"Although a frequent traveler to San Francisco, this was my first stay at the Grand Hyatt, and I wasn't disappointed. From check-in to check-out my stay was very nice. Friendly customer service, comfortable room and clean throughout the property. Cool on-site lounge/cocktail bar, although I wish the roof were accessible to guests w/ a bar up there, too. My only complaint was that the a/c in my room was weak (although outside temps during my stay were at least cool). The hotel was also...