Continuity mistake: When Natalie arrives at the marina she is wearing a long trench coat but after she discovers the dead body in the water she is wearing a short one.
Continuity mistake: When Linda is showing the apartment to the Captain, she has her phone in her left hand and crosses her arms. Her arms stay crossed, but then in a later shot, with her arms still crossed, the phone is in her right hand.
Continuity mistake: When Jay pulls up to the marina, he parks at an angle and quickly jumps out and then we see him take off in his boat. When the Captain arrives, Jay's car is no longer at an angle and is parked properly.
Answer: Notice also that in the opening credits scene when he is touching parking meters her also wipes his hand on his clothes each time he does it.