Stunning World-Class Waterfront Estate on Kempenfelt Bay / Lake Simcoe! Privately nestled along one of the most prestigious and coveted roads on Kempenfelt Bay, this extraordinary estate is offered for sale. Gated and masterfully designed, the property showcases the pinnacle of craftsmanship, elegance, and timeless luxury. Envisioned as a true family compound, the estate comprises multiple residences designed for entertaining and privacy: the grand main house, a private apartment, a boathouse, and a cabana. Together, they provide 10 bedrooms, a bunk room accommodating 8, 11 bathrooms, 2 full kitchens, and 3 kitchenettes offering exceptional flexibility for family, friends, and guests. The main residence features a one-bedroom loft with full kitchen and bath, while the rare water lot highlights an Incredible one of a kind boathouse with kitchenette, bedroom/bathroom, living/dining with folding glass doors for indoor/outdoor lakeside living, double slip wet boathouse, permanent dock, extensive decking, remote lifts. Poolside cabana with dramatic fold-away doors continue Outdoor living elevated with frameless glass railings, expansive stonework, covered and uncovered sitting, lounging and dining areas are perfectly positioned for breathtaking sunsets and lake views. Resort-style amenities define the exterior, including a Betz Gunite pool with waterfall, infinity edge, and hot tub, glass-walled terraces, a poolside BBQ pavilion, and a cozy wood-burning fireplace surrounded by intimate seating. Inside, refined details abound: Incredible Chefs Kitchen, reclaimed antique elm hardwood floors, a custom wrought-iron staircase, elegant crown mouldings, four gas fireplaces, and extensive soundproofing for total comfort and privacy. A true one-of-a-kind sanctuary, this world-class waterfront estate must be experienced to be fully appreciated.