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JW Marriott San Francisco Union Square

Updated on Jul 20, 2026

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JW Marriott San Francisco Union Square

Hotels.com logo Lowest Price $266.01 Get Booking Details

Map image for 515 Mason Street SAN FRANCISCO, CA
Located in: SAN FRANCISCO, CA
A restaurant, a 24-hour fitness center, and a bar/lounge are available at this smoke-free hotel. WiFi in public areas is free. Other amenities include a snack bar/deli, valet parking, and conference space.
Housekeeping is available on request.
JW Marriott San Francisco Union Square offers 344 accommodations with laptop-compatible safes and coffee/tea makers. Pillowtop beds feature down comforters and premium bedding. A pillow menu is available. 55-inch Smart televisions come with premium cable channels and Netflix. Rooms have partially open bathrooms. Bathrooms include bathtubs or showers, bathrobes, designer toiletries, and complimentary toiletries.

This San Francisco hotel provides wired and wireless Internet access for a surcharge. Business-friendly amenities include desks, complimentary weekday newspapers, and phones. Additionally, rooms include hair dryers and irons/ironing boards. Hypo-allergenic bedding and change of bedsheets can be requested. A nightly turndown service is provided and housekeeping is offered daily.


Recreational amenities at the hotel include a 24-hour fitness center.

The recreational activities listed below are available either on site or nearby; fees may apply.

