Hotel Cosmo Hotel San Francisco, 761 Post Street San Francisco, CA 94109, United states. The boutique Hotel Cosmo embodies the spirit of the arts. Changing art installations in the sleek, retro lobby mean you can view original art, purchase art and talk to the artists during evening wine hour. Located in downtown San Francisco, you'll find exceptional art galleries, renowned Union Square shopping, the Theatre District, cable cars, fine restaurants and San Francisco entertainment just three blocks from the hotel. Inside and out, this is the ever-changing experience of the Hotel Cosmo, the 1929 architectural beauty that launched Bill Kimpton's vision of boutique hotels. Room Facilities: Alarm clock, Cable / Satellite TV, Hairdryer, Iron and ironing board, Mini bar, Modem/data port connection, Private bathroom / Ensuite, Refrigerator, Telephone. Hotel Facilities: Baby sitting service, Banquet facilities, Business centre, Cocktail bar, Internet access, Laundry facilities, Parking facilities (at cost), Reception, Safe deposit box. Extra Information: .