Welcome to Harbour Island — a prestigious gated enclave within the renowned Marsh Landing community. This exquisite navigable waterfront estate blends timeless elegance with modern luxury, offering unparalleled privacy, stunning views, and seamless indoor-outdoor living.Enter through a grand foyer with sightlines straight to the pool and waterway, setting the tone for the rest of the home. The expansive open floor plan features a dramatic two-story living room with wood-beamed ceilings and a statement fireplace. The chef's kitchen is a culinary dream with two quartzite islands, custom cabinetry, Sub-Zero refrigeration, Wolf gas cooktop, double ovens, and a separate wet bar and wine cellar — ideal for entertaining. The spacious first-floor primary suite is a private sanctuary with a spa-inspired ensuite, dual walk-in closets, soaking tub, walk-in shower, sitting area, and rich custom woodwork. Upstairs, are ensuite bedrooms with walk-in closets which are connected by a generous recreation room and separate two-bedroom, two-bath guest house provides ultimate flexibility for visitors or multigenerational living. Enjoy Florida living at its finest outdoors: a screened lanai, saltwater pool, summer kitchen, outdoor fireplace, and elegant fountained courtyard provide endless space to relax or entertain. Boaters will appreciate the private 40' deep-water dock with direct Intracoastal access just seconds from open waters. Built with concrete block construction and elevated for peace of mind, this home has no history of water intrusion, a rare find for waterfront properties. Don't miss your opportunity to own one of Harbour Island's most exceptional homes. Schedule your private showing today!