Located in "Green Lawns", the Shelter Island estate section established during the late 1800s, this expansive shingle-style traditional is sited on rarely found 3.1 sound front acres, with over 340+/- feet of sandy beach and dock. With vivid sunsets and advantages of prevailing southwest breezes, the property exudes "summer." The main house, which is 5,100+/- sq. ft., offers 4 bedrooms, which include a spacious master suite with water views, great room, family room, formal dining, 2nd floor library and billiards room. Adjacent is a 1,900+/- sq. ft. guest house which also has incredible water views, living room and fireplace, full kitchen, three bedrooms, two baths. Set alongside the waterfront is a 20' x 50' heated gunite pool surrounded by gardens. With a gentle elevation with sumptuous water views all around, this property is quintessentially Shelter Island.