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515 Mason Street  San Francisco  California  94102  USA 
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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.

Find luxury in our Union Square hotel

NEW GUEST ROOMS. A new luxury offering in San Francisco, the JW Marriott Union Square has completed a multi-million dollar guest room renovation. Reap the benefits of a superb downtown location, luxury accommodations and brilliant amenities. Situated in San Francisco's thriving Union Square neighborhood, we offer travelers easy access to all areas of the city. Arrive at our hotel and immediately feel at ease in our spacious guest rooms and suites, which feature thoughtful details and modern amenities. While nearby activities are innumerable, make time to enjoy facilities like our modern fitness center and our signature bar and restaurant, Level III. Once you're ready to venture out, discover the array of nearby attractions, including AT&T Park, Chinatown, Fisherman's Wharf and Ghirardelli Square. If you're visiting San Francisco on business, you'll love our hotel's proximity to the Financial District as well as our over 12,400 square feet of modern meeting room space.

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Marriott Rewards

Category:9· Points Needed Per Night

4.3 out of 5.0
89% of guests recommend this hotel

Key Amenities

Fitness center
Pet friendly
Meeting/event space

Explore Our Pacific Conference Center

Explore beyond the boardroom and experience the new Pacific Conference Center.

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Hotel Highlights

  • A new luxury offering in San Francisco, the JW Marriott Union Square has completed a multi-million dollar guest room renovation.
  • See the many sides of San Francisco from our Union Square hotel. We're located near AT&T Park and within walking distance of the Financial District.
  • Plan an inspired meeting or wedding at our hotel. We offer an array of luxury venue spaces, the largest of which can accommodate up to 500 guests.

Guest Rooms

Retreat into luxury in our San Francisco hotel suites

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