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JW Marriott San Francisco Union Square

515 Mason Street  San Francisco  California  94102  USA 


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(proof of eligibility required at check-in)

About special rates and awards

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.

Discover the JW lifestyle at JW Marriott San Francisco Union Square. Distinguished among Union Square hotels, our luxurious guest rooms provide the comforts of home with the world-class amenities you expect. From lush pillow-top mattresses, ergonomic Herman Miller Aeron chairs and available 24-hour personal butler service, we pride ourselves on exuding the sophistication and elegance of our City by the Bay. From our state-of-the-art fitness center, to culinary creations showcased at Level Three Restaurant and Bar, to over 13,000 square feet of modern event space, no detail was forgotten in the stunning style that is JW Marriott. With a team of dedicated caterers, wedding/event planners and housekeepers, our San Francisco Union Square hotel's attentive staff is devoted to providing exceptional service from the moment of arrival to final goodbyes. So whether traveling for business, celebrating happily-ever-after or vacationing, you deserve to stay in one of the best hotels in Union Square, San Francisco.

Marriott Rewards category: 8

Rated 4.4 out of 5��by 38 reviewers.

Local Attractions

  • Golden Gate Bridge
  • Alcatraz Island
  • Cable Cars/Powell Street
  • Fisherman's Wharf
  • Chinatown
  • Embarcadero Center/Ferry Terminal
  • Napa Valley Wine Country
  • AT&T Park - home of MLB San Francisco Giants
  • Candlestick Park - home of NFL San Francisco 49'ers

Visit the Local Area 


  • On-site

    Level III Restaurant

    • California
  • Level III Bar

    • Eclectic
  • Dining On-site 
  • Nearby


    • 0.2 km
    • California
  • Farallon

    • 0.2 km
    • Seafood
  • Fleur De Lys

    • 0.6 km
    • French
  • Dining Nearby 

    Check Room Rates & Availability