From the Orleans Police Department:
The Orleans Police and Orleans Fire Department responded to Rock Harbor for a report of a motor vehicle that had gone from the parking lot through the fence and was upside down on the dock.
The sole occupant was out of the vehicle upon officers arrival and had minor injuries. No one else was injured and no boats were damaged.
The crash is under investigation at this time.
Update: Orleans Fire-Rescue reports no hazards to the environment were created by this crash.