Oyster Bay is a hamlet and census-designated place on the North Shore of Long Island in Nassau County in the state of New York, United States. The hamlet is also the site of a station on the Oyster Bay Branch of the Long Island Rail Road and the eastern termination point of that branch of the railroad.
The community is within the Town of Oyster Bay, New York, a town which contains 18 villages and 18 hamlets.
The hamlet's area was considerably larger before several of its parts incorporated as separate villages.
Wikipedia https://en.wikipedia.org/wiki/Oyster_Bay_(hamlet),_New_York
Coordinates 40°52'21.187" N -73°31'49.858" E