Where home and horizon merge, this waterfront estate on Monomoscoy Island offers an unrivaled boating lifestyle. Tucked away on a private drive, the property features a private deep-water dock with no bridges between your slip and the open waters of Waquoit Bay and Nantucket Sound. The main residence showcases superior craftsmanship and modern luxury. At its heart, a gourmet kitchen anchors the open-concept living space, featuring a professional gas range and a stunning waterfall-edge stone island. Retreat to the primary suite sanctuary, a private haven boasting a water-view deck, cozy gas fireplace, and a spa-inspired ensuite. The coastal compound includes a striking carriage house with custom mahogany doors. Above, find a sun-drenched guest apartment with a kitchenette; below, a massive garage with a 12-foot door is purpose-built for boat storage and gear. Outside, expansive composite decks and a cobblestone patio provide the perfect vantage point to enjoy magnificent sunsets over the river. With a full-property generator and solar array, every detail is engineered for comfort. This is waterfront living, where boating, sunsets, and saltwater serenity become your everyday!