If you would like to go to Alcatraz you will want to make reservations. Durring peak times the tours sell out, sometimes up to 3 weeks in advance. Click here to visit the Alcatraz Tickets web site where you can make reservations.
AM/PM Tours - Highly recomended, offering a wide variety of tours, from San Francisco to the Redwoods to the Wine Country.
Grey Line Tours - Lots of tours around the Bay Area
Duck Boat Tours - Take a tour of the city in a vehicle that's part car and part boat. You will see the city from both the streets and from the waters of McCovey Cove in the San Francisco Bay.