The died a few hours after being transported to Stony Brook University Medical Center for head injuries.
Kent F. Gaugler, 49, was driving a 2012 Harley-Davidson motorcycle on Three Mile Harbor Road when he left the roadway and hit a utility pole at the Gann Road intersection.
He is survived by three daughters and his wife. He owned and worked at Live Wire Welding & Steel on Three Mile Harbor Road in East Hampton.
Numerous friends told East Hampton Patch, Gaugler had died from his injuries. His wife Karen Marino-Gaugler's Facebook page included a note to friends thanking them for their support following his death.
Police Chief Ed Ecker said on Monday morning that doctors are preparing to harvest Gaugler's organs.
A passerby called in the accident at about 1:45 a.m., according to Chief John Claflin, who was the first emergency personnel on scene.
He was alone on the motorcycle.
Gaugler was transported to by the . According to the hospital, the man was transported to .
detectives continue to investigate the cause of the accident.