RedactedNarrative: Vessel hit by wake and knocked passenger to the deck causing injury. On July 3rd at approx. 0900 hours  a  vessel encountered a large vessel leaving the west shoreline of the Intercostal Waterway in the vicinity of Horse Shoe Point Road.  The vessel was traveling in a north bound direction and creating a large wake.  Operator1 turned the vessel into the wake causing a passenger on the vessel to fall from her seat impact the deck of the boat.  Occupant was later determined to have broken her tailbone. Operator1  was not able to get the name or identifying numbers from the large vessel or determine who was operating it. The wake caused a lot of water to go in  boat  which was able to be pumped out by the bilge pumps.  The vessel had no other damage to it. They were able  to return to the dock with out further incident.