Monarch has been voted one of San Francisco's top lounges and has a fantastic sound system. It is located 3 blocks from both the Civic Center and Powell St BART stops. Monarch has amazing crepes upstairs and there are plenty of good, inexpensive places to eat in the area.
This is a 21+ venue, so please bring ID. There will be drink specials with Couchsurfing name tag. Name tags will be provided at the event.