Located in Union Square, a neighborhood in San Francisco, JW Marriott San Francisco Union Square is in a shopping district and near the beach. The area's natural beauty can be seen at San Francisco Bay and Presidio of San Francisco, while Bill Graham Civic Auditorium and California Academy of Sciences are popular area attractions. Check out an event or a game at Oracle Park, and consider making time for San Francisco Zoo, a top attraction not to be missed. Sailing and surfing/body boarding offer great chances to get out on the surrounding water, or you can seek out an adventure with horse riding nearby.
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Popular amenities
  • ac
  • bar
  • business services
  • elevator
  • fitness equipment
  • frontdesk 24 hour
  • grocery
  • housekeeping
  • internet
  • laundry
  • no smoking
  • outdoor space
  • parking available
  • restaurant
  • room service
  • soundproof room
  • tv
Property amenities
Food and Drink
  • 1 bar
  • 1 restaurant
  • Room service available
Internet
  • Available in all rooms: WiFi (USD 14.95 per day), Wired Internet (surcharge)
  • Available in some public areas: Free WiFi
Parking
  • Electric car charging station on site
  • Height restrictions apply for onsite parking
  • Valet parking on site (USD 84 per night; includes in/out privileges)
Things to do
  • 24-hour fitness center
  • Bike parking
  • Bike storage
Family Friendly
  • Grocery/convenience store
  • Snack bar/deli
  • Soundproofed rooms
Conveniences
  • ATM/banking services
  • Ballroom
  • Banquet hall
  • Elevator
  • Free newspapers in lobby
  • Front-desk safe
  • Gift shop/newsstand
  • Grocery/convenience store
  • Water dispenser
Guest Services
  • 24-hour front desk
  • Change of bedsheets (on request)
  • Daily housekeeping
  • Dry cleaning service
  • Hair salon
  • Multilingual staff
  • Tour/ticket assistance
  • Turndown service
  • Wedding services
Business Services
  • Conference space (4352 square feet)
  • Meeting rooms - 15
Outdoor
  • Garden
  • Terrace
Language Spoken
  • Chinese (Mandarin)
  • English
  • Farsi
  • Spanish
Accessibility
  • Assistive listening devices available
  • Braille signage
  • Elevator
  • Elevator door width (inches): 36
  • Grab bar near toilet
  • Height-adjustable showerhead
  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • In-room accessibility
  • Lever door handles
  • Low-height door lock
  • Low-height electrical outlets in bathroom
  • Low-height view port in door
  • Toilet grab bar height (inches): 33
  • Valet for wheelchair-equipped vehicle
  • Visual alarms in hallways
  • Wheelchair-accessible doorway width (inches): 36
  • Wheelchair-accessible fitness center
  • Wheelchair-accessible lounge
  • Wheelchair-accessible path of travel
  • Wheelchair-accessible path to elevator
  • Wheelchair-accessible registration desk
  • Wheelchair-accessible restaurant
  • Wheelchair-width doorways
Activities Nearby
  • Beach access
  • Golfing
  • Health/beauty spa
  • Horse riding
  • Sailing
  • Surfing/body boarding
More
  • At least 80% of food locally-sourced
  • At least 80% organic food
  • Biodegradable coffee stirrers
  • Comprehensive food waste policy
  • Fireplace in lobby
  • Local artist showcase
  • Locally-owned & organized tours & activities
  • No plastic coffee stirrers
  • Smoke-free property
  • Vegetarian dining options
  • Water dispenser
Room amenities
Bedroom
  • Air conditioning (climate-controlled)
  • Bed sheets
  • Down comforter
  • Heating (climate-controlled)
  • Hypo-allergenic bedding
  • Pillow menu
  • Pillow-top mattress
  • Premium bedding
Bathroom
  • Bathrobes
  • Bathroom (partially open)
  • Bathtub or shower
  • Designer toiletries
  • Hair dryer
  • Shampoo
  • Soap
  • Toilet paper
  • Towels
Entertainment
  • Cable channels
  • Netflix
  • Premium channels
  • Streaming services
  • 55-inch Smart TV
Food and Drink
  • Coffee/tea maker
More
  • Connecting rooms available
  • Desk
  • Eco-friendly cleaning products provided
  • Free newspapers (weekdays)
  • Iron/ironing board
  • LED light bulbs
  • Laptop-compatible safe
  • Laptop-friendly workspace
  • Mobile key entry
  • Phone
  • Recycling
  • Soundproofing
  • Turndown service
  • Water-efficient showers only
  • Water-efficient toilets only
Policies
Check-in
  • Check-in start time: 4 PM; Check-in end time: midnight
  • Contactless check-in available
  • Express check-in available
  • Late check-in subject to availability
Check-out
  • Check-out before 11 AM
  • Contactless check-out available
  • Express check-out available
Pets
  • Pets allowed for an extra charge of USD 100.00 per accommodation, per stay, plus a deposit of USD 100 per stay
  • Service animals are welcome, and are exempt from fees
  • Up to 25 lbs per pet
Special check-in instructions
  • Cashless transactions are available
  • 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
  • Noise-free guestrooms cannot be guaranteed
  • Safety features at this property include a carbon monoxide detector, a fire extinguisher, a smoke detector, a security system, a first aid kit, and window guards
  • 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
  • This property affirms that it follows the cleaning and disinfection practices of Commitment to Clean (Marriott)
Property payment types
  • American Express
  • Diners Club
  • Discover
  • JCB International
  • Mastercard
  • Visa
Important Information
Fees
  • You'll be asked to pay the following charges at the property. Fees may include applicable taxes:
  • Destination fee: USD 44.66 per accommodation, per night
  • We have included all charges provided to us by the property.
Optional extras
  • 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 84 per night (in/out privileges)Pet deposit: USD 100 per stayPet fee: USD 100.00 per accommodation, per stayService animals are exempt from fees
  • The above list may not be comprehensive. Fees and deposits may not include tax and are subject to change.
You need to know
  • Cashless transactions are available
  • 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
  • Noise-free guestrooms cannot be guaranteed
  • Safety features at this property include a carbon monoxide detector, a fire extinguisher, a smoke detector, a security system, a first aid kit, and window guards
  • 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
  • This property affirms that it follows the cleaning and disinfection practices of Commitment to Clean (Marriott)
We should mention
  • Parking height restrictions apply
  • 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
  • This property welcomes guests of all sexual orientations and gender identities (LGBTQ+ friendly)
 

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