The Coast Guard is currently searching for an overdue boater in the vicinity of Groton Long Point, Conn. Coast Guard Sector Long Island Sound receivedĀ a report at 5:30 p.m. on Friday that Matthew Lyon, 49, had departed from Groton Elks Lodge and Marina in Groton, Conn., at 2:30 p.m Friday in a 14-foot dinghy and had not returned.