Movies like Only An Ocean (2021)
The best movies like Only An Ocean (2021) are Deep Blue (2003), The Meg (2018) and A Plastic Ocean (2016). If Only An Ocean hooked you, these 20 similar films are what to watch next, and every pick says why it matches.
Quick picks
- Highest ratedMy Octopus Teacher (2020)7.9/10 from 1,114 votes
- NewestMoana (2026)Released 2026
Deep Blue (2003)
Deep Blue is a major documentary feature film shot by the BBC Natural History Unit. An epic cinematic rollercoaster ride for all ages, Deep Blue uses amazing footage to tell us the story of our oceans and the life they support.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisThe Meg (2018)
A deep sea submersible pilot revisits his past fears in the Mariana Trench, and accidentally unleashes the seventy foot ancestor of the Great White Shark believed to be extinct.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisA Plastic Ocean (2016)
A documentary focused on plastic pollution in the world's oceans.
Why it matches: Recommended by TMDB viewers
Worth the HypeMovies like thisWaterworld (1995)
In a futuristic world where the polar ice caps have melted and made Earth a liquid planet, a beautiful barmaid rescues a mutant seafarer from a floating island prison. They escape, along with her young charge, Enola, and sail off aboard his ship. But the trio soon becomes the target of a menacing pirate who covets the map to 'Dryland'—which is tattooed on Enola's back.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisA Turtle's Tale: Sammy's Adventures (2010)
Born on a Baja, California beach in 1959, new hatchling Sammy races across the beach to the ocean while avoiding being caught by seagulls and crabs. Thus begins Sammy's incredible fifty-year ocean journey where he overcomes obstacles, both natural and man-made, while trying to fulfill his dream of travelling around the world. Along the way he meets his best friend, a fellow turtle named Ray, and never forgets about Shelly, a turtle he saved that first day on the beach and the one he's always loved.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisThe Deep (1977)
A pair of young vacationers are involved in a dangerous conflict with treasure hunters when they discover a way into a deadly wreck in Bermuda waters.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisMy Octopus Teacher (2020)
After years of swimming every day in the freezing ocean at the tip of Africa, Craig Foster meets an unlikely teacher: a young octopus who displays remarkable curiosity. Visiting her den and tracking her movements for months on end he eventually wins the animal’s trust and they develop a never-before-seen bond between human and wild animal.
Why it matches: Recommended by TMDB viewers
Absolute CinemaMovies like thisThe Poseidon Adventure (1972)
When their ocean liner capsizes, a group of passengers struggle to survive and escape.
Why it matches: Recommended by TMDB viewers
Worth the HypeMovies like thisLast Breath (2025)
Seasoned deep-sea divers battle the raging elements to rescue their crewmate trapped hundreds of feet below the ocean's surface.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisMoana (2026)
Teenage Moana answers the Ocean's call and, for the first time, voyages beyond the reef of her island of Motunui with infamous demigod Maui on an unforgettable journey to restore prosperity to her people.
Why it matches: Recommended by TMDB viewers
Worth the HypeMovies like thisDeep Rising (1998)
A group of heavily armed hijackers board a luxury ocean liner in the South Pacific Ocean to loot it, only to do battle with a series of large-sized, tentacled, man-eating sea creatures who have taken over the ship first.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisSphere (1998)
A spacecraft is discovered at the bottom of the Pacific Ocean, presumed to be at least 300 years old and of alien origin. A crack team of scientists and experts is assembled and taken to the ocean floor to investigate. However, the ship is not as it seems and when a giant perfect sphere is discovered in the cargo bay, things begin to fall apart.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisShark Whisperer (2025)
Marine conservationist and social media activist Ocean Ramsey fearlessly swims with sharks in this documentary about her risky mission to protect them.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisLeviathan (1989)
Underwater deep-sea miners encounter a Soviet wreck and bring back a dangerous cargo to their base on the ocean floor with horrifying results. The crew of the mining base must fight to survive against a genetic mutation that hunts them down one by one.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisTrue Spirit (2023)
When the tenacious young sailor Jessica Watson sets out to be the youngest person to sail solo, nonstop and unassisted around the world, many expect her to fail. With the support of her sailing coach and mentor Ben Bryant and her parents, Jessica is determined to accomplish what was thought to be impossible, navigating some of the world’s most challenging stretches of ocean over the course of 210 days.
Why it matches: Recommended by TMDB viewers
Worth the HypeMovies like thisTriangle (2009)
When Jess sets sail on a yacht with a group of friends, she cannot shake the feeling that there is something wrong.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisMoby Dick (1956)
In 1841, young Ishmael signs up for service aboard the Pequod, a whaler sailing out of New Bedford. The ship is under the command of Captain Ahab, a strict disciplinarian who exhorts his men to find Moby Dick, the great white whale. Ahab lost his leg to that creature and is desperate for revenge. As the crew soon learns, he will stop at nothing to gain satisfaction.
Why it matches: Recommended by TMDB viewers
Worth the HypeMovies like thisAftersun (2022)
Sophie reflects on the shared joy and private melancholy of a holiday she took with her father twenty years earlier. Memories fill the gaps between camcorder footages as she tries to reconcile the father she knew with the troubled man she didn't.
Why it matches: Recommended by TMDB viewers
Worth the HypeMovies like thisThe Boat That Rocked (2009)
When a group of rebellious deejays decides to defy the ban on government-censored music, they take to the seas to broadcast music and mayhem to millions of adoring fans.
Why it matches: Recommended by TMDB viewers
Worth the HypeMovies like thisThe Philadelphia Experiment (1984)
Based on an "actual event" that took place in 1943. About a US Navy Destroyer Escort that disappeared from the Philadelphia Naval Shipyard, and sent two men 40 years into the future to 1984.
Why it matches: Recommended by TMDB viewers
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Frequently asked questions
What are the best movies like Only An Ocean?
The closest matches to Only An Ocean are Deep Blue (2003), The Meg (2018) and A Plastic Ocean (2016). Below are 17 more, each with the reason it matches.
What should I watch after Only An Ocean?
Start with Deep Blue (2003), the closest match to Only An Ocean.
What is the highest-rated movie like Only An Ocean?
My Octopus Teacher (2020), rated 7.9/10 by 1,114 TMDB users.
What is the newest movie like Only An Ocean?
Moana (2026) is the most recent release on this list.
Are there English movies like Only An Ocean?
Yes: Deep Blue (2003), The Meg (2018) and A Plastic Ocean (2016).
How are movies similar to Only An Ocean chosen?
First come films that Trakt’s viewers watch alongside Only An Ocean, then TMDB’s recommendations and films it rates as similar in story and genre. Each pick says which signal put it there.