Nissequogue River State Park

The Nissequogue River is an 8.3-mile (13.4 km) long river flowing from Smithtown, New York into the Long Island Sound.Its average discharge of 42.2 cubic feet per second (1.19 m3/s) is the most of any of the freshwater rivers on Long Island.The river, like all other freshwater rivers on the island, is totally derived from groundwater (not from lakes).

The Kings Park Psychiatric Center, known by Kings Park locals as "The Psych Center", is a former state-run psychiatric hospital located in Kings Park, New York. It operated from 1885 until 1996, when the State of New York closed the facility, releasing its few remaining patients or transferring them to the still-operational Pilgrim Psychiatric Center.

Kings Park is a hamlet and census-designated place (CDP) in the Town of Smithtown, Suffolk County, New York, United States, on Long Island. The population was 17,282 as of the 2010 census.It is an unincorporated hamlet of Smithtown, New YorkIt is bordered by Nissequogue to its east across the Nissequogue River, by Fort Salonga to its west, by Commack to its southwest, and by the hamlet of Smithtown to its southeast.

Nissequogue River State Park is a 521-acre (2.11 km2) state park located on the banks and bluffs of the Nissequogue River in Kings Park, New York. The park was opened in 2000, and established on the waterfront portion of the former Kings Park Psychiatric Center.The name of the park was originally assigned to what is today the Caleb Smith State Park Preserve.

Obadiah Smith House is a historic home located at Kings Park in Suffolk County, New York. It was built about 1708 and is a two-story, heavy timber frame, five-bay center entrance dwelling, with a side gable roof and interior end chimneys. It is operated as a house museum by the Smithtown Historical Society.