Rare and extraordinary waterfront offering on the coveted North end of Siesta Key, this premier Bay Island estate parcel presents the ultimate canvas for creating a world-class coastal retreat. Set on nearly half an acre, the property commands sweeping waterway views and offers 90 feet of protected sailboat-water frontage, complete with an existing 73-foot composite and tile dock-an exceptional amenity for the discerning boating enthusiast. To seamlessly bring your vision to life, fully customizable luxury home plans, as well as projected expenditure framework are available for review from Salt Wave Construction thus significantly expediting the design-build process. The seller has also committed to demolition of the existing structure, allowing for a smooth and efficient transition to new construction. The proposed residence spans approximately 6,366 square feet, including over 4,000 square feet of refined, air-conditioned living space, thoughtfully designed to maximize waterfront exposure and elevate indoor-outdoor living. Multiple entertaining spaces, expansive terraces, and view-oriented decks create the perfect setting for both grand gatherings and intimate moments, all framed by captivating water vistas. Ideally located for effortless access on and off Siesta Key and just minutes from the culture, dining, and sophistication of Downtown Sarasota, this exceptional property offers the rare combination of privacy, prestige, and proximity. An unparalleled opportunity to craft a legacy waterfront estate in one of Sarasota's most sought-after enclaves.