Located on the highly sought-after south end of Lake Rosseau, this exceptional Mazengah Island family compound offers spectacular southwest exposure, breathtaking sunset views, deep water, full chattel list and outstanding privacy. A two-slip, two-storey, 1 Bed, 1 Bath boathouse welcomes you with convenient docking and expansive upper and lower party decks - perfect for sun-soaked entertaining and relaxing waterfront living. The main cottage is a charming, wood-lined bungalow with cathedral ceilings, 1.5 bath with a private large primary bedroom, and a spacious front deck that offers shade and serenity under the canopy of the forest. For guests, a generously sized, one bedroom bunkie nestled in the woods features a full bathroom and large deck-providing comfort and separation from the main cottage. This rare island retreat is just minutes by boat to the prestigious Muskoka Lakes Golf & Country Club, the JW Marriott, and Port Sandfield, offering a perfect balance of seclusion and accessibility. Bonus opportunity: Abutting vacant 150' lot also available for $750,000 - an excellent opportunity to expand your private compound or invest in future development. Chattels as viewed excluding personal items and boats. Chattels up to Sellers full discretion.