Step into a world of rarefied luxury with this prestigious duplex penthouse at Residence du Cap on the coveted Williams Island. Set on a private island surrounded by serene waters and lush landscapes, this architectural gem spans 9,100 sq.ft. of refined interiors and 3,183 sq.ft. of breathtaking terraces. With 6 lavish bedrooms, 8.5 spa-inspired bathrooms, a private library, den, and staff quarters, every detail exudes sophistication. The grand great room features soaring 14-foot ceilings, while the chef's kitchen rivals the finest culinary spaces. The master suite boasts dual baths, an indoor-outdoor shower, and expansive walk-ins. Private elevators, including a striking glass hydraulic lift, lead to a rooftop oasis with a pool and spa. Furnished images are renderings. Call today!