Welcome to an exceptional custom-built lakefront retreat on the sought-after south shore of Lake Nipissing, overlooking the beautiful and protected waters of Callander Bay. Offering approximately 2,400sq. ft. of thoughtfully designed living space, this four-bedroom, three-bath home combines quality craftsmanship, inviting spaces and an unparalleled waterfront lifestyle. The south shore is highly desirable for its convenient proximity to local amenities and the GTA. The main level features a spacious foyer opening to an impressive open-concept great room with a chef-inspired kitchen, generous living and dining areas, and captivating lake views. A main-floor laundry, two-piece powder room and direct access to the oversized 24' x 24' attached garage add everyday convenience. Designed for year-round comfort and efficiency, this custom high-performance home features triple-pane windows, a super-insulated enclosure, high-efficiency ventilation system, ductless heat pump and in-floor radiant heat. The private primary suite includes a beautifully refined ensuite and direct access to a private deck overlooking the water. Upstairs, three additional generously sized bedrooms, a four-piece bathroom and large open-concept den provide comfortable accommodations for family, guests and a home office. Outdoor living is exceptional, with a full-width front deck and substantial covered section for enjoying the spectacular setting in any weather. At the waterfront, a private sandy beach offers a gentle walk-out into the clear waters of Callander Bay, while the private dock provides the perfect launch point for boating, fishing and unforgettable days on the lake. Callander Bay is renowned for excellent fishing and boating, with access to the expansive waters of Lake Nipissing and the French River system. Whether a year-round residence, family retreat or four-season escape, this remarkable property delivers an exceptional waterfront lifestyle.