A truly rare and exclusive opportunity to own a piece of Beaumaris history on coveted Tondern Island. This remarkable water-access-only boathouse is perched on a prime stretch of shoreline offering the best of both worlds: beautiful eastern views over the lake at sunrise and unrivaled sunset vistas to the west, overlooking the 7th fairway of the Beaumaris Yacht Club. Originally built in the 1940s to house the Edith Anne Steamship, this beautifully preserved heritage boathouse blends historical charm with modern potential. Zoned OS3 (Commercial Open Space), the property allows for a variety of flexible uses including marine storage and service, or even as a private club or personal retreat. Whether you're looking to showcase your boat collection, create a private escape, or invest in a one-of-a-kind waterfront asset, this property is an unparalleled opportunity in Muskoka's most prestigious enclave. A dream for boat enthusiasts and entertainers alike, the boathouse features three oversized slips: Slip 1: 50' x 12'; Slip 2: 52' x 14'8"; Slip 3: 38' x 14'8" Two generous cigar decks, one east-facing and one west-facing, provide the perfect settings to relax and entertain guests, taking full advantage of the all-day sun and panoramic views. The upper level offers substantial storage and could be customized to suit a variety of needs.