V1 WAS WESTBOUND IN THE NEW RIVER CANAL ALONG SR 84 ABOUT 1/2 MILE EAST OF GLADES PARKWAY.  V1'S ESTIMATED SPEED WAS APPROXIMATELY 20-25 MPH.  V1 STRUCK A SUBMERGED ROCK APPROXIMATELY 25 FEET FROM THE SHORELINE.  V1 TOOK ON WATER AND CAME TO REST ON THE ROCK BOTTOM IN THREEE OR FOUR FEET OF WATER.  A BYSTANDER ATTEMPTED TO TOW V1 BACK TO THE BOAT RAMP.  V1 BECAME FULLY SUBMERGED RESTING IN APPROXIMATELY 8 FEET OF WATER.
WESTON                        