Highest-Rated Movies about 'Underwater World'

Under the Sea (2009), Finding Nemo (2003), Gake no ue no Ponyo (2008), The Little Mermaid (1989), Finding Dory (2016), 20,000 Leagues Under the Sea (1954), Aquaman (2018), Atlantis: The Lost Empire (2001) ... Let's take a look at the ranked list of the best Underwater World movies.

#16. Warlords of Atlantis (1978)

Storyline: Searching for the lost world of Atlantis, Prof. Aitken, his son Charles and Greg Collinson are betrayed by the crew of their expedition's ship, attracted by the fabulous treasures of Atlantis. The diving bell destroyed, a deep sea monster attacks the boat. They are all dragged to the bottom of the sea where they meet the inhabitants of the lost continent, an advance alien race makes slaves of the ship-wrecked sailors. The aliens want to rule the human world to create a nazi state. Due to his high IQ, they think that Charles may join them. Greg and the team will need the help of Delphine, the daughter of a slave, to escape the city surrounded by evil creatures...—Christophe Tronche <tronche@lri.fr>

Plot Keywords: sci-fi, adventure, action, fantasy, underwater world, monsters, expedition ...

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#17. Underwater! (1955)

Storyline: Dominic Quesada and Johnny Gray, two SCUBA divers searching for sunken treasure off the coast of Cuba, think they've hit the jackpot when they find a 17th century ship on the sea floor. They need working capital however and Johnny is ready to hock his boat but his wife Theresa thinks they're off on another wild scheme that will leave them all poorer than when they started. She comes around however and are soon joined by Gloria, whose boat they will use and Father Cannon, a university professor and archaeologist. Although Dominic hasn't been completely honest with his partners, they may in fact be in the area of a major treasure ship. When they do find it, the ship is teetering on the edge of a 300 foot cliff and dangerous for even the most experienced divers.—garykmcd

Plot Keywords: adventure, action, underwater, ocean, diving, treasure hunt, shipwreck ...

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#18. The Neptune Factor (1973)

Storyline: Aboard the R/V Triton, the Project Neptune team is doing oceanographic research. Director Andrews is trying to keep the research going in spite of opposition from Foundation Head Sheppard. Below on the ocean floor, in the Sealab, the team led by Hamilton is about to return to the surface when the Sealab is ripped loose from it's moorings and sent careening into a trench. Trapped too deep for divers, the only chance is rescue by a new US Navy mini-sub, piloted by the arrogant Cdr Blake USN. Blake, Chief Diver MacKay, Diver Cousins & Dr. Jansen (Hamilton's fiance) dive in the mini sub to attempt the rescue of the trapped Hamilton & crew.—Robb Mavins <rmavins@mb.sympatico.ca>

Plot Keywords: sci-fi, adventure, disaster, submarine, rescue mission, marine life, scientists ...

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#19. Scales: Mermaids Are Real (2017)

Storyline: Siren Phillips has lived her life thinking she's an ordinary girl, in an ordinary town. On the eve of her twelfth birthday, however, she learns that she is far from ordinary. Destined to turn into a Mermaid at the age of twelve, Siren must struggle with her new reality, saying good bye to her mother and friends, while she transitions into the water. To make matters worse, a group of Hunters are after her, trying to catch her. She soon becomes friends with Adam Wilts, a new boy at school, who she turns to for help. He agrees to help her, but finds himself caught in the middle, when it's his own father who is after Siren. When Siren's mother is taken, the town must rally behind her, and help her make a peaceful transition into the water, before the hunters can find out where she is.—Fromage Pictures

Plot Keywords: fantasy, adventure, family, teen, coming of age, mystery, ocean ...

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#20. Back to the Sea (2012)

Storyline: Kevin (Yuri Lowenthal), a young flying fish, lives in New York harbor. He dreams of leading his family back to Barbados - the mythical kingdom of the flying fish. One fateful day, his adventurous nature finds him captured by a fishing ship and delivered to the fish tank of a famous restaurant in New York City's Chinatown, where he meets a quiet young boy who also longs for excitement and adventure. The two become fast friends and begin a daring quest to get Kevin back home to the sea.—IndustryWorks

Plot Keywords: animation, comedy, family, adventure, ocean, friendship, animal protagonist ...

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