Andrew Gildersleeve Octagonal Building

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.

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.

Mattituck is a station on the Main Line (Greenport Branch) of the Long Island Rail Road. It is located on Love Lane and Pike Street, north of New York State Route 25 in Mattituck, New York.

Mattituck is a hamlet and census-designated place (CDP) in Suffolk County, New York, United States. The population was 4,584 in 2023 according to the World Population Review. Located in the Town of Southold, Mattituck CDP roughly corresponds to the hamlet by the same name.

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.

Laurel is a census-designated place (CDP) roughly corresponding to the hamlet of Laurel in Suffolk County, New York, United States. It is located mostly within the Town of Southold, with a small portion in the Town of Riverhead. The population was 1,394 at the 2010 census.

David Tuthill Farmstead is a historic farm complex located at Cutchogue in Suffolk County, New York. It includes the main house, a one-story wash house, a privy, a one-story shop, a one-story garage, and a large barn with attached water tower. The original one story 1798 farmhouse has a five bay, center entrance, center chimney plan. Attached to the original farmhouse is a two-story wing built about 1880.It was added to the National Register of Historic Places in 1984.

Richard Cox House is a historic home located at Mattituck in Suffolk County, New York. It was originally constructed in 1826 in the Greek Revival style and extensively remodeled in the 1870s in the Italianate style. The house features a cupola atop a low hipped roof. Also on the property is a 1+1⁄2-story, Stick-style former carriage barn. It was added to the National Register of Historic Places in 1986.

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.

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.

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.