrestrial origin, estimated to be three centuries old. A team of experts is sent to the underwater Habitat, a research facility, to study it. As they investigate the artifact,…

While sailing alone in the Indian Ocean, an experienced sailor discovers his ship is leaking after hitting a container. His radio and navigation are broken, and he unknowingly sails into a severe storm, narrowly surviving. He hopes ocean currents will…

During World War II, the submarine USS Tiger Shark is on a routine rescue mission in the dark, silent sea. However, the shell-shocked crew, confined within the ship's tight spaces, begins to experience terrifying sensory delusions, mental distortions, and overwhelming…

During a Mexican vacation, two sisters find themselves trapped in a shark observation cage deep underwater. With their oxygen supply dwindling and great white sharks circling above, they have less than an hour to find a way back to the…

Mia, a young pregnant woman, flees her war-torn country by hiding in a shipping container on a cargo vessel. Following a severe storm, Mia gives birth while adrift at sea and must struggle to survive.

A young girl secretly joins a renowned sea monster hunter on his ship, and together they embark on a grand voyage into unknown territories, achieving a historic feat.

Two crew members awaken aboard a derelict spacecraft, suffering from amnesia. They have no memory of their identities, the duration of their sleep, or their purpose. As they explore, they realize they are not alone, and the truth of their…

A submarine captain with a disregard for authority assembles an unlikely crew for a quest to find a legendary treasure hidden deep in the Black Sea. Confined within their vessel, the crew's ambition and growing desperation fracture their unity. As…

Numb3rs explores how an FBI agent and his mathematician brother team up to solve crimes in Los Angeles. Inspired by real cases, the series uses advanced mathematics to approach investigations in a new way. The agent relies on his brother's…

A team of oil rig workers is recruited for a dangerous mission: to find survivors from a sunken nuclear submarine. As one crew member descends 25,000 feet, he discovers the operation is far more complex than it seems. He confronts…

This is the true story of twelve boys and their soccer coach who become trapped in the Tham Luang cave in Thailand after a sudden rainstorm. They find themselves isolated deep inside the mountain, surrounded by flooded tunnels. A team…

Two YouTubers who film underwater exploration videos find a submerged house in a remote French lake. What starts as an exciting discovery quickly becomes terrifying when they learn the house was the site of horrific crimes. Trapped and running out…

Every year, the quiet town of Lake Victoria, Arizona swells with visitors, growing from 5,000 to 50,000 for Spring Break. This year, however, a sudden earthquake triggers an underwater chasm, unleashing a massive swarm of ancient piranhas, awakened after millennia…

Set in early 1980s Norway, during the start of the Oil Boom, *Pioneer* follows a professional diver named Petter. Massive oil and gas deposits are discovered in the North Sea, and the government plans to transport the oil via a…

In the winter of 1820, the New England whaling ship Essex encounters a whale of unprecedented size and apparent malice. The whale seems driven by a vengeful intelligence, attacking the ship with relentless force.

At the underwater research facility Aquatica, scientists genetically modify sharks, hoping to find a cure for Alzheimer's. The experiments unexpectedly make the sharks smarter, faster, and more dangerous. A powerful storm traps the researchers, forcing them to navigate the facility’s…

Two divers find themselves adrift in the open ocean, with no way back to shore. Surrounded by endless water, their only hope lies in what lies beneath the surface.

A team of biologists in Romania discovers a vast, unexplored cave system, believing it harbors a unique ecosystem and a new species. They enlist the world's top American underwater cave explorers to investigate. As they venture deeper, a rockslide traps…

In October 1991, a powerful storm formed in the North Atlantic due to unusual weather patterns. The sword-fishing boat Andrea Gail was caught in the storm.

Experienced diver Frank McGuire has been exploring the Esa-ala Caves in the South Pacific for months. When a sudden flash flood blocks their exit, Frank and his team—including his 17-year-old son Josh and financier Carl Hurley—must change their plans. Facing…

A team of scientists and engineers at a deep-sea research facility are conducting nuclear technology research when they accidentally awaken an ancient organism. The creature, dormant for thousands of years, now threatens the base, forcing the crew to fight for…

A deep sea submersible pilot returning to the Mariana Trench confronts old anxieties, inadvertently awakening a creature thought to be extinct: a seventy-foot relative of the Great White Shark.

Four teenage girls embark on a diving trip to explore a submerged Mayan city. Their excitement quickly turns to fear when they realize the ruins are home to dangerous great white sharks. As their air runs low, the friends must…

While sailing, Tami Oldham and Richard Sharp are caught in a devastating hurricane. When the storm passes, Tami finds Richard seriously injured and their boat destroyed. With no chance of rescue, Tami must find the will to survive and protect…

A weekend cruise aboard a luxury party yacht turns disastrous for a group of old friends. Stranded far from land, their celebratory reunion quickly becomes a desperate struggle to survive.

On the Great Barrier Reef, a capsized sailboat leaves its crew vulnerable to a great white shark. The shark begins hunting them.