RedactedNarrative: Both victim and passenger were ejected from the boat after hitting a large wake.  Per passenger, victim tried to swim towards the boat to stop it.  Boat went towards the victim and he dove under the water and did not re-surface.  Victim was found later with side scan sonar.  Incident is under investigation by Ottawa County Sheriff Department.  No one was wearing a life jacket.  Autopsy report documents the final cause of death of victim as blunt force trauma to the head secondary to a boat collision. The manner of death was identified as an accident.