Penthouse-style waterfront living at its finest in San Mateo coveted Harbortown! This stunning, light-filled corner-unit retreat boasts soaring cathedral ceilings, skylights, and expansive windows that frame serene lagoon views and lush treetop vistas from virtually every room. Enhanced with an extensive 2026 interior refresh, the home features brand-new luxury vinyl plank (LVP) flooring, designer lighting, fresh paint, and a new wall heater in the guest bedroom. The kitchen features solid granite countertops, adjacent to an in-unit laundry room with washer/dryer (2021). Major improvements ensure total peace of mind: new roof, gutters w/ guards, skylight, electric water heater (all 2021), and solid wood shutters (2019). Complete with a detached garage, ample community parking, and low-maintenance living with HOA covering water, sewer, and garbage. Enjoy resort-style amenities including indoor/outdoor pools, spa, tennis/pickleball courts, and scenic Bay Trail access. Unbeatably located near Highways 101, 92, and 280, close to shopping, dining, parks, and top-rated Aragon High School- this turn-key sanctuary offers the ultimate blend of coastal tranquility and Peninsula convenience!