The alarm was raised when a car was spotted at Killy Lake neat Tri-A-Lougha close to Fanad United’s football pitch.
A search as launched and a man’s body was found a short time later in the lake.
The body is believed to be that of a 63 years old local single man.
The body was removed from the lake earlier this afternoon and removed to Letterkenny general Hospital.
Gardai say there are no suspicious circumstances surrounding the death and foul play is not suspected.
A Garda source revealed “We are not looking to interview anybody else in connection with this date at this stage.”