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11/11/2026 - 11/12/2026
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JW Marriott San Francisco Union Square

515 Mason Street, San Francisco, CA

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(888) 450-6644
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JW Marriott San Francisco Union Square Amenities

Dry cleaning/laundry service
Gift shops or newsstand
Vegetarian breakfast available
Eco-friendly cleaning products used
Number of meeting rooms - 15
Conference space size (meters) - 404
Sailing nearby
Free WiFi
Bicycle parking available
Number of bars/lounges - 1
Comprehensive food waste policy
Eco-friendly cleaning products provided
LED light bulbs
Wheelchair-accessible lounge
Wheelchair-accessible on-site restaurant
Multilingual staff
Water dispenser
Electric car charging station
Elevator
Fitness facilities
Locally-sourced food on site (80% or more)
Organic food
Wheelchair accessible (may have limitations)
Banquet hall
Health or beauty spa nearby
Wheelchair-accessible path to elevator
Meeting rooms
Wheelchair-accessible fitness center
Garden
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
24-hour front desk
Number of restaurants - 1
Golfing nearby
Smoke-free property
Safe-deposit box at front desk
Snack bar/deli
Surfing/bodyboarding nearby
Conference space
Valet parking (surcharge)
Hair salon
Wheelchair accessible path of travel
ATM/banking
Conference space size (feet) - 4352

Policies

Check-in: 3:00 PM, minimum check-in age 18. Check-out: 11:00 AM

JW Marriott San Francisco Union Square Hotel Details

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. 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). 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. 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.
JW Marriott San Francisco Union Square
515 Mason Street, San Francisco, CA
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Rooms
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Adults
2
Children
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Rooms must be less than number of adults
Children's ages must be provided
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