
10 Best Movies Like Poseidon Rex
If you loved Poseidon Rex, we've curated the perfect watchlist for you based on shared genres, themes, and directorial style.

Dinosaurus!
Why watch this? A perfect follow-up to Poseidon Rex for fans of Horror. It captures a similar spine-chilling atmosphere.
After undersea explosions near a Caribbean island, prehistoric creatures are unleashed on the unsuspecting population....

Into the Deep
Why watch this? A perfect follow-up to Poseidon Rex for fans of Action & Horror. It captures a similar spine-chilling atmosphere.
Divers searching for sunken treasure witness the murder of drug dealers by modern-day pirates, but a killer great white is determined not to let any of them escape its waters....

Deep Rising
Why watch this? A perfect follow-up to Poseidon Rex for fans of Action & Horror. It captures a similar spine-chilling atmosphere.
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 creat...

Creature from the Black Lagoon
Why watch this? A perfect follow-up to Poseidon Rex for fans of Horror. It captures a similar spine-chilling atmosphere.
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, a...

Into the Blue
Why watch this? A perfect follow-up to Poseidon Rex for fans of Action. It captures a similar adrenaline-pumping atmosphere.
When they take some friends on an extreme sport adventure, the last thing Jared and Sam expect to see below the shark-infested waters is a legendary pirate ship rumored to contain ...

The Sea Beast
Why watch this? A perfect follow-up to Poseidon Rex for fans of Action. It captures a similar adrenaline-pumping atmosphere.
When a young girl stows away on the ship of a legendary sea monster hunter, they launch an epic journey into uncharted waters — and make history to boot....