RedactedNarrative: On 01/14/2015 at 1228 hours, SeaTow® vessel Captain contacted the United States Coast Guard (USCG), Brunswick station, reporting a partially submerged vessel in the Turtle River, near Quarantine Island.  Officers located the vessel at latitude 031°06.920’ north, longitude 081°28.440’ west, approximately 175 feet northwest of the private dock on Quarantine Island. Officers began a search of the area. Officers recovered Victim1 partially submerged in a supine position at latitude 031°07.050’ north, longitude 081°28.520’ west, approximately 1,000 feet northwest of Quarantine Island. Victim1 was brought aboard the USCG vessel; Fireman performed cardiopulmonary resuscitative measures. Victim1 was wearing a vest style personal flotation device, which was not zipped. The USCG vessel returned to the station dock at One Conservation Way in Brunswick, Georgia. 
  
  At 1405 hours I photographed the body of Victim1. I did not observe any indication of trauma. Deputy Coroner arrived on scene, examined Victim1 and pronounced time of death at 1431 hours. Wife told me Victim1 was leaving their residence on Quarantine Island to pick her up at the public boat landing located at the base of the Sidney Lanier Bridge. Wife said Victim1 was operating the Forcast vessel because their primary vessel was being repaired. Wife described Victim1’s extensive knowledge pertaining to vessel operation. 
  
  At approximately 1500 hours, the USCG vessel carried me to Quarantine Island, where I examined the their dock and vessel lift. I found the vessel lift control panel was in the “on” position. The vessel lift was partially submerged, lowered approximately four feet from the raised position level with the dock, approximately four feet above sea level. This indicated Victim1 lowered the lift to launch the vessel at the water level of the tide stage. On 01/14/2015, low tide at the USCG station was at 0926 hours. I estimated the time the incident occurred was approximately 1200 hours, two hours and thirty four minutes after low tide. Given the incoming tide, I estimate the water level was approximately four feet above sea level at the time of the incident. 
  
  On 1/14/2015 at approximately 1800 hours I spoke with Wife, she strongly objected to an autopsy of Victim1.
  
  Georgia Bureau of Investigation (GBI) Agent determined an autopsy would not be performed. cardiologist, confirmed victim’s history of heart disease.  
  
  I observed no significant damage to the vessel's structure and found no indication of collision. 
  
  On 3/09/2015, I obtained results of postmortem blood alcohol testing performed by GBI. Forensic Toxicologist reported gas chromatography tests resulted in an ethyl alcohol concentration of 0.398 (+/- 0.024) grams per 100 ml of blood. Estimations of measurement certainty are reported at 99% probability. 
  
  Based on my investigation, I find that Victim was operating the vessel while under the influence of alcohol. The stern of the vessel submerged while operating full throttle in reverse, possibly while launching the vessel from the dock lift. Victim entered the water after the stern of the vessel submerged. Victim was separated from the vessel by the current of the incoming tide. The cause of Victim's death is undetermined at this time. The Glynn County Coroner's report is pending at this time.