The mansion was built in 1917 in the French Provincial style for Lousine Peters and her husband Harold H.

[2] It was designed by architect Grosvenor Atterbury (1869–1956) and is an L-shaped structure built of concrete block.

Also on the property are two garages, greenhouse, barrel vaulted dovecote, and entrance pillars from South Bay Avenue.

The 70-acre property is adjacent to the Seatuck National Wildlife Refuge and the Islip Town Beach.

Trails and boardwalks allow visitors to view different ecosystems, including salt marsh, freshwater wetlands and mature upland forest.