Fort Hill Estate

Fort Hill Estate is a historic estate located at Lloyd Harbor in Suffolk County, New York. The estate home is a monumental brick and limestone Tudor Revival style structure built as a summer home in 1879, and enlarged in 1900. It is a three-story mansion with an irregular, asymmetrical and sprawling plan which is roughly C-shaped. It features a conical tower built as part of the original structure, designed by McKim, Mead, and White. Also on the estate are a formal garden, a water tower, a superintendent's house, two garages, and a cottage.

It was added to the National Register of Historic Places in 1988.