This immaculately maintained and private 4 bedroom 3.5 bath custom-built estate is prominently perched on the Southern side of Belvedere Island. It is graced by wall to wall windows for enjoying the panoramic bay views of San Francisco, the Golden Gate Bridge, Sausalito and Mount Tamalpais.The private gated entrance from a quiet cul-de-sac brings you to a lush and mature landscaped paradise. Through this private courtyard leads you to a double glass door formal entry. Awaiting you there is a one of a kind great room which is the dramatic focal point of the main level perfect for relaxing or entertaining. The gourmet chef's kitchen with professional built-ins and the adjacent dining area with sliding doors showcase breathtaking views while opening up the home to even more light and air. Spill out to the awe-inspiring decks which can be accessed from any room. The private master suite presents tray ceilings, massive windows, a private deck overlooking the expansive bay views and an opulent ensuite bath with a separate glass block lined spa-like onyx shower. The lower level with separate entrance houses a large multi purpose suite, 2nd living quarters or office with a kitchen and bath and separate air conditioning. Laundry is conveniently located on the main level adjacent to a separate au-pair suite and wine cellar.This sophisticated and luxurious estate is a masterpiece of modern design and craftsmanship featuring custom onyx walls, whitewashed walnut cabinets, hand-carved fireplace surrounds, Turkish travertine marble floors, green slate decks, stairs, and walkways, and Brazilian rain forest marble throughout. Every detail was carefully selected and quality crafted. Highlights include Automatic multi-shade systems, heated floors throughout, highly insulated construction, generous usage of interior and exterior natural cedar wood and modern computer, telephone system, cable and satellite wiring throughout.This property is one of the few private Belvedere parcels that are inset and have amazing wind protection. This is 3,141 square feet of Modern Elegance on a very private custom landscaped large down-sloped parcel. The home boasts five off street parking spaces and an additional oversized 722 square foot 2.5 car garage with custom floors and wood insulated doors. The center bedroom can be altered to accommodate a larger master closet and an interior stairwell to the lower level to support four bedrooms under the house in the existing lower space and the adjacent infill area. Belvedere allows a detached guest unit which can be placed down the hill long Belvedere avenue and use our two designated striped off-street parking spaces there. The unit can feature a kitchen and bath and is not to exceed 750 square feet. Call now for your private showing!