Surrounded by the Long Island Sound on three sides, this extraordinary waterfront compound has defined the southern tip of Shippan Point for more than a century. Set on a private peninsula, it offers the rare privilege of watching the sun rise over the Sound and set back into the water with the Manhattan skyline shimmering in the distance. Designed by Hunt & Hunt Architects and completed in 1914 for inventor Thomas Robins, the main residence has been thoughtfully renovated and modernized throughout, including new electrical and plumbing systems, an expanded eat-in chef's kitchen, and beautifully reimagined open living and dining spaces designed for both grand entertaining and everyday living. Exceptional fixtures, finishes, and craftsmanship complement the home's historic pedigree, while every room is carefully oriented to capture sweeping panoramic water views. The main level is further enhanced by a stunning solarium with fireplace, offering a year-round retreat immersed in the surrounding waterfront landscape. The second floor is anchored by a newly improved primary suite featuring a private balcony with panoramic views across the gardens and Long Island Sound, a luxurious spa-inspired bath, and an expansive dressing room. Three additional bedrooms, a private office, and a versatile bonus room complete this level, providing exceptional flexibility for family living, guests, and work-from-home needs. A charming gatehouse with guest quarters above welcomes guests to the gated and professionally landscaped 1.67± acre property, where prominent rock outcroppings, manicured lawns, walking paths, and specimen trees create a spectacular waterfront setting. Private waterfront access accommodates kayaks and paddleboards, while a staircase on the opposite side of the property leads directly into the Long Island Sound, offering an exceptional setting for open-water swimming. Resort-inspired outdoor amenities are equally inviting, centered around a saltwater pool, pool bath, and a waterfront spa positioned to capture sweeping views in every direction. This remarkable estate offers an unparalleled lifestyle and endless opportunities for recreation, entertaining, and enjoying one of the most extraordinary settings on the Connecticut coastline.