Pine Beach is a borough in Ocean County, in the U.S. state of New Jersey. As of the 2020 United States census, the borough's population was 2,139, its highest ever decennial count and an increase of 12 from the 2010 census count of 2,127, which in turn reflected an increase of 177 from the 1,950 counted in the 2000 census. Pine Beach was incorporated as a borough by an act of the New Jersey Legislature on February 26, 1925, from portions of Berkeley Township.