A Once-in-a-Generation Opportunity on Belvedere Island's Most Prestigious Avenue. Welcome to the iconic 400 block of Golden Gate Avenue, one of only a few properties perfectly positioned to capture both breathtaking east-facing views of Tiburon, Angel Island, and the Corinthian Yacht Club, as well as stunning west-facing vistas of the Golden Gate Bridge, San Francisco skyline, and shimmering Bay waters. Nestled among prestigious residences, this street-to-street lot offers a rare chance to build a legacy estate in one of California's most exclusive enclaves. Live here now in a chic pied--terre while you design your dream home, or enjoy income from the two existing studio apartments and spacious three-car garage. Belvedere is known for its sunny microclimate, storied past as a retreat for San Francisco's elite, and breathtaking architecture shielded from commercial development. Just minutes away, downtown Tiburon offers laid-back sophistication with award-winning restaurants, wine bars, boutiques, waterfront paths, and two private yacht clubs. Top-rated schools and an effortless ferry or car commute to San Francisco complete this extraordinary offering.