With a stay at JW Marriott San Francisco Union Square, you'll be centrally located in San Francisco, steps from Union Square and 3 minutes by foot from Westin St Francis Hotel Glass Elevators. This hotel is 0.6 mi (0.9 km) from Palace Hotel and 0.7 mi (1.1 km) from San Francisco Museum of Modern Art.
515 Post St, San Francisco, United States - Union Square
Amenities
Reception services
Reception
Luggage storage
Ticket counter
Parking Facilities
Private parking
Valet parking
Cleaning Services
Laundry facilities
Wellness facilities
Fitness centre
Yoga studio
Dining
Breakfast
Bar
Business facilities
Business centre
Conference facilities
Sports & activities
Golf course
Tennis court
General services
Wedding
Daily newspaper
Room services & amenities
Room adapted to disabled people
General amenities
Air conditioning
Disabled access
Elevator
Fireplace
Entertainment & Leisure
Children's playground
Transport Services
Limousine service
Conditions
Check-in/ Check-out
Check-in 04:00 PMCheck-out 12:00 PM
Credit cards accepted by the hotel
Visa, MasterCard, American Express, Diners Club, Japan Credit Bureau (JCB), Discover
About this property
Location
United States>San Francisco>Union Square
Number of rooms
344
JW Marriott San Francisco Union Square
Reviews
Tripadvisor Reviews (2264)
4.1 /5This average is based on 2264 reviews
Cleanliness
Sleep quality
Value
Service
Location
S
Spiegs1968Mechanicsburg, Pennsylvania May 2026
Superb stay
Superb hotel experience. Great staff from valet to front desk to bar. Spacious clean and comfortable room. Well located and convenient. Desk, bell and valet team very helpful with great advice We will...
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P
purukmsSeattle, Washington May 2026
Basic amenities missing... It's not always about restaurants and bars...
First time stay for us in this JW.
Good room assigned to us as platinum status guests. Front desk staff that we interacted with was great and professional.
However, in terms of amenities, this hotel...
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D
Dream37407067916April 2026
Incredibly rude front desk staff
On this date, April 16, 2026, at 9:45am EST I spoke to the rudest front desk individual I have ever spoken to in my life. I was having issues cancelling a reservation one month in advance. When I aske...
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K
kipellenPleasanton, Tri-Valley, California February 2026
Definitely time for renovation....
Normally JW Marriott Hotels are excellent in every way. This hotel, regrettably, falls short. Pricey restaurants with just okay food. The carpet in the room was dirty and ours had a big wet spot whe...
Superb stay
Superb hotel experience. Great staff from valet to front desk to bar. Spacious clean and comfortable room. Well located and convenient. Desk, bell and valet team very helpful with great advice We will...
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