Mackay Estate Gate Lodge is a historic gatehouse located at East Hills in Nassau County, New York. It was designed in 1899 and built in 1900 - 1902 by noted architect Stanford White of McKim, Mead & White in the French Baroque style. It is a small but imposing stone building with a central entrance flanked by small square lodges and topped by a steep slate mansard and pyramidal roof. The central vehicular entrance contains a wrought iron gate of elaborate design. The house was originally a component of Clarence Mackay's Harbor Hill Estate.It was listed on the National Register of Historic Places in 1991. It is one of three remaining buildings listed at that time; the others are the Mackay Estate Dairyman's Cottage and Mackay Estate Water Tower.
