Perfectly situated South of the Highway in the prestigious Atterbury Hills enclave, this residence offers a quintessential Hamptons lifestyle with beach access just steps away. Five minutes to the Village of Southampton and ten minutes to world-class ocean beaches, the location provides the perfect balance of convenience and coastal serenity. The ground level features two guest bedrooms, a full bath, laundry, a sauna, and a one-car garage. A short flight up leads to a thoughtfully designed junior primary suite, defined by large picture windows and warm natural wood accents. The heart of the home is an open-concept kitchen, living, and dining area anchored by a classic wood-burning fireplace. This level is flooded with natural light from its southern exposure toward Shinnecock Bay and includes a powder room and sliding glass doors that open to an inviting deck and terrace. The secluded primary suite occupies its own private level, boasting an abundance of sunlight and a balcony with partial water views. Explore the home's expansion possibilities, offering the potential to further capture and enhance the surrounding water vistas. Sited on over an acre, the grounds offer privacy framed by mature specimen trees, while the heated gunite pool and spa create the ultimate setting for summer enjoyment. This is a rare opportunity to customize a private estate in a premier beachside location.