At Grand Hyatt San Francisco Union Square, guests have access to a 24-hour gym, free WiFi in public areas, and conference space. Valet parking is available for USD 85.50 per night, and there's also limo/town car service. The front desk has multilingual staff on hand 24/7 to help with luggage storage, tours or tickets, and dry cleaning/laundry. If you like to take your furry friend along on your adventures, this pet-friendly property offers food and water bowls. Additional amenities include a 24-hour business center, a computer station, and express check-in.