A Rare 21-Acre Opportunity in the Heart of Water Mill’s Equestrian Country. Positioned amid the rolling fields and iconic polo grounds of Water Mill, this extraordinary 21-acre agricultural reserve offers a once-in-a-lifetime chance to create your own legacy estate. With the right to clear up to 50% of the land and a long list of permitted uses, this property opens the gate to a future defined by vision and possibility. Whether you’re an equestrian aficionado seeking proximity to the Hampton Classic, a vintner inspired by the South Fork terroir, or a steward of the land with a dream of organic farming or timber cultivation, this land delivers both provenance and potential. Poised on a quiet country lane, the parcel overlooks a pristine 49-acre agricultural reserve, providing sweeping views and an uninterrupted sense of space and serenity. Tucked away yet minutes to Bridgehampton, Southampton, and Sag Harbor villages, world-class golf, and Atlantic beaches, the location is as coveted as it is central.