Sag Harbor is an incorporated village in Suffolk County, New York, United States, in the towns of East Hampton and Southampton on eastern Long Island. The village developed as a working port on Gardiner’s Bay. The population was 2,169 at the 2010 census.
The entire business district is listed as the historic Sag Harbor Village District on the National Register of Historic Places. A major whaling and shipping port in the 19th century, by the end of this period and in the 20th century, it became a destination for wealthy people who summered here. Some writers and artists also settled here.
Sag Harbor is about three fifths in Southampton and two fifths in East Hampton. Its landmarks include structures associated with whaling and its early days when it was designated as the first port of entry to the new United States. It had the first United States custom house erected on Long Island.
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Anchor eastward or northeastward of the end of the former ferry wharf, locally known as Long Wharf. A 5 mph speed limit is enforced.
Berths, electricity, gasoline, diesel fuel, storage, marine supplies, water, ice, launching ramps, and complete engine, hull, rigging, and sail repairs are available at Sag Harbor; a 30-ton mobile hoist, near the inner end of the breakwater, can haul out craft up to about 60 feet.
Sag Harbor, about 2.5 miles southwestward of the light on Cedar Point, is protected on the northeast by a breakwater marked at the outer end by a light. A spherical tank, a radio tower, and several flagpoles are prominent landmarks.
In entering Sag Harbor, do not round the breakwater too closely, as a depth of about 6 feet is found near its end.
In 1974, the dredged channel into Sag Harbor had a controlling depth of 8 feet (10 feet at midchannel) through the entrance to the turning basin, 9 feet in the turning basin, 5 feet in the southerly anchorage area, and 7 feet in the main anchorage area. In 1991, the channel was no longer being maintained. The channel to Sag Harbor Cove is about 8 feet deep; this channel and the cove are marked by private seasonal lights and buoys. A fixed bridge at the entrance has a clearance of 21 feet.