It is enclosed on the west by the New Jersey cities of Newark and Elizabeth, and on the east by Jersey City and Bayonne. It is enclosed on the south by Staten Island.
It contains Shooters Island, which is part of the borough of Staten Island.
Although a shallow tidal estuary, it is periodically dredged to accommodate ocean-going container ship access to Port Newark-Elizabeth Marine Terminal along its western side.
It is spanned by the Newark Bay Bridge connecting Jersey City and Newark.
Port Newark, on NewarkBay, is among the nation’s largest ports for containerized cargo and is a major unit of the Port Authority of New York and New Jersey.
Newark International Airport, among the busiest in the country, is one of the three key airports in the New York City metropolitan area.
From 1840 to 1870, Newark’s population increased from 17,290 to 105,000.
NewarkBay is part of the New York/New Jersey Harbor Estuary, which is in the center of one of the most urbanized and industrialized parts of the nation.
NewarkBay itself is approximately six miles long and one mile wide and is located at the confluence of the Passaic and Hackensack Rivers between the shores of Newark and Elizabeth to the west, Jersey City and Bayonne to the east, and Staten Island to the south.
Port Newark, one of the nation's largest ports for containerized cargo, is located on the western shore of NewarkBay and is used to transfer goods from cargo vessels to rail and truck lines serving the area.