Best movies like Island of the Fishmen

A sinister corporation loses control of a house cat infected with a genetically-engineered virus. The death-toll rises during the mutant feline's rampage, and eventually, it finds its way on board a ship of a criminal king-pin.

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 disabled, 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 advanced alien race that makes sailors their slaves.

During the US Civil War, Union POWs escape in a balloon and end up stranded on a South Pacific island, inhabited by giant plants and animals. They must use their ingenuity to survive the dangers, and to devise a way to return home. Sequel to '20,000 Leagues Under the Sea' .

Trapped on a remote island by a hurricane, a group discover a doctor has been experimenting on creating half sized humans. Unfortunately, his experiments have also created giant shrews, who when they have run out of small animals to eat, turn on the humans.

Amanda's deathbed request to her son, John, was for him to destroy all the lab notes etc. from her last experiment. She also blurts out he had a brother. At the funeral John meets Melissa, who claims to be his mother's biggest fan. Together with some of John's friends they go to Amanda's house, but none are prepared for what they find there.

Thirty years ago, Ray Reiter witnessed the brutal death of his parents at sea by a strange, octopus-like creature. Now determined to exact revenge, he joins archaeologist Nicole on a perilous high-seas expedition to find a legendary Greek Opal - said to be guarded by the very beast that murdered his family. As they come face to face with the killer Kraken, they must also battle a ruthless crime lord, who will stop at nothing to seize the coveted treasure for himself.

A young Norwegian boy in 1850s England goes to work as a cabin boy and discovers some of his shipmates are actually pirates.

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 scientist's beautiful fiancée, Kay.

In the distant future, a federation marshal arrives at a research lab on a remote planet where a genetic experiment has gotten loose and begins feeding on the dwindling scientific group.

A marine biologist, a dolphin trainer, a research scientist, and a local sheriff try to hunt down a large sea monster, a shark/octopus hybrid, that is devouring swimmers and fishermen off a south Florida coast.

A cancer researcher on a remote Caribbean island discovers that by treating the natives with snake venom he can turn them into bug-eyed zombies. Uninterested in this information, the unfortunate man is forced by his evil employer to create an army of the creatures in order to conquer the world.

A crook decides to bump off members of his inept crew and blame their deaths on a legendary sea creature. What he doesn't know is that the creature is real.

Dr. Henry Frankenstein attempts to create life by assembling a creature from body parts of the deceased. Aided by his loyal misshapen assistant, Fritz, Frankenstein succeeds in animating his monster, but, confused and traumatized, it escapes into the countryside and begins to wreak havoc. Frankenstein searches for the elusive being and eventually must confront his tormented creation.

Chandu consults his crystal ball and sees that Nadji, Princess of Egypt, is in danger. She is about to be sacrificed by the black magic cult of Ubasti. Headed for the magic island of Lemuria, he is shipwrecked , washed ashore and captured. He becomes invisible, escapes and after numerous detours is able to rescue the princess.

In the early 19th century, Dr. Frankenstein discovers the secret of life – how to create a perfect man – powerful, intelligent and immune to disease. But something goes wrong in the laboratory and the doctor’s hideous creation disappears into the night. At first, Frankenstein hoped that the horrible monster would perish in the wilderness, but now he senses that it’s alive and sets out for him. Dr. Frankenstein tracks the creature to the Arctic, where the two must battle to decide who will become the master of the other’s life…or death.

A ship-wrecked man floats ashore on an island in the Pacific Ocean. The island is inhabited by a scientist, Dr. Moreau, who in an experiment has turned beasts into human beings.

A prison ship on its way to a remote island prison runs aground on rocks and sinks. Mixed survivors of cons and prison guards struggle ashore, only to discover to their horror that another survivor got there first - the murderous & psychotic Leo Rook. Stranded, with no means of escape or call for help, the survivors must face a night of terror as they struggle to survive.

