Visible crew/equipment: When Amanda is tangled in all the ropes and straps in the plane you see a diver behind her trying to hide from the camera man.

Continuity: When Jessica Alba is going from the pier to the boat to check on Paul Walker after his leg went through the boat, it shows her take off her flip flops. But when it cuts to where she is on the boat she has the flops on.

Plot hole: When the group first finds the plane, they are all able to hold their breath long enough to descend, search the plane and resurface. Yet later in the movie, even though Amanda can get a full breath of air from the air pocket in the plane, she can't hold her breath long enough to swim to the surface and has to be rescued by Jared.

Continuity: When they first discover the wreck and they are pulling pieces of treasure up to the rear deck of the boat, Jessica's fins change from the clear fins to a set of blue ones without her changing or getting out of the water.

Continuity: During the scene when Paul Walker goes back into the water to find his watch, just before he finds the plane he is wearing it, but when he siwms off towards the plane he does not have the watch on.

Continuity: In the airport scene Scott Caan introduces his new "girl" to Paul Walker and Jessica Alba. In the background behind Paul you see a long-haired brunette wearing a strapless shirt walk out of the terminal and continue past the camera. The shot changes to a wide angle of the four main characters, and a second or so after the change you see the same brunette come out of the terminal again.

Continuity: When they are pulling the cannon onto the boat, about ten minutes prior to the end, there is no water on the cannon, it is completely dry though it just came out of the water.

Revealing: During the scene where Paul is mad at Scott for not telling him he had no money to buy a boat, the mic wire is visible outside Paul's collar.