 After retiring from professional play, Riley returned to coaching in 1989-90, when he landed a head coaching position with the Amherst Ramblers of the Nova Scotia Junior Hockey League.Later, he was the head coach, general manager and director of player personnel of the Miramichi Timberwolves of the Maritime Junior A Hockey League.He also served as head coach of the Moncton Wildcats during the 1996–97 season, finishing with a 16–52–2 record.