The Big Boat Series is a prestigious sailing regatta held annually in the San Francisco Bay. It typically attracts a variety of large sailing yachts and features multiple racing classes, allowing both professional and amateur sailors to compete. The event usually takes place in September and is organized by the St. Francis Yacht Club. This series is known for its challenging conditions, including strong winds and currents, which test the skills of the participants. The Big Boat Series not only showcases competitive sailing but also promotes camaraderie among sailors and sailing enthusiasts from around the world.