N.J. Stat. Ann. § 40:61-22.22

The governing body of any municipality may lease, or may acquire, in fee or less estate, by gift, devise, grant or purchase, any land or real estate and rights therein, improved or unimproved, within the county in which such municipality is located, for use as a public swimming pool and for such other recreational, playground, or public entertainment purposes and activities as it may determine to provide in connection therewith.