RedactedNarrative: The kayak owner stated her son/victim went down to the Grand Trunk Launch Ramp to go kayaking at about 12:00 pm.  owner stated she was getting worried about him because it was getting late, and he had not returned. Owner stated she went down to the launch ramp at 5:00 pm and found Victim's Subaru parked near the launch ramp.  She saw Victim' orange Kayak floating in the water north of the Great Lakes Marina.  Victim was not in the Kayak.  Owner thought Victim might have pulled the kayak up onto the shore and taken a nap, and the kayak floated off. This was the first time that Victim had been on the water with the kayak.  Owner Stated the Victim was in a car accident as a child and suffers from a diminished mental capacity and physically deformed right arm.  He takes medication that may make him tired.  At approx. 2315 Victim body was recovered approximately 100 yards out (north) from the Muskegon Yacht Harbor (Cole's Bakery).  His body was taken aboard a Muskegon Fire Department boat and brought into the Marina Pro-med was on scene.  Victim was unresponsive, his body was cold, and rigor had set in.  Time of death was listed as 2336 hrs.  Victim was not wearing a life jacket.