N.J. Stat. § 10:1-3

No owner, lessee, proprietor, manager, superintendent, agent or employee of any such place shall directly or indirectly refuse, withhold from, or deny to, any person any of the accommodations, advantages, facilities or privileges thereof, or directly or indirectly publish, circulate, issue, display, post, or mail any written or printed communication, notice or advertisement to the effect that any of the accommodations, advantages, facilities and privileges of any such place shall be refused, withheld from, or denied to, any person on account of race, creed, color, national origin, ancestry, marital status or sex, or that the patronage or custom thereat of any person belonging to or purporting to be of any particular race, creed, color, national origin, ancestry, marital status or sex, is unwelcome, objectionable or not acceptable, desired or solicited; provided, however, that nothing herein contained shall be construed to bar any place of public accommodation which is in its nature reasonably restricted exclusively to individuals of one sex, and which shall include but not be limited to any summer camp, day camp or resort camp, bathhouse, dressing room, swimming pool, gymnasium, comfort station, dispensary, clinic or hospital, or school or educational institution which is restricted exclusively to individuals of one sex, from refusing, withholding from or denying to any individual of the opposite sex any of the accommodations, advantages, facilities or privileges thereof on the basis of sex; provided further, that the foregoing limitation shall not apply to any restaurant as defined in R.S. 33:1-1 or place where alcoholic beverages are served. Amended by L.1945, c. 168, p. 587, s. 1; L.1970, c. 80, s. 1, eff. June 2, 1970.