A rare opportunity to own one of the most distinctive residences in the waterfront Marina Village community, 9 Regulus Court is a permitted 2842 SQFT detached 4BD/4BA home thoughtfully composed of two separate living units seamlessly united into one dramatic space with no shared walls, multiple patios with water views, and two garages. Set along the Oakland Estuary, the home offers immediate access to marinas, shoreline paths, and open water just beyond the door. Inside, architectural craftsmanship defines the experience, highlighted by a breathtaking helical spiral staircase handcrafted from solid Brazilian walnut with custom balusters and sculptural detailing. The modernized kitchen includes leaded glass cabinetry, stone countertops, and upscale appliances, while solid walnut plank floors extend throughout. Two expansive primary suites with spa-like baths, cathedral ceilings, private patios, and generous storage provide exceptional flexibility. Entertain with ease in the oversized great room featuring an 18-foot light installation, cathedral ceiling, fireplace, wet bar, wine storage, and seamless indoor-outdoor flow. Privacy, design, and a waterfront lifestyle in one remarkable offering.