The body of a man in his 50s has been recovered from the harbour in Port Credit.
The man, who police believe was intoxicated at the time, went into the water at about 2:30 a.m.
His wife, who also was believed to have been drinking, went into the water at the marina, as well. She was rescued by other boaters.
It is believed the couple lived on one of the boats in the marina.
No names have been released.