This stunning new construction residence offers approximately 8,000± square feet of refined living space, currently under construction on 3.25 exceptionally private acres in North Haven and set for late August completion. Designed by McDonough & Conroy, R.A., in collaboration with luxury builder Hampton Builders, Inc. and Fineo Development Group, the home features interiors by Leslie Norton Fineo of LNF Interiors and landscape design by renowned architect Dean Gomolka. Located at 80 Sunset Beach, this transitional masterpiece is slated for completion in Summer 2026. The home is thoughtfully designed for effortless entertaining, with an open-concept kitchen outfitted with Wolf and Sub-Zero appliances that flows seamlessly into a comfortable sitting area with fireplace and direct access to outdoor living spaces. The dramatic living room showcases an impressive hearth and fireplace, complemented by a soaring two-story window wall that fills the interior with natural light. French doors open to an expansive patio featuring a covered fireplace, pool bath, outdoor shower, and an 18' x 45' heated gunite pool-creating an ideal setting for outdoor entertaining and relaxation. The first floor includes a junior primary en-suite bedroom, a formal dining room with butler's pantry, a spacious four-unit laundry room, mudroom, powder room, foyer, and an attached garage. Upstairs, the expansive primary suite features a private terrace, two walk-in closets, and a luxurious spa-like bath with marble floors and radiant heat, deep soaking tub, oversized marble shower, dual vanities, and private water closet. Three additional en-suite guest bedrooms and a second laundry room complete the second level. The fully finished lower level offers exceptional luxurious amenities, including two additional bedrooms, catered to by a full bathroom. A central recreation and entertainment area, a private theater, office, and a large gym with sauna and cold plunge are catered to by either the full bathroom or central powder room. Ideally located in the Sag Harbor School District, this exceptional home is just moments from the beach, Sag Harbor Village, and Bridgehampton's renowned restaurants, shops, equestrian facilities, and wine country.