When legendary hunter Bob Rainsford is shipwrecked on the perilous reefs surrounding a mysterious island, he finds himself the guest of the reclusive and eccentric Count Zaroff. While he is very gracious at first, Zaroff eventually forces Rainsford and two other shipwreck survivors, brother and sister Eve and Martin Towbridge, to participate in a sadistic game of cat and mouse in which they are the prey and he is the hunter.

Five prisoners of war escape captivity in a Confederate prison camp only to land in an uncharted Pacific island where time stands still and dastardly pirates don't take kindly to strangers in director Russell Mulcahy's screen adaptation of fantasy author Jules Verne's literary classic. They thought they were on their way to freedom when they leapt into a balloon and took to the skies, but upon landing on an island where nothing is as it seems, these escapees are about to embark on the adventure of a lifetime. From bloodthirsty beasts to murderous pirates and a mad genius named Captain Nemo (Patrick Stewart), treachery lurks behind every corner on this island, and if these five survivors have any hope of staying alive, they'll have to fight to their dying breaths to escape the island and get back to the modern world.

On a volcanic island near the kingdom of Hetvia rules Count Dakkar, a benevolent leader and scientist who has eliminated class distinction among the island's inhabitants. Dakkar, his daughter Sonia and her fiance, engineer Nicolai Roget have designed a submarine which Roget pilots on its initial voyage just before the island is overrun by Baron Falon, despotic ruler of Hetvia. Falon sets out after Roget in a second submarine and the two craft, diving to the ocean's floor, discover a strange land populated by dragons, giant squid and an eerie undiscovered humanoid race.

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 comes out each night.

A mad scientist performs experiments on "the criminal mind" on captured criminals on board his private ship.

An eclectic group of characters set sail on Captain Lansen’s leaky cargo ship in an attempt to escape their various troubles. When a violent storm strikes, the ship is swept into the Sargasso Sea and the passengers find themselves trapped on an island populated by man-eating seaweed, giant crabs and Spanish conquistadors who believe it’s still the 16th century.

When Kelly Morgan was 11 years old he had a terrifying encounter with Rana, a strange half man/half frog monster living in a lake. The creature killed his father and many other people before Kelly destroyed it. Now as a young man he returns to search for the monster's hidden treasure, and to see if the legendary creature really was killed.

Happy couple Jason and Alexandra lose their sail yacht in a storm and are grateful to get picked up by Captain Jim Bigelow's commercial carrier. Suspicious about the ship's doctor and realizing the ship is improbably empty and the radio not broken as the crew claims, Jason starts snooping around. Bodies on meat-hooks, genetic experimentation and giant spiders are what he finds.

A mad scientist transforms a panther into a man-like creature that escapes and goes on a murderous rampage.

A futuristic underwater sea-lab is having problems with a UFO that's parked between them and a nearby deep ocean trench. As they investigate, they attract the unwanted attention of a dangerous creature who puts the scientists and crew in danger.

Group of heroin smugglers finds shelter on abandoned oil rig after their ship had exploded. Soon they find that the oil rig was just cover for biological experiment. One of the results is Charlie - shape-shifting monster with ability to absorb the memory of its victims. However, even such creatures have their own bad habits.

A cursed survivor of killings at the Amityville House brings evil to a small island where bizarre genetic experiments are carried out on humans and animals.

A man is shipwrecked on the island of a cruel Count and taken prisoner.

A biological experiment in Florida goes awry. The result: 8-foot long land crabs which roar loudly and kill everything in sight.

After their plane crashes in the Pacific ocean after a storm a group of people scramble to a tropical island. At first the place seems home to palm trees and exotic wildlife but on the discovery of a disused military base they find out the island poses a severe threat to them

A diverse group of ex-cons-turned-movers are convinced by their creepy client, Vern Muller, to pull an all-nighter for a generous pay bump. As the night progresses and rooms are cleared, they slowly uncover the horrors that exist inside his old Victorian mansion, which include boobytraps, human experimentation, Nazi monsters and more. Will they survive the night?

A couple wash up on an uncharted island where Nazi experiments are going on.

When an oil company unwittingly unleashes a prehistoric shark from its icy prison, the Jurassic killer maroons a group of art thieves and a group of college students on an abandoned island