Continuity mistake: As Lara is headed up to the boat's pilot house, she obviously leaves the hatch open, but a far away shot shows the door closed again, as she's climbing the ladder. When she goes back down, it's suddenly open again. You could claim it's the rocking of the boat, but as she's grabbing her gear, the door stays open.
Factual error: After 7 years the battery on the video camera left by Lara's father should be dead.