For the first time in decades, a rare 15.18± acre land-only parcel within the legendary Atterbury Estate in prestigious Southampton, New York, is available for purchase. This is an exceptional opportunity to create a legacy compound or pursue subdivision and development potential in the rolling hills of Shinnecock Hills, part of the Hamptons' renowned summer enclave on Long Island's South Fork. The 15.18± acre southeast parcel consists of rolling, wooded raw land offering privacy, natural beauty, and remarkable flexibility. With its elevation, mature trees, and serene topography, the parcel provides a pristine canvas for a future estate or multiple residences, subject to approvals. Many subdivision possibilities exist for this parcel alone or in conjunction with the neighboring improved parcel. The land is adjacent to the historic Atterbury Estate, originally designed with landscape influence from Frederick Olmsted, the father of American landscape architecture. Jogging trails and natural pathways wind through the broader estate, and the setting offers the tranquility of wide-open spaces just minutes from world-class amenities. Located approximately 4 miles± to the beach, 3.5 miles± to Southampton Village's shopping and fine dining, 2.8 miles± to Sebonack Golf Club, and 89 miles± to Manhattan, this parcel offers both seclusion and convenience. Note: A separate 14.68± acre improved parcel-featuring the fully renovated 12,601± sq ft Grosvenor Atterbury residence and all estate structures-is also available. NOW AVAILABLE FOR THE FIRST TIME: Can be purchased as single and separate properties. A separate 14.68± acre with Atterbury compound is also available, as well as a combined offering encompassing the full 30± acre Atterbury Estate.