Welcome to this brand-new custom colonial nestled in the sought-after Bay Shore/Brightwaters community, just steps from the Great South Bay and the Bay Shore Yacht Club. Situated south of Montauk on a beautifully landscaped 0.17-acre lot backing up to Gardiner's County Park nature preserve. This 3-bedroom, 2.5 bath home offers first floor primary quarters with the perfect blend of luxury, functionality, and location. Inside, you'll find gorgeous hardwood floors throughout, custom moldings, and a spacious open floor plan filled with natural light from thoughtfully placed windows and Slider. The chef's kitchen features high-end appliances, premium countertops, and your choice of finishes to personalize your dream space. The living area is anchored by a cozy gas fireplace--ideal for entertaining or relaxing nights at home. Upstairs and down, the home is equipped with 2-zone gas forced air heat and central air. The first floor primary suite offers generous ceiling height, spa-like bath, and ample closet space. Additional highlights include: Energy-efficient systems and appliances, Washer/dryer hookup, One-car garage with automatic opener and bonus room, Blacktop driveway, Patio/deck options, Fully seeded or sodded yard. This is a rare opportunity to build your dream home in one of the South Shore's most beloved neighborhoods. Personalize the finishes and make it your own--house is up and ready to be seen!