RedactedNarrative: Occupant stated boat was grounded on a sand bar.  Subject was out of the boat attempting to push the boat off the sand bar when a large wave lifted the boat causing the propeller to cut his left calf on his leg.  Officers stated seas where too rough to load victim to their boat on the south side of island, so they transported victim to north side of island to bring him in.  Subject was transported to Memorial Hospital where he received 9 internal stitches and 16 external stitches to his left leg.