Welcome to your own private Four Seasons-style retreat in the exclusive gated community of Marin Bay Park! This 5,119 sq ft masterpiece boasts 4 bedrooms + en-suite office (optional 5th bedroom) & 4.5 baths, blending luxury, sophistication & breathtaking San Francisco Bay views. The grand foyer leads to an open-concept design with soaring ceilings & seamless indoor-outdoor flow. A chef's dream kitchen features Miele, Wolfe & Sub-Zero appliances, quartz counters, a leathered granite island, walk-in pantry & an entertainment bar with a 100+ bottle wine fridge. The bright family room showcases custom built-ins & a striking designer-tiled fireplace, while the elegant dining room opens to a serene patio. The primary suite offers custom walk-in closets & a spa-like bath with heated floors. A junior suite with a private entrance & patio makes for a perfect guest retreat. Outside, a resort-style oasis awaits with a custom pool, spa, cabana with outdoor kitchen, putting green, fire pit & lush landscaping. Additional highlights: Tesla solar system, smart home features, wine room, home gym, sunroom, three-car garage & more. Prime location near Peacock Gap Golf Club, Loch Lomond Marina, trails & award-winning Glenwood Elementary School. A rare gem!