This spectacular bay front gem is set on over an acre, offering 152 +/- feet of frontage on Shelter Island Sound and a 140 +/- foot deep water dock. The unobstructed east facing views of the bay include the Mashomack Nature Preserve. This 5,179 +/- sq. ft. home (plus 3,000 +/- sq. ft. finished basement) features the modern design of Mark Matthews and incorporates the finest materials with the most up-to-date technology. The home offers six bedrooms and nine bathrooms (seven full and two-half ). The thoughtful interplay between indoor and outdoor spaces creates a Zen-like atmosphere throughout. The family room includes a wall of floor- to-ceiling sliding glass doors that open wide to an al fresco veranda. The open living room features a copper-surround fireplace and extra large glass sliders, which frame the panoramic water vistas. The huge finished basement has 10-foot ceilings, large recreation space, fireplace, exercise room and a wine cellar. This extraordinary property also features a private bay beach, waterside gunite saltwater pool and spa, cabana with an outdoor kitchen and a two-car garage.