The San Francisco waterfront piers played a crucial role in the Pacific theater during World War II. With the outbreak of the war, San Francisco's waterfront became a military logistics center; troops, equipment and supplies left the Port in support of the Pacific theater.[from wikipedia]

A pedestrian and fishing pier at the end of Mission Street, across from where it hits the Embarcadero.

A pier is a raised structure that rises above a body of water and usually juts out from its shore, typically supported by piles or pillars, and provides above-water access to offshore areas.[from wikipedia]

Behind and docked at pier3 were the Hornblower ships that provided meal and holiday cruises.

South of the Bay Bridge and at the foot of Main Street.

A expensive parking lot that extends into San Francisco Bay.

The even numbered piers lie to the south of the Ferry Building.

Located just a ways east of Fisherman's Wharf

Pier 40. Governed by the San Francisco Port Authority.Located near South Beach Park and facing the Ballpark.

As you walk along the pier, you will find several pieces of information about the vessels and World War II. You can also visit one or both of these floating SF museums.[from sf tourism tips]

When emergency ferry service was added after the 1989 earthquake, Alameda service docked between Pier 7 and Pier 9, Berkeley service docked at Pier 1-1/2, and all other service used the existing Ferry Building piers.[from wikipedia]

Piers F and G are ferry piers located a short walking distance south of the Ferry Building in San Francisco, California.