Introducing the Hamptons' largest equestrian compound inclusive of a private horse farm with boarding facilities, riding, jumping, and polo rings, and a remarkable custom built main residence. The custom 20,000 SF+/- home, built by the renowned Jeffrey Coll, offers breathtaking western-facing views of protected farmland and reserve, delivering sprawling sunset views. Situated on three expansive land parcels totaling 80 acres+/-, the property offering also includes a private farm with boarding stables and training facilities, making it a true sanctuary for equestrian enthusiasts. The residence features 8 bedrooms, 9 full bathrooms, and 4 half bathrooms, all adorned with the rarest, custom finishes and state-of-the-art amenities including a pool, pool cabana, sunken tennis court, and more.