Individuals and groups came from New York City and the surrounding vicinity to camp along the water in tent colonies. An outdoor amphitheater was created with a large seating capacity and outstanding acoustics. An indoor auditorium was built, which was utilized for entertaining visitors at the camp meetings. In 1887, Atlantic Highlands was incorporated as a borough, containing of land bordering on the Raritan Bay. Major construction occurred from the 1880s through 1900. It included hotels, cottages, rooming houses, and private homes. A pier was built extending well into the bay to accommodate steamboats from New York City. The next twenty years saw rapid development within the community. A water and sewer system was constructed, cottages were erected, and the road system was completed. During this period of development a fire department was organized. A number of churches saw their beginning in the 1880s: the Central Baptist, First Presbyterian, Saint Agnes Roman Catholic, First Methodist, and Saint Paul Baptist Church. Atlantic Highlands became a haven for bootleggers during Prohibition. Steamer service was the most important transport during the formation of the borough, and continued through the 1940s. In the 1890s, rail service came to Atlantic Highlands. This opened up Highlands and points south to vacationers. The 1920s saw 26 passenger trains daily passing through the Borough. The Central Railroad of New Jersey built a major pier at the end of First Avenue. Several trains at a time could continue to the end of the pier to offload steamboat passengers. From the 1910s through the 1940s, the steamers "Sandy Hook" and the "Monmouth" navigated the waters bringing businessmen and vacationers to Atlantic Highlands. The Manhattan skyline can be seen from the borough's ridges and its shoreline. Pleasure, fishing and commuter boats sail from its harbor. The municipal harbor was built from 1938 through 1940 with municipal, state, and federal funds. It is the largest on the East Coast, home to 715 craft, including high-speed ferry service to New York City, which was introduced in 1986. In 1966, the Central Railroad of New Jersey pier was destroyed by fire. Its rail route is now used by the Henry Hudson Trail. The bungalows on the East Side of the borough, which in the 1920s were summer bungalows, are now occupied year-round. Portland Pointe, a five-story senior citizens building, provides housing for the elderly. According to the United States Census Bureau, the borough had a total area of 4.562 square miles (11.815 km2), including 1.289 square miles (3.339 km2) of land and 3.273 square miles (8.476 km2) of water (71.74%).