This 73,990 SF former school and administration facility, situated on 20.04 acres, offers a rare large-scale opportunity in the heart of Stony Brook. The property is centrally located just minutes from Stony Brook Village, Stony Brook University, and Stony Brook University Hospital, placing it within one of Long Island’s most established academic and medical corridors. Positioned near Nicolls Road, the site provides excellent regional connectivity with easy access to major highways, including Route 347 and the Long Island Expressway. The expansive acreage, existing infrastructure, and strategic location make this an ideal setting for educational, medical, research, administrative, or campus-style redevelopment. This property presents exceptional potential for users or developers seeking a versatile, institutionally connected site in a high-demand market.