RedactedNarrative: On August 8, 2021, OP1 was operating his vessel near Marvin Key.  The vessel ran aground in shallow water.  Two occupants entered the water to try and push the vessel to deeper water.  As VICTIM 1 was climbing up the swim ladder or was possibly standing on the swim platform, OP1 put the engine in gear.  VICTIM 1 suffered a laceration to his left thigh from the engines propeller. VICTIM 1 suffered a laceration from a propeller striking his left thigh, just above the knee.  He received approximately 20 stitches at Lower Keys Medical Center.