3661 Buchanan Street is a classic early-1900s, four-story walk-up office building in the heart of San Francisco’s iconic Marina District. Ideally positioned at the corner of North Point and Buchanan Streets—just across from Marina Safeway—the property offers immediate access to Marina Boulevard and is less than half a mile from the shops, cafés, fitness studios, and dining options along Chestnut Street. Originally built as apartments and later converted to creative office flats in the early 2000s, the building now serves as a hub for innovation. It offers ±1,500 SF office suites with abundant natural light, private bathrooms, and flexible layouts well-suited for architects, designers, tech startups, wellness professionals, and other creative users. The building also has a shared roof deck above the 4th floor for sweeping views of the Bay and the Golden Gate Bridge.