N.J. Stat. § 59:4-9: Unimproved and unoccupied portions of certain lands--immunity

Neither a public entity nor a public employee is liable for any injury caused by a condition of the unimproved and unoccupied portions of the tidelands and submerged lands, and the beds of navigable rivers, streams, lakes, bays, estuaries, inlets and straits owned by the State.

L.1972, c. 45, s. 59:4-9.