191-221 Pennie Ave, Spring Bay, ON P0P 2C0

Welcome to "The Estate on Michael's Bay", one of the most exclusive properties on Manitoulin Island - an exceptional 116-acre waterfront estate featuring 928 ft of pristine shoreline on the crystal-clear waters of Lake Huron. The estate consists of a 9,000 sq ft log home, a 3,000 sq ft guest house, a 3,600 sq ft heated workshop, a private 2,500 ft airstrip and a private lake. Minutes from South Baymouth and just 85 minutes by plane from Toronto, this gated property offers ultimate privacy, convenience, and luxury. At the heart of the estate lies a breathtaking main residence that blends timeless log construction with concrete floors and radiant in-floor heating. A dramatic, floor-to-ceiling 4-sided wood-burning stone fireplace anchors the vaulted great room, surrounded by living, music, study, and sitting areas. The breakfast nook offers a place to relax in front of a wood-burning fireplace. The kitchen features a waterfall island, hidden pantry, wine cooler, Thor appliances, and beamed ceilings. A mud/laundry room, a guest suite with ensuite, and a 2-piece bath complete the main floor. Upstairs, a floating staircase with glass railing leads to the primary suite's sitting area, 6-piece ensuite with soaking tub, double showers, dual vanities, and private deck. The lower level offers a games room with wet bar, fitness studio, family room, walkout bedroom, full bath, and unfinished spaces to add your touch. Outside, enjoy a hot tub, limestone waterfall, screen sunroom, landscaped terraces, and al fresco dining. The guest house includes 4 beds, 2.5 baths and a garage. The workshop features 3 oversized garage doors, EV charger, and an unfinished apartment. Backing onto 500+ acres of protected conservation land with hiking trails, this rare offering combines elegance, adventure, and legacy. Whether you're seeking a refined second home, a family compound, or a nature-infused escape from city life, this extraordinary property delivers a once-in-a-lifetime opportunity.