Vessel time in was northbound on the icw and had an operator and three other male passengers.  There was a gps and navigational charts in use by the captain and passengers of the vessel.  The vessel was navigating between markers #27 and #24 at slow speed (less than 10 kts).  The vessel had run aground on the east side of the channel but was able to unground itself and continue motoring north.  The channel in this area is marked but shoaling is present on both sides of the channel, one day marker is missing the proper sign.  The victim had told the captain to "head toward that pole." it was believed that the pole in question was a day marker that was missing the boards indicating which side of the channel to navigate.  The vessel moved slowly in that direction; at the same time, the victim began climbing the stairs inside the cabin to go out on the flybridge.  The owner was right behind the victim on the stairs.  The vessel struck the shoal on the west side of the channel coming to an abrupt stop.  The victim fell from the stairs onto the owner and then to the side landing on the console with his back.  victim suffered broken ribs as a result of the impact  with the console.  Coast guard was called to help tend to victim and then trasport him back to the station for transport to the local hospital.  The vessel was unable to unground itself from the shoal and had to be pulled off by towboat us.  The vessel sustainted no damage in the incident.  Passengers were not wearing pfd's.  No alcohol or drugs were involved.
BAYBORO                       