Welcome to 251 W Third St, a newly built corner townhouse on South Boston’s coveted West Side, moments from the Seaport, South End, dining, and parks. With over 2,000 sq ft, this corner end-unit is bathed in natural light from 30 windows and lives like a single-family home, offering 3 bed + a study/4th bed, 3.5 baths, and a private garage with additional exterior tandem parking. Built by a renowned Back Bay/South End builder, the residence offers timeless design with a functional plan. A spacious living/dining area is equipped with a fireplace and opens to a sleek kitchen with grey wood grain cabinetry, Thermador appliances, a large pantry, and a center island. A full-floor primary suite impresses with a spa-like bath including a dual-shower wet room and soaking tub, plus an adjacent study/nursery. Upstairs, find two additional bedrooms with en-suite baths, laundry, and stairs leading to an expansive corner roof deck with panoramic city and Seaport views. Complete and ready to move in!