RedactedNarrative: This is a single vessel incident. The vessel involved was a 25 foot white 1982 Renken bearing Ohio registration numbers of OH3681XU and was aground Ocean side of MM 80. One male  got out of the vessel  to push, the other male stayed in the vessel with the motor in gear. Once they got to the end of the flat, occupant stepped into the deeper water and lost his footing subsequently landing on the prop. He sustained lacerations to his left arm and chest and was admitted to Ryder Trauma Center where he underwent several surgeries.;  Vessel was drifting and originally grounded for a period of time, good samaritan pulled them off and they later drifted to the shallows while fishing, this is when victim stepped out of the boat.