Set on a secluded 10.59 acre peninsula on Lake Rosseau, this extraordinary family estate features 800.91 feet of pristine granite shoreline, a sandy beach, and multiple exposures throughout the day. Designed for privacy and elegance, this expansive compound offers over 8,000 sq. ft. of living space across four distinct structures, each thoughtfully positioned to maximize seclusion and lake views. The main cottage welcomes guests with a grand great room boasting cathedral timber-beam ceilings, a floor-to-ceiling stone fireplace, and walls of windows framing panoramic vistas. Adjacent are a chefs kitchen, formal dining area, and a four-season Muskoka Roomideal for both intimate gatherings and grand celebrations. The main-floor primary suite serves as a private retreat, complete with a dressing room, spa-like six-piece ensuite, and direct access to a lakeside deck. A spiral staircase or elevator leads to two upper guest suites, each with private balconies and ensuites. The lower level reflects the same level of luxury, featuring a recreation room with wet bar, lakeside office, and a second primary suite with walkout to the beach. The guest cottage includes three bedrooms, two bathrooms, a full kitchen, and a cozy living room with fireplace, offering guests complete privacy. The three-slip boathouse features upper-level living with a kitchen, three-piece bath, bedroom, and a generous deck with covered dining. The forth building is a two story coach house. Meticulously landscaped, the grounds feature granite walkways, perennial gardens, a beach bay with fire pit, and a separate two-slip docking system. With level terrain for easy access and just minutes by boat or foot to Port Carling, this legacy estate offers a rare opportunity to own a piece of Muskokas natural beauty and architectural excellence.