Geography of New York–New Jersey Harbor Estuary USGS topographic maps. Many jurisdictional issues appear in U.S. law. Bi-state New Jersey New York Inter-state New York New York Bay East River Long Island Sound Bronx County Kings County Jamaica Bay islands New York County Upper Bay islands East River islands Queens County Jamaica Bay islands Richmond County Westchester County New Jersey New York Lower Bay Upper Bay East River Lower Bay Raritan Bay Jamaica Bay Arthur Kill Newark Bay Kill van Kull Upper Bay Hudson River East River One of the many duties of the Port Authority of New York and New Jersey is to develop trade interests
New Jersey v. New York New Jersey v. New York New Jersey v. New York, 523 U.S. 767 (1998), was a United States Supreme Court case in which it was determined that roughly 90% of Ellis Island was part of New Jersey rather than New York. An interstate compact had been signed between New York and New Jersey in 1834, prior to Ellis Island becoming a major immigration center. This compact granted New York the rights to all islands in the water channel separating the two states including both Ellis Island and Liberty Island, but granting New Jersey the rights to half of the water