Continuity: When Tina and Eddie are making out, just before Tina hears the sound of Terry water-skiing, the position of Eddie’s guitar, radio, blanket etc., changes between shots.

Continuity: At the end of the movie when the Chief has killed the shark, you see his son Shawn cheering, with his hair completely wet and messed. By the time the Chief paddles over, Shawn's hair is now perfect; dry, and combed neatly...

Visible crew/equipment: In the scene where Brody approaches the group of teenagers on their smashed boats, the angle cuts to show Brody approaching seen as if from Cable Junction. At this point, there is a huge mistake. The teenagers' boats are clearly visible in the foreground, the kids have all completely vanished, and you can spot the cameraman standing on the boats quite clearly.

Continuity: In the scene when Chief Brody, his wife & deputy come across the sail boat named "Tina's Joy", they find Tina in it, and during this scene Chief Brody's jacket is placed on Tina's shoulders. The Chief then leaves the sailboat in search of the other teens. Later scenes show the Chief wearing this jacket when in fact he left it with Tina.

Continuity: When Ellen grabs the coffee pot from the stove she grabs the handle with her right hand and place the left hand on the side of the pot. When it cuts her left hand is down.

Continuity: When Mike says Sean can't come with him, Tina says, "He can help me, at least" with her hair hanging over her right shoulder. When it cuts, her hair is pulled back.

Continuity: When Tina walks to cut the ribbon, her Miss Amity sash changes position between shots.

Continuity: After Tina yells that the shark is still there, we see her placing her hand on Ellen's shoulder. When it cuts to Brody getting off the sailboat Tina has her hand on Ellen's hip.

Continuity: At the breakfast table when Sean says "I want Fruit flakes" he has a glass of juice and a glass of milk in front of him. When it cuts, the two glasses switch places.

Continuity: When we see the dead whale's mouth there is some seaweed on its mouth. When Brody is helping Dr. Elkins measuring the whale a larger lump of seaweed appears on its mouth.

Continuity: In the scene where Brody drives his jeep onto the ferry he drives it to the edge. Yet in the next shot when it reaches the other side the jeep is about two feet from the edge.

Revealing: In the shot of Eddie falling backwards out of Tina's Joy into the water, his hair is wet before he hits the water.

Continuity: When the divers are snorkelling underwater for lobsters, the diver in the blue swimsuit's snorkel keeps switching which side of his face it is strapped to.

Continuity: After the false scare on the beach, Brody pushes the chamber back into his revolver twice.

Continuity: When Mike and Andy are on the sail-boat, adjusting the green sail, the zipper on Mike's blue lifevest alternates from being at the bottom / top of the zip on his vest.

Continuity: When Brody thinks he spots a shark, he rings his bell, then begins to descend the watch tower. In one shot you can see a woman with blonde hair, sitting on a beach-chair, at the bottom of the watch-tower. In the next overhead shot, as Brody runs across the beach, the same woman now suddenly has an orange hat on.

Continuity: When Brody is with the photograph developer, who is developing the divers photos for him, he takes a photo from a box and puts it in a tray of liquid, and he then puts the lid of the box on properly. Then in following shots the box lid alternates from on properly, to off slightly.

Continuity: Brody has a hold of the large power line, and the shark is gliding along straight for it. In all the shots of Brody holding the power line, the green jacket he wears has wet splashes on it. One patch of water on his right shoulder briefly disappears for one shot, the reappears in the following.

Continuity: When Ellen Brody is talking with the Mayor and Hendricks on the docks, about her husband, her collar goes from under to over her jacket between shots.

Revealing: When the shark attacks the catamaran remains which only Jackie and Sean are on, as the shark hits, one of it’s front top teeth is clearly bent in half. It remains back to intact in all other following shots.