Longwood Estate

Smith Estate
U.S. National Register of Historic Places
The Longwood Estate, in Ridge, New York, one of many structures on the Smith Estate property.
Show map of New York Show map of the US
Nearest city	Ridge, New York
Coordinates	40°52′5″N 72°54′24″W / 40.86806°N 72.90667°W / 40.86806; -72.90667Coordinates: 40°52′5″N 72°54′24″W / 40.86806°N 72.90667°W / 40.86806; -72.90667
Area	35 acres (14 ha)
Built	1790
Architectural style	Colonial Revival, Gothic
NRHP reference #	81000414
Added to NRHP	December 10, 1981

Smith Estate, also known as Longwood Estate - Smith House, is a historic estate located at Ridge in Suffolk County, New York. It is preserved and maintained by the Town of Brookhaven. The Longwood Estate is part of a huge parcel of land originally purchased by William "Tangier" Smith in the 17th century, which he called Manor St. George. The estate consists of a large, late 18th century main house (altered and enlarged during the 19th century), caretaker's cottage, a farm complex (of barns and sheds dating from the late 18th through early 20th centuries), the Smith family cemetery, and a small frame schoolhouse moved to the property in 1977.

It was added to the National Register of Historic Places in 1981.