This beautifully updated side-split offers the quintessential Southampton lifestyle, perfectly situated on a quiet cul-de-sac just a short walk to the sandy beach and featuring direct access to the scenic Rail Trail. The home has been meticulously maintained with a comprehensive list of high-end exterior improvements, including a newer roof, updated siding and insulation, and replacement windows and doors throughout the main and upper levels. At the heart of the open-concept floor plan is a stunning custom wood kitchen outfitted with quality appliances and a breakfast bar, flowing seamlessly into the dining and living areas with a walk-out to the rear grounds. The upper level hosts three spacious bedrooms, including a king-sized primary and a luxe main bathroom complete with a double vanity, soaker tub, and a separate tiled shower.The lower level serves as an ideal guest or family hub, featuring a fourth bedroom, a second full bathroom with laundry, and a generous family room anchored by a cozy wood-burning fireplace. For those seeking even more room, the basement offers excellent potential for additional living space or storage. Outside, the expansive pie-shaped lot transforms into a private "staycation" paradise; the backyard oasis is fully equipped for year-round enjoyment with a pool, sauna, hot tub, and a sheltered gazebo. Complete with a detached single garage, a concrete drive, and modernized mechanicals including a recently replaced furnace and water heater, this move-in-ready retreat is truly one of a kind.