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JW Marriott San Francisco Union Square

515 Mason Street  San Francisco  California  94102  USA 

Check Rates & Availability

(proof of eligibility required at check-in)

About special rates

To make reservations by phone, dial freephone 0800 221 222 in the UK, 1 800 409 929 in Ireland, or view our regional telephone reservation numbers.

Guest Rooms

  • Distinguished among San Francisco hotels near Union Square, guests enjoy stylish high-tech suites.
  • Rooms feature Bose radios, 46-inch HDTVs, plug-in panels, Herman Miller Aeron chairs and Internet.
  • Our Union Square accommodations feature 24-hour butler service available for your needs.
  • Large showers, separate baths, comfy robes and other modern amenities pamper our guests.
  • Hypo-allergenic rooms set JW Marriott apart from other hotels near Union Square in San Francisco.
  • Our suites in San Francisco boast pillow-top mattresses, luxurious linens and down duvets.
  • This hotel has a smoke-free policy 

Get 25% off if you find a better deal anywhere else on Marriott rooms. We'll match it + and save you even more. View Brand Exclusions & Terms.