There is a slightly longer bloodier cut of the film with a extended beach attack in Mexico.
The ship the Fragasso is named after Italian cult director director Claudio Fragasso.
The shark model was changed from the previous films to introduce a new kind of Megalodon shark.
There was supposed to be a scene where the shark eats the Santa Monica pier.
There is a much longer bloodier beach attack sequence that was cut down due to run time. This included many cameos as well as a person coming out of the water with a shark tooth stuck in his leg.