The Monroe County Sheriff's Office said a 34-year-old Jason G. Mitchell, 34, of Perrysburg, never resurfaced the waters after falling off a Jet Ski about 8 p.m.
A Monroe County dive with fire departments in the area continued the search Sunday morning. They located him in 7 feet of water, according to authorities.
A 28-year-old Toledo woman was operating the Jet Ski when the incident happened in a private lake on Sterns Road in Erie Township.
The victim was not wearing a life jacket, according to officials.
Officials have scheduled an autopsy from the Wayne County Medical Examiner's Office.
Anyone with information is asked to call Deputies Ryan Sottile and Enrico Galimberti at 734-220-7700.