Tucked away in one of Mill Valley's most prestigious enclaves, 30 Sandy Lane is a custom-built estate offering an extraordinary blend of privacy, sophistication and timeless beauty. Set on 1.28 acres of professionally curated landscaped gardens and private vineyard, this approx. 5,830 sq.ft. residence enjoys sweeping panoramic views and creates a seamless connection to its serene natural surroundings. Lovingly cherished by the same family for over two decades, this home reflects pride of ownership and top-quality craftsmanship throughout. Five spacious en-suite bedrooms offer comfort and seclusion, while a dedicated office (optional sixth bedroom) and half bath complete an ideal layout designed for daily living and refined entertaining. Soaring ceilings, custom wood flooring, detailed crown molding, and beautiful finishes add warmth and elegance to the home. Picture-frame windows fill the interior with natural light and provide peaceful vista views from nearly every room. Enjoy the tranquil outdoors with expansive decks, quiet terraces, and lush gardens. A three-car garage with interior access, ample guest parking, and close proximity to top schools, downtown Mill Valley, precious open space, and a short commute to San Francisco makes this a rare offering for generations to come.