How to reach: To reach the tidal bench marks from New York City, proceed east on Long Island Expressway for 35 km (22 mi) to State Highway 110, go north on State Highway 110 to Huntington Harbor in Huntington, then continue by boat along the privately maintained harbor channel for approximately 4.0 km (2.2 nm) to Lloyd Harbor. The bench marks are in the lighthouse foundation and in the boulders surrounding the lighthouse base. The tide gauge and staff were located 9 m (30 ft) SW of the lighthouse.
