Blue and Gold Fleet: Ferry service, Information on Alcatraz tours, ferry schedules, tours, and maps.
Market Street Railway: Non-profit organization dedicated to the restoration and maintenance of historic transit vehicles in San Francisco. Activities, online museum, information and links.
Sailing Adventures: Sailing vessel "Heart" based in San Francisco, available for tours of the bay.
San Francisco Cable Cars: Features include interactive demos on how cable cars work, route maps, history, news, and events.
San Francisco Department of Public Works: Responsible for streets, roads, and sidewalks in the City and County of San Francisco.
San Francisco Municipal Railway: Muni provides public transportation within the City and County of San Francisco, California. Its buses, electric trolleys, streetcars and cable cars transport nearly 700,000 passengers a day.