JW Marriott San Francisco Union Square

515 Mason Street, San Francisco, USA
Good
964 reviews
8.6

Check-in dates

07.10.2026
to
08.10.2026

Guests and Rooms

2 adults · 0 children · 1 room
Location

With a stay at JW Marriott San Francisco Union Square, you'll be centrally located in San Francisco, steps from Union Square and within a 5-minute drive of Moscone Convention Center. This luxury hotel is 1.7 mi (2.7 km) from Oracle Park and 1.8 mi (2.9 km) from San Francisco Bay.

Amenities

Take advantage of recreation opportunities such as a 24-hour fitness center or take in the view from a terrace and a garden. Additional amenities at this hotel include complimentary wireless internet access, gift shops/newsstands, and a hair salon.

Rooms

Stay in one of 344 guestrooms featuring Smart televisions. Your pillowtop bed comes with down comforters and premium bedding. 55-inch flat-screen televisions with premium TV channels provide entertainment, with wired and wireless internet access available for a surcharge. Partially open bathrooms with showers feature designer toiletries and hair dryers.

Dining

Enjoy Californian cuisine at Level III Restaurant, a restaurant which features a bar/lounge, or stay in and take advantage of the room service (during limited hours).

Attractions

Distances are displayed to the nearest 0.1 mile and kilometer.

Union Square - 0.2 km / 0.1 mi
SHN Curran Theatre - 0.2 km / 0.1 mi
Westin St Francis Hotel Glass Elevators - 0.2 km / 0.1 mi
450 Sutter Building - 0.3 km / 0.2 mi
SF Masonic Auditorium - 0.5 km / 0.3 mi
Grace Cathedral - 0.6 km / 0.4 mi
Warfield Theatre - 0.7 km / 0.4 mi
Westfield San Francisco Centre - 0.7 km / 0.4 mi
Golden Gate Theatre - 0.8 km / 0.5 mi
Palace Hotel - 0.9 km / 0.6 mi
555 California Street - 1 km / 0.6 mi
The Regency Ballroom - 1.1 km / 0.7 mi
San Francisco Museum of Modern Art - 1.1 km / 0.7 mi
Great American Music Hall - 1.1 km / 0.7 mi
Van Ness Avenue - 1.1 km / 0.7 mi

The nearest airports are:
Oakland Intl. Airport (OAK) - 30.6 km / 19 mi
San Francisco Intl. Airport (SFO) - 23.1 km / 14.4 mi
San Carlos, CA (SQL) - 40.2 km / 25 mi
Concord, CA (CCR-Buchanan Field) - 47 km / 29.2 mi

The preferred airport for JW Marriott San Francisco Union Square is San Francisco Intl. Airport (SFO).

Business Amenities

Featured amenities include express check-in, express check-out, and complimentary newspapers in the lobby. Planning an event in San Francisco? This hotel has 4352 square feet (404 square meters) of space consisting of conference space and 15 meeting rooms.

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Facilities

Dry cleaning/laundry service
Gift shops or newsstand
Comprehensive recycling policy
Vegetarian breakfast available
Eco-friendly cleaning products used
Biodegradable/compostable stirrers
Number of meeting rooms - 15
No single-use plastic stirrers
Conference space size (meters) - 404
Sailing nearby
Free WiFi
Bicycle parking available
Number of bars/lounges - 1
Braille or raised signage
Assistive listening devices available
Tours/ticket assistance
Fireplace in lobby
Comprehensive food waste policy
Energy-saving switches
Eco-friendly cleaning products provided
Recycling
LED light bulbs
Wheelchair-accessible lounge
No accessible shuttle
Vegetarian menu options available
Wheelchair-accessible on-site restaurant
Visual alarms in hallways
Horse riding nearby
Multilingual staff
Water dispenser
Electric car charging station
Secured bicycle storage
Elevator
Fitness facilities
Locally-sourced food on site (80% or more)
Organic food
Showcase for local artists
Wheelchair accessible (may have limitations)
Banquet hall
Ballroom
Locally-owned & organized tours & activities
Health or beauty spa nearby
Express check-in
Wheelchair-accessible path to elevator
Meeting rooms
Change of bed sheets (on request)
Valet for wheelchair-equipped vehicle
Wheelchair-accessible registration desk
Wheelchair-accessible fitness center
Garden
Free newspapers in lobby
Wedding services
24-hour fitness facilities
Elevator door width (inches) - 36
Water-efficient toilets only
Water dispenser use by guests actively encouraged
Elevator door width (centimeters) - 91
Water-efficient showers only
Grocery/convenience store
Express check-out
24-hour front desk
Number of restaurants - 1
Housekeeping on request
Golfing nearby
Smoke-free property
Safe-deposit box at front desk
Snack bar/deli
Surfing/bodyboarding nearby
Conference space
Valet parking (surcharge)
Terrace
Hair salon
Wheelchair accessible path of travel
ATM/banking
Conference space size (feet) - 4352

Helpful Information

Check-in / Check-out
Check-in from: 4:00 PM
Check-out until: 11:00 AM
Additional check-in information
  • Extra-person charges may apply and vary depending on property policy
  • Government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges
  • Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
  • This property accepts credit cards; cash is not accepted
  • Cashless transactions are available
  • This property uses eco-friendly cleaning products
  • Noise-free guestrooms cannot be guaranteed
  • Safety features at this property include a fire extinguisher, a security system, a first aid kit, and window guards
  • This property affirms that it follows the cleaning and disinfection practices of Commitment to Clean (Marriott)
Check-in Special Instructions
An adult age 18 or older must assume all liability for the booking. Front desk staff will greet guests on arrival.
Mandatory Fees

You'll be asked to pay the following charges at the property. Fees may include applicable taxes:

  • Destination fee: USD 35.03 per accommodation, per night

We have included all charges provided to us by the property.

Optional Fees
  • Fee for in-room wireless internet: USD 14.95 per day (rates may vary)
  • Fee for in-room wired internet: USD 17.95 per day (rates may vary)
  • Valet parking fee: USD 73 per night (in/out privileges)
  • Pet deposit: USD 100 per stay
  • Pet fee: USD 100.00 per accommodation, per stay
  • Service animals are exempt from fees

The above list may not be comprehensive. Fees and deposits may not include tax and are subject to change.

Know Before You Go
  • The property has connecting/adjoining rooms, which are subject to availability and can be requested by contacting the property using the number on the booking confirmation.
  • Parking height restrictions apply.
  • Cashless payment methods are available for all transactions and guests can access their rooms with a mobile device.
  • Contactless check-in and contactless check-out are available.
  • This property welcomes guests of all sexual orientations and gender identities (LGBTQ+ friendly).

Guest rating

8.6
Good
964 reviews
Comfort
8.8
Overall
8.6
Service
8.8
Location
10.0
Amenities
8.4
Condition
8.8
Cleanliness
9.2
Neighborhood
9.0
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