271 Marine Boulevard is an exquisite 1 acre+/- oceanfront estate boasting an elegant 3,656 SF+/- residence with 5 bedrooms, 4 full and 1 half bathrooms, heated pool, private boardwalk, and 100' of frontage. The light-filled second level is the main entertaining space and offers expansive ocean views from the open-concept living room with its wood-burning stone fireplace and sliding glass doors to a massive oceanside terrace. The eat-in kitchen, complete with a large center island and high-end appliances, adjoins to a dining area with sunroom and poolside terrace access. The primary en-suite bedroom features a private oceanfront terrace, walk-in closet, powder room, and elongated primary bathroom with dual vanities and large shower. The first level incorporates 4 guest bedrooms including one en-suite, 2 full bathrooms, laundry, and storage. A rooftop viewing deck delivers sweeping views of the expansive blue-green Atlantic waters. Gracing the home's west side, a 12' x 32' heated pool sits adjacent to ample outdoor living and dining space connected to a private boardwalk stretching to the water's edge. Situated at the end of a secluded cul-de-sac, this south of the highway estate is set within the prestigious Gansett Dunes subdivision, just 5 miles+/- from East Hampton shops and fine dining and surrounded by nature trails and outdoor activities.