Search and rescue teams retrieved the body of a scuba diver Sunday afternoon after the man drowned Saturday at a lake near Athabasca, Alta. RCMP say.

The 44-year-old man was reported missing at around 3:45 p.m. on July 15 at Island Lake, around 30 kilometres northwest of Athabasca.

His body was found at the bottom of the lake by divers and search and rescue on Saturday evening, Staff Sgt. Jeremie Landry said.

Dive teams were working all day Sunday to recover the body from the lake. RCMP are not releasing the man's name.

The Edmonton Medical Examiner's Office has ordered an autopsy. 

The circumstances surrounding the drowning remain under investigation.

Island Lake

Island Lake is around 30 kilometres northwest of Athabasca. (Google Maps)