Rarely available full duplex in prestigious Duck Key offering crystal-clear flowing canals, 75 feet of deep-water dockage, a private heated pool, and incredible income potential. This waterfront retreat allows you to live on one side and rent the other or enjoy both as a private escape surrounded by the best of Keys living. Each 2-bedroom, 2-bath residence is beautifully updated with travertine marble flooring, custom cabinetry, marble countertops, and plantation shutters. The open layout and natural light create a bright, breezy feel throughout. Outdoors, enjoy tropical serenity with a custom tiki hut, summer kitchen, and spacious paver patio perfect for entertaining after a day on the water. With direct ocean access and no fixed bridges, it's just a short boat ride to world-class fishing, diving, and sandbars. Ideally located a short drive to Marathon's private Millionaire Airport, about 30 minutes to Islamorada, just over an hour to Key West, and approximately two hours to Miami Duck Key offers the ultimate blend of island tranquility and accessibility. A golf-cart-friendly community known for its crystal-clear canals and resort-style atmosphere, this property captures the essence of the Florida Keys lifestyle relaxed, refined, and rewarding.