Coney Island Creek is a 1.8-mile-long (2.9 km) tidal inlet in Brooklyn, New York City. It was created from a series of streams and inlets by land filling and digging activities starting in the mid-18th century which, by the 19th century, became a 3-mile-long (4.8 km) continual strait and a partial mudflat connecting Gravesend Bay and Sheepshead Bay, separating Coney Island from the mainland. The strait was closed off in the early 20th century due to further land development and later construction projects. Today only the western half of Coney Island Creek exists.

Sheepshead Bay is a neighborhood in southern Brooklyn, New York City. It is bounded by Ocean Parkway to the west; Avenue T and Kings Highway to the north; Nostrand Avenue and Gerritsen Avenue to the east; and the Atlantic Ocean to the south. Sheepshead Bay is abutted by the neighborhoods of Brighton Beach and Homecrest to the west; Midwood to the north; and Gerritsen Beach to the east.