San Francisco Bay Ferry is a public transit passenger ferry service in the San Francisco Bay, administered by the San Francisco Bay Area Water Emergency Transportation Authority (WETA) and operated under contract by the privately owned Blue and Gold Fleet. In 2024, the system had a ridership of 2,595,100, or about 11,200 per weekday as of the third quarter of 2025.
San Francisco Bay Ferry is a different system from Golden Gate Ferry, which provides passenger ferry service between San Francisco and Marin County.