RedactedNarrative: Operator and family were on a sand bar on the Northeast portion of Pelican Lake and he noticed that the weather and rain was approaching. Operator walked to the PWC which was owned by his father and started the boat. Still standing in the water he, reached up to retrieve the type 3 PFD which was entangled on the handlebars and as he pulled the PFD the PWC accelerated without an operator across the water heading in a Southeast direction. Eventually the unoccupied PWC struck a small island off of State Highway 45 in Pelican Lake. Damage to the vessels bow area resulted as it struck the rocky shore and island, no other property damage and no injuries occurred. The PWC was newly purchased and the owner estimated the minimum damage to repair the vessel would be $5,000. Officers confirmed that the PFD was a three panel Type 3 with side straps attaching the front panels and the straps were entangled on the throttle lever after striking the island.