Dix Hills is an affluent hamlet and census-designated place on Long Island in the town of Huntington in Suffolk County, New York. Dix Hills and its neighbours Wyandanch and Melville, along with the area known as Sweet Hollow, proposed to incorporate as a single village. The village would have been called the Incorporated Village of Half Hollow Hills. The hamlet of Dix Hills has a total area of 15.9 square miles.
Dix Hills is located centrally on Long Island, on the southern edge of Huntington, bordering the town of Babylon. To the northwest is the South Huntington, to the north is Elwood, Brentwood to the east, Deer Park to the south, to the southwest is Wyandanch and Melville to the west.
Many highways run throughout Dix Hills. One of them is the East Jericho Turnpike, which forms a natural border to the north. Deer Park Road and East Deer Park Road forms a V-shape and can be accessed through East Jericho Turnpike. Deer Park Avenue then exits towards the south intersecting along the way the thoroughfare of Northern State Parkway, and Long Island Expressway. The Long Island Expressway passes almost straight through the middle of the hamlet, almost the same as the Northern State Parkway 3 kilometres north.
Dix Hills is home to John Coltrane Home on Candlewood Path. Otsego Park, to the east of John Coltrane home, is a popular kids’ park for sports activities that occupies the southeast area of the border. Recreational places such as Dix Hills Ice Rink, Dix Hills Park Pool, Winston Preparatory School- Long Island, and Deforest Nature Park can be accessed by Deforest Road between Northern State Parkway and Vanderbilt Parkway. Towards the east of Vanderbilt Parkway are Colby Drive Park, Rolling Hill Park, and Commack Middle School.
There are two school districts serving Dix Hills, the Half Hollow Hills Central School District and the Commack School District. Dix Hills is also home to Five Towns College. Dix Hills is part of the Half Hollow Hills Community Library.
Central Long Island Marker marking the hamlet as the geographical center of Long Island is located on a road named Unnamed Road.
Dix Hills Coordinates: 40°47′46″N 73°20′4″W