Manfish (1956)

Navy frogman Ted Jackson balances his time between twin careers as a deep-sea diver and nightclub singer. During a dive, Ted spots sunken treasure and returns with the hope to retrieve it.

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.

A rogue submarine captain pulls together a misfit crew to go after a sunken treasure rumored to be lost in the depths of the Black Sea. As greed and desperation take control on-board their claustrophobic vessel, the increasing uncertainty of the mission causes the men to turn on each other to fight for their own survival.

Thrust into an all-new adventure, a down-on-his-luck Capt. Jack Sparrow feels the winds of ill-fortune blowing even more strongly when deadly ghost sailors led by his old nemesis, the evil Capt. Salazar, escape from the Devil's Triangle. Jack's only hope of survival lies in seeking out the legendary Trident of Poseidon, but to find it, he must forge an uneasy alliance with a brilliant and beautiful astronomer and a headstrong young man in the British navy.

James Bond returns as the secret agent 007 to battle the evil organization SPECTRE. Bond must defeat Largo, who has stolen two atomic warheads for nuclear blackmail. But Bond has an ally in Largo's girlfriend, the willowy Domino, who falls for Bond and seeks revenge.

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.

A young street-smart, Nathan Drake and his wisecracking partner Victor “Sully” Sullivan embark on a dangerous pursuit of “the greatest treasure never found” while also tracking clues that may lead to Nathan’s long-lost brother.

Russian and British submarines with nuclear missiles on board both vanish from sight without a trace. England and Russia both blame each other as James Bond tries to solve the riddle of the disappearing ships. But the KGB also has an agent on the case.

When the seaside community of Amity finds itself under attack by a dangerous great white shark, the town's chief of police, a young marine biologist, and a grizzled shark hunter embark on a desperate quest to kill the beast before it strikes again.

A rag-tag team of divers attempting to salvage a sunken car from a river are thwarted by a highly aggressive bull shark.