JW Marriott San Francisco Union Square

515 Mason Street, San Francisco Downtown, San Francisco (CA), United States, 94102

Guests
Rooms
Adults
Children

Room Types

Available from Fri 31 Jul 2026 to Sat 01 Aug 2026

Studio Suite, Studio, 1 King, Sofa bed Studio Suite, Studio, 1 King, Sofa bed Studio Suite, Studio, 1 King, Sofa bed Studio Suite, Studio, 1 King, Sofa bed Studio Suite, Studio, 1 King, Sofa bed Studio Suite, Studio, 1 King, Sofa bed Studio Suite, Studio, 1 King, Sofa bed Studio Suite, Studio, 1 King, Sofa bed Studio Suite, Studio, 1 King, Sofa bed

Studio Suite, Studio, 1 King, Sofa bed

Room size: 43 m²/463 ft² Outdoor view Non-smoking Separate shower/bathtub
2 guests
Guest room, 2 Queen, City view Guest room, 2 Queen, City view Guest room, 2 Queen, City view Guest room, 2 Queen, City view Guest room, 2 Queen, City view Guest room, 2 Queen, City view Guest room, 2 Queen, City view Guest room, 2 Queen, City view Guest room, 2 Queen, City view

Guest room, 2 Queen, City view

Room size: 33 m²/355 ft² City view Non-smoking Shower and bathtub
2 guests
Club lounge access, Guest room, 2 Queen Club lounge access, Guest room, 2 Queen Club lounge access, Guest room, 2 Queen Club lounge access, Guest room, 2 Queen Club lounge access, Guest room, 2 Queen Club lounge access, Guest room, 2 Queen Club lounge access, Guest room, 2 Queen Club lounge access, Guest room, 2 Queen

Club lounge access, Guest room, 2 Queen

Room size: 33 m²/355 ft² Outdoor view Non-smoking Shower and bathtub Executive lounge access
2 guests
King Room - Club Lounge Access King Room - Club Lounge Access King Room - Club Lounge Access King Room - Club Lounge Access King Room - Club Lounge Access King Room - Club Lounge Access King Room - Club Lounge Access King Room - Club Lounge Access

King Room - Club Lounge Access

Room size: 33 m²/355 ft² Outdoor view Shower and bathtub Executive lounge access
2 guests
Queen Griffin, Guest room, 2 Queen Queen Griffin, Guest room, 2 Queen Queen Griffin, Guest room, 2 Queen Queen Griffin, Guest room, 2 Queen Queen Griffin, Guest room, 2 Queen Queen Griffin, Guest room, 2 Queen Queen Griffin, Guest room, 2 Queen Queen Griffin, Guest room, 2 Queen

Queen Griffin, Guest room, 2 Queen

Room size: 33 m²/355 ft² Outdoor view Non-smoking Shower and bathtub
2 guests

About This Hotel

JW Marriott San Francisco Union Square

JW Marriott San Francisco Union Square

JW Marriott San Francisco Union Square is the perfect choice for travelers who want to take in the sights and sounds of San Francisco (CA). Experience an urban escape in San Francisco (CA) with a stay at JW Marriott San Francisco Union Square, with its exceptional location right in the city center.
JW Marriott San Francisco Union Square offers numerous on-site facilities to satisfy even the most discerning guest. Never be out of touch with your contacts, with free Wi-Fi offered throughout your stay. Exploring San Francisco (CA) is made even more convenient with the car hire services available at the hotel. If you plan to arrive by car, you'll appreciate the hotel's available parking, right on-site.
The hotel provides front desk services such as concierge service, express check-in or check-out and safety deposit boxes for guests' convenience. If you need, the ticket service and tours can even help you book tickets and reservations at all the best shows and programs nearby. On cold days and nights, the hotel's on-site fireplace will keep you warm. Staying for a long time, or just need clean clothes? dry cleaning service and laundry service offered at the hotel will keep your favorite travel outfits clean and available.
For lazy days and nights, in-room conveniences like room service and daily housekeeping let you make the most of your room. Little things you forgot to pack aren't a big problem! Just stop by the convenience stores to get what you need. Please be advised that smoking is not allowed in the hotel to allow cleaner air for all guests.
Equipped with handy amenities, guestrooms at JW Marriott San Francisco Union Square guarantee a comfortable stay for all travelers. Some rooms are equipped with linen service and air conditioning for your convenience. In-room entertainment such as television and cable TV is provided for guests in some selected rooms. The hotel also offers a coffee or tea maker and mini bar in some rooms for when you feel like it is needed.
JW Marriott San Francisco Union Square also provides a hair dryer, toiletries, bathrobes and towels in bathrooms for select rooms.


Dining and things to do

Nothing starts a morning better than a delicious breakfast, which you can always enjoy in-house at JW Marriott San Francisco Union Square. If you don't feel like going out to eat, you can always opt for the delicious dining options at the hotel. A night in at the hotel's bar can be as fun as a night out with your travel companions. Guests who prefer to make their own meals will love the in-house shared kitchen available here.
Recreational facilities at JW Marriott San Francisco Union Square are designed for escape and relaxation. Finish your vacation days right by dropping in at the hot tub, salon, spa and sauna. Skip the dress code and opt for a casual cocktail or beer at the hotel's poolside bar. Fitness lovers who want to keep up their routine on vacation can drop in at the hotel's fitness facility.
Get wet in the best way on sunny days by joining water-world activities like wind surfing. Get the family involved in activities such as horse riding. Have fun without traveling far, by taking advantage of the golf course on site and bowling alley at JW Marriott San Francisco Union Square. Have fun with your friends or family, or even meet new people at the shared lounge and TV area.
Pick up something memorable for yourself or those waiting for you back at home, at the shops and souvenir shops.


Around the property

Take some time to explore San Francisco (CA) during your stay at the hotel. Get a photograph of yourself in front of Pier 39 located 2.2 km away, a must-see for anyone visiting San Francisco (CA).

What's Included

Check-in/Check-out

Check-in from: 16:00
Check-out until: 11:00

Extras

Breakfast charge (unless included in room price): 42 USD

The property

Number of rooms: 344

Child Policies

Children 0-17 year(s)

Stay for free if using existing bedding.

Facilities & Amenities

Bar
Bathroom
Fitness center
Meeting room / ballrooms
Shower
Free WiFi Available throughout
Activities Tennis, Sauna, Gym
Parking Nearby available

Highlights

440 meters to public transportation

Historic Streetcars is within 440 meters

Located in heart of San Francisco (CA)

This neighborhood is preferred by frequent travelers. Properties here have the highest location ratings, high review scores, and lots of bookings

Shopping and Markets

Alcatraz Island

Location

515 Mason Street, San Francisco Downtown, San Francisco (CA), United States, 94102

Guest Reviews

8.5

Excellent

Guest score out of 10

“Good hotel, great location, helpful staffs.”

— Kurniawan , Indonesia