Escape to your own private oasis at 10 Saint Mary's Lane, a timeless estate perfectly situated between the prestigious Indian Wells Beach and the heart of Amagansett Village. This stunning 8-bedroom, 8-full bath, 3-half bath residence spans over 8,800+/- sq. ft. of luxurious living space, nestled on 1.2+/- acres of meticulously landscaped grounds. As you enter through the dramatic double-height foyer, you're greeted by a grand great room adorned with a two-sided fireplace, drenched in natural light from the surrounding windows. The expansive Chef's kitchen, complete with marble countertops, custom cabinetry, and top-of-the-line appliances from Wolf, Miele, and Sub Zero, seamlessly transitions to the dining area and enclosed porch with another fireplace, perfect for indoor-outdoor entertaining. The main level also features an ensuite guest bedroom, powder room, laundry room, and mudroom with access to the three-car garage. Upstairs, four generous bedrooms await, three of which are ensuite, along with a half bathroom and access to a roof deck offering glimpses of the nearby Atlantic Ocean. The South wing boasts a spacious family room or bedroom with a full bathroom, executive office/study, and a luxurious primary suite complete with a private terrace, sizable walk-in closet, and spa-like bathroom featuring marble accents and a soaking tub. Step outside to discover a resort-style outdoor space, featuring an oversized heated gunite pool with lounge shelf and raised spa, outdoor lounge area with fireplace, pool house with a half bathroom, and outdoor shower. Nestled in the prestigious Amagansett South estate section, 10 Saint Mary's Lane offers unparalleled privacy on a private road with an expansive center lawn reserved for residents. Enjoy easy access to the finest restaurants and shops in Amagansett, with East Hampton and Montauk just minutes away. Whether you're unwinding by the pool or taking in the ocean breeze from the rooftop deck, this exquisite estate offers the ultimate retreat for luxurious coastal living.