Utterly private 5 acre compound with 275' of no bank wft on west-facing shore of peaceful Quartermaster Harbor. Sunny 6560 sq ft total; home has gourmet kitchen, library, office, spa, sauna, theater, rec, shop, covered porches. Guest house has bedroom + 2 sleeping nooks and additional studio below. All with geothermal heat/air, extensive security & earthquake engineering. Waterside gazebo, gas & wood firepits, bocce ball. Vast patios. Golf, tennis and swim club nearby. Understated Perfection.