Welcome to this private, one-of-a-kind expanded Colonial in the highly sought-after Hamlet of Fort Salonga, set on a beautifully landscaped acre behind a gated entrance. This 5-bedroom, 4.5-bath residence offers the perfect blend of luxury, space, and functionality. Designed for both everyday living and entertaining, the home features a spacious, open floor plan with a formal living room, dining room, and a sunken den with a gas fireplace. The expansive chef's kitchen with state of the art appliances is complemented by two butler's pantries, radiant heated floors, and seamless access to approximately 2,000 sq ft of decking-creating effortless indoor-outdoor living. What truly sets this home apart is the opportunity it presents. With exceptional scale, solid construction, and thoughtfully designed layout this home is truly a one of a kind. Convenience meets versatility with laundry rooms on both the first and second floors, plus an attached 2-car garage with a second-story addition offering an additional 644 sq ft and private deck, Certificate of occupancy as accessory use for a one-family dwelling-ideal for guests, office space, or extended living. Resort-style outdoor amenities include a 20x40 heated in-ground pool with spa, equipped outdoor kitchen, and professionally landscaped grounds designed for privacy and relaxation. Additional features include a 50-year architectural roof, 24.5 kW Generac generator, Buderus gas heating system, 300+ amp electric, LED lighting, and an 8-year-young elevator providing access to all three levels. Ideally located just 1.9 miles to Sunken Meadow Parkway, 2.7 miles to the LIRR, and 4 miles to Northport Village, with easy access to beaches, golf courses, marinas, equestrian facilities, boutique shopping, dining, theater, and vineyards. This exceptional property offers not only privacy, luxury, and convenience-but the rare ability to create a home that is truly your owne see for yourself and fall in love.