Bailey Arboretum

Locust Valley Cemetery is a non-denominational cemetery located in Locust Valley, New York, in Nassau County. The cemetery was founded in the nineteenth century and designed by John Charles Olmsted and Frederick Law Olmsted Jr., renowned architects of Central Park. They are the sons of the famed landscape designer Frederick Law Olmsted. The two brothers were among the founding members of the American Society of Landscape Architects (ASLA). Locust Valley Cemetery is situated on over 32 lushly landscape acres with a park-like setting. The cemetery is owned by its plot holders and managed by an association.

Locust Valley High School is a public high school located in Lattingtown, Nassau County, New York, U.S.A., and is the only high school operated by the Locust Valley Central School District. As of the 2014–15 school year, the school had an enrollment of 716 students and 45.3 classroom teachers (on an FTE basis), for a student–teacher ratio of 15.8:1. There were 81 students (11.3% of enrollment) eligible for free lunch and 21 (2.9% of students) eligible for reduced-cost lunch.

The Underhill Burying Ground is a cemetery located within the Village of Lattingtown, in the Town of Oyster Bay in Nassau County, New York. The cemetery has been in continuous operation since the burial of Captain John Underhill in 1672. The Underhill Burying Ground is governed by the Underhill Burying Ground, Inc., a non-profit organization, incorporated under the laws of the State of New York.

George Underhill House, also known as Wayside, is a historic home located at Locust Valley in Nassau County, New York, USA. It is a rambling U-shaped wood-frame house with 1-, 1+1⁄2- and 2-story sections dated to about 1790. The original section is a 1+1⁄2-story timber-frame structure with a moderately pitched gable roof. Also on the property is a 1+1⁄2-story, wood-frame tenant house.It was listed on the National Register of Historic Places in 2003.

Cock-Cornelius House, also known as Wyckoff-Underhill House, is a historic home located at Locust Valley in Nassau County, New York. It is a 1- to 2+1⁄2-story, "U" shaped wood-frame dwelling sheathed in wood shingles. The main block is 2+1⁄2 stories and five bays wide. The oldest section of the house is dated to the Federal period, about 1790. The house was expanded in the 1840s and in the 1920s-1930s.It was listed on the National Register of Historic Places in 2006.

Lattingtown is a village located within the Town of Oyster Bay in Nassau County, on Long Island, in New York, United States. The population was 1,881 at the 2020 census.

Matinecock is a village located within the Town of Oyster Bay in Nassau County, on Long Island, in New York, United States. The population was 810 at the 2010 census.

Locust Valley is a hamlet and census-designated place (CDP) located in the Town of Oyster Bay in Nassau County, on the North Shore of Long Island, in New York, United States. The population was 3,406 at the 2010 census.

The John P. Humes Japanese Stroll Garden is a 7-acre (28,000 m2) Japanese garden in Mill Neck, New York, providing a retreat for passive recreation and contemplation.

Portledge School is an independent college-preparatory day school located in Matinecock, New York with over 500 students in nursery through 12th grade (2023–2024 school year).

Locust Valley is a station along the Oyster Bay Branch of the Long Island Rail Road. It is located at Birch Hill Road and Piping Rock Road, south of Forest Avenue, Locust Valley, New York.

Mill Neck is a former rail station along the Oyster Bay Branch of the Long Island Rail Road. It is located between Oyster Bay and Locust Valley stations. As of 2023, the historic former station depot is home to Mill Neck's village hall, post office, and police substation.