Discover serene waterfront luxury with this brand-new construction by the prestigious Paramount Development Group. Set within a private, quiet neighborhood, you can also arrive by boat to your private dock after a day in Sag Harbor Village or Shelter Island. 33 Mashomuck Drive is an exquisite home that offers a rare opportunity to own a premier waterfront retreat, it is the ultimate in Hamptons living. Sitting on 0.79 acres, the property boasts breathtaking views of the bay and harbor as the outdoors becomes indoors thanks to massive nano glass doors that open out to the water, ensuring a tranquil and picturesque setting. The contemporary 2-story home spans 7,214 +/- sq. ft. with 7 bedrooms, 8.5 baths, and a rare waterside pool. Meticulously designed, the interior showcases an open kitchen with marble countertops, stainless steel Wolf and Subzero appliances, and an elegant entry foyer leading to a spacious great room, family room, and study. The ensuite primary is a luxurious sanctuary with modern bath and walk-in closet, plus a bonus room, gym, and private guest quarters. Outdoors, the property continues to impress with a 20'x60' heated gunite pool, spa, and expansive deck, perfect for lounging and entertaining. The finished lower level encompasses a full-on wellness center, complete with a cold plunge, sauna, steam room, massage area, and gym. Enjoy direct access to the bay, complete with deep water dock and electric. The attached 2-car garage and advanced heating and cooling systems ensure convenience and comfort year-round. Every detail of this home has been crafted to provide the ultimate luxury living on the shores of Sag Harbor. Enjoy the stunning sight of sunrises over the water, moonrises in the evening, and an unmatched view of the summertime sailboat races in the bay.