Movies Like The Sea Serpent

If you liked The Sea Serpent (1985), a science fiction and horror movie directed by Amando de Ossorio, here are 20 movies with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
The Last House (2026)
★ 6.8/10Also horror and science fiction
A family suddenly sealed inside their home must work together to survive against dwindling resources and the ominous threat keeping them trapped.
2
Splinter (2008)
★ 6.2/10Also horror and science fiction
When their plans for a nature trip go awry, Polly and boyfriend Seth decide to check into a motel. On their way, they're carjacked and kidnapped by low-rent crooks Dennis and Lacey, who take the victims and their SUV…
3
Underwater (2020)
★ 6.3/10Also horror and science fiction
After an earthquake destroys their underwater station, six researchers must navigate two miles along the dangerous, unknown depths of the ocean floor to make it to safety in a race against time.
4
The Wailing (2024)
★ 5.9/10Also horror
Andrea, in search of her biological family, feels stalked by an invisible threat. Other women before them have suffered the same fate. Twenty years earlier, on the other side of the world, Camille, fascinated by Marie…
5
Sweetheart (2019)
★ 6.4/10Also horror
Jenn has washed ashore a small tropical island and it doesn’t take her long to realize she’s completely alone. She must spend her days not only surviving the elements, but must also fend off the malevolent force that…
6
The Mist (2007)
★ 7/10Also horror and science fiction
After a violent storm, a dense cloud of mist envelops a small Maine town, trapping David Drayton and his five-year-old son in a local grocery store with other local residents. They soon discover that the mist conceals…
7
Creature from the Black Lagoon (1954)
★ 6.8/10Also horror and science fiction
When scientists exploring the Amazon River stumble on a “missing link” connecting humans and fish, they plan to capture it for later study. But the Creature has plans of his own, and has set his sights on the lead…
8
Extinction (2015)
★ 6.4/10Also horror and science fiction
And suddenly, overnight, the world came to a halt. Two men, two survivors, one kid, and hatred that separates them. A place forgotten by everyone, including the creatures that inhabit the Earth... until now.
9
Die Alone (2024)
★ 6.5/10Also horror and science fiction
Lost in a world reclaimed by nature and overrun by mysterious creatures, Ethan, a young man with amnesia navigates the dangerous landscape in search of his lost love Emma. His journey takes an unexpected turn when he…
10
Alien: Romulus (2024)
★ 7.2/10Also horror and science fiction
While scavenging the deep ends of a derelict space station, a group of young space colonizers come face to face with the most terrifying life form in the universe.
11
Godzilla: King of the Monsters (2019)
★ 6.7/10Also science fiction
Follows the heroic efforts of the crypto-zoological agency Monarch as its members face off against a battery of god-sized monsters, including the mighty Godzilla, who collides with Mothra, Rodan, and his ultimate…
12
Nightbreed (1990)
★ 6.4/10Also horror
A troubled young man is drawn to a mythical place called Midian where a variety of friendly monsters are hiding from humanity. Meanwhile, a sadistic serial killer is looking for a patsy.
13
Spectral (2016)
★ 6.6/10Also science fiction
A special-ops team is dispatched to fight supernatural beings that have taken over a European city.
14
Blood and Snow (2023)
★ 6.2/10Also science fiction and horror
When researchers rescue a fellow scientist who survived a meteorite strike in the Arctic, they discover she may not be who they think she is. Is she some-how changed?
15
Books of Blood (2020)
★ 6.2/10Also horror and science fiction
A journey into uncharted and forbidden territory through three tales tangled in space and time.
16
The Blob (1988)
★ 6.9/10Also horror and science fiction
In Arborville, California, three high school students try to protect their hometown from a gelatinous alien life form that engulfs everything it touches.
17
Daylight's End (2016)
★ 5.9/10Also horror and science fiction
Years after a mysterious plague has devastated the planet and turned most of humanity into blood-hungry creatures, a rogue drifter on a vengeful hunt stumbles across a band of survivors in an abandoned police station…
18
Containment (2015)
★ 5.9/10Also horror and science fiction
Neighbors in a block wake one morning to find they have been sealed inside their apartments. Can they work together to find out why? Or will they destroy each other in their fight to escape?
19
The Bay (2012)
★ 5.8/10Also horror and science fiction
Chaos breaks out in a small Maryland town after an ecological disaster occurs.
20
The Boogeyman (2023)
★ 6.4/10Also horror
Still reeling from the tragic death of their mother, a teenage girl and her younger sister find themselves plagued by a sadistic presence in their house and struggle to get their grieving father to pay attention before…