87 Castle Hill Court A rare opportunity to own one of Southampton's most distinctive private compounds. Situated on approximately 5 acres, this extraordinary contemporary estate features two architecturally striking residences with a combined living area of approximately 10, 500 square feet, dual swimming pools, exceptional privacy, and remarkable future potential. Experience exceptional luxury and privacy on this remarkable 5-acre Southampton estate featuring two contemporary residences, each with its own heated swimming pool. The main residence offers approximately 7, 500 SF of thoughtfully designed living space with 5 spacious bedrooms, 6 full bathrooms, soaring ceilings, dramatic walls of glass, custom finishes, expansive entertaining areas, and seamless indoor-outdoor living. A separate 3, 000 SF guest residence features 4 bedrooms and 3 full bathrooms, providing the perfect accommodation for extended family, guests, or private retreats. Surrounded by mature trees for complete privacy, the property showcases expansive terraces, resort-style outdoor spaces, and beautifully landscaped grounds. A private on-site well supplies the property's water, contributing to exceptionally low annual property taxes of approximately $10, 000. An additional approximately 3 acres offer outstanding future potential, subject to buyer verification and municipal approvals, for possible subdivision, additional development, recreational amenities, or other permitted uses. Ideally located just minutes from Southampton Village, world-renowned ocean beaches, championship golf courses, fine dining, wineries, and upscale shopping. This rare compound presents an exceptional opportunity as a year-round residence, luxury vacation retreat, or multigenerational estate in one of the Hamptons' most desirable locations.