An Extraordinary Lake Nipissing Estate. Welcome to 1278 Highway 654, Callander - a rare 100-acre waterfront estate where privacy, luxury, and breathtaking natural beauty converge. Located just 20 minutes from North Bay, and minutes from the Trans-Canada Highway. Set along the beautiful south shore of Lake Nipissing, the property commands sweeping panoramic views from Callander Bay across the North Bay waterfront. An exceptional opportunity for a private estate, exclusive retreat, or future development (subject to approvals). The impressive fully brick residence offers approximately 8,500 sq. ft. of living space, with generously sized bedrooms, luxurious marble bathrooms, and spectacular lake views. At it's heart is a grand living room featuring a dramatic double-sided brick fireplace, the main kitchen boasts a walk out rooftop patio with VIEWS! The main-floor bar with a double-sided wood-burning fireplace a creates an exceptional setting for entertaining. Designed for year-round enjoyment, the home features a stunning indoor pool and hot tub with custom tiled finishes and a large walk-in sauna. A screened-in sunroom and adjoining patio open from the pool room and bar.. extending the living space toward the outdoors. A private one-bedroom walkout apartment includes a large kitchen and living area, wood-burning fireplace, and walkout toward the beach - ideal for guests or extended family. Outside, expansive grounds gently descend to an incredible sandy beach, complemented by a triple-car garage. A separate two-bedroom cottage sits west of the residence, offering beautiful lake views and a charming front porch overlooking the water. With its extraordinary scale, spectacular waterfront, sandy beach, substantial residence, additional cottage, and proximity to North Bay, this is an exceptionally rare offering. Create your own private paradise, exclusive retreat, resort vision, or explore future development potential, subject to approvals. Private tours by appointment.