David Tuthill Farmstead

Fort Corchaug Archeological Site is a prehistoric archaeological site in Cutchogue on eastern Long Island in New York State. It is located west of the North Fork Country Club, on the south side of Main Road (New York State Route 25). The site shows evidence of 17th century contact between Native Americans and Europeans. Fort Corchaug itself was a log fort built by Native Americans. It may have been to protect the Corchaug tribe from other Indians, built with the help of Europeans. Ralph Solecki, a prominent American archaeologist, grew up nearby and conducted several digs on site.It remains today one of the few undisturbed Native American fortified village sites in the North East. and was declared a National Historic Landmark in 1999. The 105-acre (42 ha) property where the fort is located is protected in part by a conservation easement owned by a local land trust, and is in part owned by the town of Southold as a nature preserve. Known as the Downs Farm Preserve, it is open to the public with hiking trails.The Corchaug tribe, also known as the Montaukett, originally had the land from the Nassau border to Montauk Point. Depradation by the Narragansetts of Connecticut and decimation from smallpox caused to tribe to leave their land in the South Fork and with the help of whites built forts to ward off attacks. Another fort still being excavated is Fort Hill (now in Montauk County Park) in Montauk Point, described as "one of the earliest and best for its time", it was placed on a 1658 map of Long Island.

The Old House is a historic home on State Route 25 in Cutchogue in Suffolk County, New York. It is "notable as one of the most distinguished surviving examples of English domestic architecture in America."

Joshua Wells House, also known as Wells-Fleet-Goldsmith-Kendrick House and 1680 House, is a historic home located at Cutchogue in Suffolk County, New York. It is a 1+1⁄2-story, timber-framed residence constructed about 1680 and extensively remodeled in 1815. The house has been moved twice and now sits on a brick foundation constructed during its last move in 1857.It was added to the National Register of Historic Places in 2002.

Cutchogue was a station stop along the Greenport Branch of the Long Island Rail Road. It was located on Depot Lane in Cutchogue, New York, a street that was named for the station.

New Suffolk is a census-designated place (CDP) that roughly corresponds to the hamlet by the same name in the Town of Southold in Suffolk County, New York, United States. The CDP's population was 403 as of the 2020 census.

New Suffolk School is a historic school building located at New Suffolk in Suffolk County, New York. It was built in 1907 and is a one-story, hip-roofed structure on a raised brick basement, with an engaged two-story central tower. Originally a two-room schoolhouse, it was expanded to three rooms in 1923. It features compound massing, complex roof form and eyebrow windows of the Queen Anne and Shingle styles and the Tuscan porch columns and oval windows common to the Colonial Revival style.It was added to the National Register of Historic Places in 2002.

Jesse and Ira Tuthill House is a historic home located at Mattituck in Suffolk County, New York. It was built in two stages, 1799 and 1841. The original two-room house was incorporated as a 1+1⁄2-story wing for the larger 2-story, nine-room house. The final 1841 house is a 2+1⁄2-story residence with a modestly pitched gable roof with a wide frieze running beneath the roof eave. It was added to the National Register of Historic Places in 2006. The Mattituck-Laurel Historical Society owns the 1799 Jesse Tuthill House and 1841 Ira Tuthill House and operates them as period historic house museums.

Holland Torpedo Boat Station is where the first United States Navy submarines were stationed for trials and training of submarine crews from 1899 to 1905. Holland Torpedo Boat Station was located in the hamlet of New Suffolk, New York. New Suffolk claims to be the first submarine base in the United States. The USS Holland was based at New Suffolk's Holland Torpedo Boat Station from 1899 to 1905. Seven submarines built by the Holland Torpedo Boat Company – Electric Boat Company were stationed at New Suffolk. Holland Torpedo Boat Station on Cutchogue Harbor was not designated a submarine base by the US Navy. The US Navy gave that title to Naval Submarine Base New London as the first submarine base. Naval Submarine Base New London was commissioned by the US Navy in 1916 as a dedicated submarine base.

Cutchogue ( KUTCH-og) is a hamlet and census-designated place (CDP) in Suffolk County, New York, United States, on the North Fork of Long Island's East End. The population was 3,349 at the 2010 census.The Cutchogue CDP roughly represents the area of the Cutchogue hamlet in the town of Southold.

Mattituck Airport (FAA LID: 21N) is a public use airport located one nautical mile (2 km) southeast of the central business district of Mattituck, a hamlet in the Town of Southold, Suffolk County, New York, United States. It is privately owned by Mattituck Airport, LLC.

The Andrew Gildersleeve Octagonal Building, also known as Mattituck, the Octagon House and Mattituck Octagon House, is an historic octagon house located at Main Road (NY 25) and Love Lane in Mattituck, New York. It was built in 1854 by Andrew Gildersleeve, a master carpenter, who used it for his family home as well as for a store. On August 19, 1976, it was added to the National Register of Historic Places.

Peconic is a census-designated place (CDP) that roughly corresponds to the hamlet by the same name in the Town of Southold in Suffolk County, New York, United States. The CDP population was 683 at the 2010 census.