गूफ़

At approximately 55 minutes, the young woman "Mango" is discovered coming out of the jungle, and again 5 seconds later.

At 51:47 Renzo jumps into the water from the boat, still holding his mask and flippers in his left hand. Underwater shot shows them both on.

At 52:20 the divers are show underwater with apparently empty hands. Later they have items in them.

When the monster attacks the ship at the end of the movie, you can see human skin where the costume sleeves didn't reach the gloves.

The creature may have risen from the slime and moss of the ocean floor but he sports a nice pair of rubber swim fins.

At about 16 minutes into the movie when Marry Belle is insulting the Cuban generals, the subtitles misspell the word "carriage" as "carraige".

At 51:19 a diver is shown ready to jump in the water with medals pinned to his undershirt.

At 53:03 a diver swims by holding what appears to be a toilet plunger.

Almost at the end of the movie, when the "monster" is manipulating the box under water, the driver's mask and regulator can be seen where the creature's neck should be.

When they are on the island near Puerto Rico, one of the crew comes back with a pineapple. Pineapples are not grown in Puerto Rico, but in Hawaii.