Welcome to DeMarco Development and RRL Architecture & Design's latest custom home. This stunning, designer-finished, property is currently being constructed in North Haven's desirable Bay Haven community. Currently underway, this 4,100 sq. ft. residence combines modern luxury with a refined retreat ambiance, featuring an open-concept layout that flows seamlessly through five spacious bedrooms and four and a half baths. The first floor showcases a spacious great room overlooking the private garden, an open plan kitchen with a charming breakfast nook, and a cozy den for intimate gatherings. Off the foyer, a glass atrium staircase binds the remaining levels, and floods the home with light. The primary bedroom, located exclusively on the mezzanine level, offers generous separation from the rest of the home and views of the manicured grounds below. Upstairs, two additional guest suites complete this level, offering comfort and privacy for family and friends. The finished lower level includes 2 bedrooms which share a full bath, a gym and media room with convenient 1-car garage access, adding to the home's functionality. Set on a lush 0.40-acre lot, the outdoor space boasts a pristine 14' x 32' gunite pool with lounge, outdoor shower and multiple terraces-perfect for relaxation and entertaining. Enjoy the waterfront community's 2 private beach accesses, and the conveniences of living just outside of Sag Harbor Village.