ROCKLAND — Eastern Tire & Auto Service, Inc. is a supporter of the Rockland Harbor YMCA, branch of the Penobscot Bay YMCA. The Rockland Harbor YMCA is expected to open Dec. 1 at 12 Water St. in the former Almalfi Restaurant space. At left, Alvin Chase of Eastern Tire Service shakes hands with Troy Curtis, Penobscot Bay YMCA executive director.