RedactedNarrative: Operator was operating his boat when something struck the propeller. The motor did not work. Operator began using the trolling motor to get back to the ramp. The trolling motor''s propeller struck something and broke off. Operator was able to get the boat to Grapevine Island. He tied the boat up as a storm began to roll in. Operator left the boat tied to the island and let the storm pass. He then asked for our assistance in getting the boat to the ramp.