Keith Viagas, age 63, of Noyac, a hamlet of Southampton, was found around 11:45 a.m., Monday, Aug. 9.
According to Lt. Susan Ralph, of the Southampton Police, a caller reported a man floating on the shoreline of Sag Harbor Cove.
Police responded to the area and found Viagas on the coastline, Ralph said.
His body was transported to the Suffolk County Medical Examiner's Office to determine a cause of death.
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