RedactedNarrative: Vessel 1 (V1) was traveling northwest and up current in the St. Marks River.  Vessel 2 (V2) is an unknown vessel at this time and was a white cabin boat and estimated to exceed 30 feet in length.  V2 was traveling southeast and down current in the St. Marks River.  V1 and V2 were in a port side to port side passing situation.  V1 slowed to cross V2's large wake.  During the crossing, the occupant in V1 was seated and suffered a back injury due to the vessel impact with the wake.  Occupant was transported by EMS to the hospital.; The attending Emergency Room Doctor labeled the injury as a "stinger" and stated the effects should subside in approximately a week.
NameOfBodyOfWater: ST. MARKS RIVER
NearestCityTown: ST. MARKS