This magnificent, exclusive estate on Duck Key offers a rare opportunity to own one of the most impressive waterfront properties in the Middle Keys. Set on a large, elevated, fully fenced and gated lot, the home boasts over 123 feet of protected deep-water dockage with approximately a 10-foot draft--ideal for serious boaters--along with sweeping, unobstructed views of Lake Lucille. Designed for both relaxation and entertaining, the outdoor space is truly resort-style. Enjoy a beautifully updated pool and spa, enhanced by new water features and a state-of-the-art outdoor sound system. The poolside cabana bar, complete with grill and a full-bath, creates the perfect setting for hosting guests in a private tropical oasis. Inside, the home is filled with natural light and elevated by soaring ceilings and elegant travertine marble floors. The spacious chef's kitchen is thoughtfully designed with seamless access to outdoor living areas, making indoor-outdoor entertaining effortless. The primary suite is conveniently located on the main level, while all guest bedrooms and bathrooms have been tastefully updated. Additional highlights include a rare wraparound balcony, a patio overlooking the pool and lake, a two-car garage, and an expansive basement offering exceptional storage. Boating enthusiasts will appreciate the multiple boat and jet ski lifts, as well as a floating dock. This is waterfront living at its finest--combining luxury, privacy, and unparalleled access to the open water.