RedactedNarrative: Witness called grda pd at approx 1930 hrs advising she heard people yelling for help. Witness advised the subjects were approx 200 to 250 yards east of her residence. At approx 1940 hrs witness called back advising they had rescued a male subject from the water who had advised them that his wife had drowned. Vessel operator stated that he and his girlfriend had gotten into the water to swim but their boat had drifted away from them and they were unable to swim back to the boat. The operator stated that his girlfriend's children were on the boat but not in the water at the time of the incident. Victim's body was located on 05-12-2014 at approx 2309 hrs utilizing side scan sonar. Area of the accident was approx 755 feet west of one dock and approx 844 feet sw of another dock and approx 1/3 mile south of state highway 20.  The operator had an odor of alcohol.  OPERATOR FAILED TO ANCHOR VESSEL PRIOR TO SWIMMING FROM IT.  ALCOHOL CONTRIBUTED TO POOR DECISION.;