RedactedNarrative: Was westbound on C.J. Strike Reservoir in the Snake River Arm. Was passing an island commonly known as Pelican Island and said was 100 yards off shore of the Island and they struck a rock in the boat. This caused some large long scratches to the bottom of the hull of the boat and some denting. It also caused damage to the outboard motor, a Mercury 150. It cracked the lower unit in a couple spots, it damaged the skag of the motor and also damaged the propeller. Nobody was injured in the crash. Approximately 3000.00 damage done to the boat and motor, but that is just an estimate. 
  
  The boat was being operated at approximately 25 mph and headed westbound on the Snake River Arm of C.J. Strike Reservoir. There is an island that is commonly known as Pelican or Crane Island that is on the reservoir. The depth of the water is shallow, far out from the island, all around it. This watercraft was approximately 100 feet off of the island towards the middle of the reservoir when it struck a submerged rock and it caused the described damage to the boat. There were no injuries sustained in this crash. There are no navigational buoys around this island.