The Ferry Building along the Bay has great places to eat. Nice walk along the Embarcadero.
Also, take Geary Blvd west out to the coast, where you will find the Cliff House restaurant, and the former Sutro Baths, where you can walk around. There you are, along the coast. walk along the beach, and drive about one mile to get into Golden Gate Park. There's a pond where they sail boats, and the Botanical Garden with the glass enclosed tropical plants.
Feel free to ask, as time may constrain you to "take the initiative" .
P.S. If you know anyone with a medical marijuana card, perhaps you can get a tour of a facility, though you won't be allowed to medicate. I'm out of town, or I would offer. Try 350 Divisadero St.