Brand new in the coveted Amagansett Lanes, this custom residence co-designed by visionary designers Nilay Oza and Peter Sabbeth is a striking expression of architectural excellence. Defined by soaring proportions, extraordinary volume, and an uncompromising attention to detail, the home features five ensuite bedrooms, five full baths, and two half baths, showcasing architectural elegance and a chic modern aesthetic throughout. Upon entry, the home immediately impresses with a dramatic sunken living room, finished in sophisticated grey porcelain tile and framed by custom Starfire glass and expansive floor-to-ceiling Marvin Modern Line windows that flood the interiors with natural light while creating a seamless connection to the surrounding landscape. The open-concept design flows effortlessly into the dining area and custom chef's kitchen, where striking black Miele appliances are paired with a dramatic quartzite island and matching backsplash, complemented by sleek Dekton countertops throughout the remaining workspace. Designed for effortless indoor-outdoor living, the kitchen opens directly to the covered entertaining spaces, pool area, and landscaped grounds. A privately situated ensuite guest bedroom completes the main level. Upstairs, the expansive primary suite serves as a private retreat alongside two additional ensuite guest bedrooms. The spa-inspired primary bath is highlighted by a sculptural soaking tub, an all Calcutta marble custom sink, and refined finishes that evoke the feel of a luxury resort. The fully finished lower level offers an additional ensuite bedroom, a spacious recreation area, generous walk-in closet space, and a beautifully appointed living area. The lower level has additional private access through sliding doors with patio. The 4500 +/- SF interior finishes showcase wide-plank European white oak flooring, custom solid white oak staircases, and custom Terrazzo stone flooring throughout every bathroom. Thoughtfully curated baths feature wall-to-ceiling Venetian plaster, premium Elemento fixtures, Trueform custom stone sink details, and a sculptural soaking tub in the primary suite, while select spaces are further enhanced with a custom pedestal Calcutta sink, a custom powder room, and Kohler fixtures. Set on .32+/- acres, Outdoor amenities include a heated 20' x 40' saltwater gunite pool with an automatic cover, a custom pool house with a changing area and half-bath, grey porcelain tile flooring, an outdoor shower, covered entertaining spaces, an attached two-car garage, and professionally designed landscaping that enhances both privacy and serenity.Every element of 27 Meeting House has been meticulously considered-from its striking architecture and artisan finishes to its seamless indoor-outdoor flow-creating an extraordinary offering that embodies the very best of modern Hamptons living. Perfectly positioned in the heart of Amagansett, moments from the village, renowned ocean beaches, and exceptional dining, this is a rare opportunity to own a truly custom home where timeless design meets effortless luxury.