Super fun and yummy (and supposedly authentic) Mexican food by Embarcadero. Fantastic guacamole and a sampler of ceviches. We let the extremely friendly and able waitress pick most of our dishes, and they were delish. Also some ridiculously strong but good shooter of tequila with something else...
Next door to Japanese/trendy bar with great sake :)
139 Steuart Street, San Francisco CA 94105