Originally Posted by
dhuey
My standard recommendation: rent a bike. Rent one in the Wharf, and once you've done so, get the heck out of the Wharf. Ride trough the Presidio to the Sausalito ferry (i.e., across the GG Bridge). Send me a PM if you're interested, and I'll give you the details.
See
http://www.blazingsaddles.com/rides.html (there are other rental shops, but this is the only one I've heard of).
That's a good one. Rent a bike at the Wharf, ride to Sausalito (over the GGB), eat lunch at Scoma's, then take the ferry back to SF. Perhaps a side trip to the Ferry building for the farmer's market.