Find spa resorts & hotels in Union Square, San Francisco from $91

"This was a last minute overnight trip to San Francisco so we looked at reviews and compared prices. I had never heard of citizenM but we were very impressed. The room is more like an efficiency apartment but what do you need when staying in one of the most beautiful cities in the world. The room was cozy, quiet and had everything we needed. The staff were very helpful as we navigated our way through automated checkin. We never tried the restaurant but it looked good."

"Service was prompt & accommodating to all requests. Always very friendly & appreciate the 24 hour receptionist at the door. My suggestions or improvement: - Provide Breakfast trays, compostable utensils, better food variety. Breads, oranges and Dannon yogurt are limited choices (maybe trade some oatmeal pkts for less variety of breads). - Dump the plastic soaps and shampoos. Provide soap, shampoo and conditioner bars wrapped in paper packaging."

"Clean and sleek with abundant of attention to details."

"a nice hotel in the city close to restaurants and shopping and also Bart. Rooms have kitchenettes which is nice."

"Place was clean and that was the most important thing "

"I enjoyed my stay. My only complaints are the low-flow toilets and water pressure in the bathroom. The area around the hotel is also not the best but I had no problem."

"Dave the desk clerk was incredibly helpful and nice... we have a new favorite in SF"

"Very quaint and charming place to stay"

"There was a dog barking in the hotel room next to my room for 3 days. I complained to the concierge and they said they will send a security to check but nothing was done. "

"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...