JW Marriott San Francisco Union Square

515 Mason Street, San Francisco, California 94102 USA
+1 415-771-8600

Find tranquility in our downtown hotel with 4-Star amenities

Rewards Category 6 Points needed per night

Take a restful break from San Francisco's vibrant downtown area in our reimagined, luxury retreat at JW Marriott San Francisco Union Square. Our 4-Star hotel is an ideal choice for a vacation in the heart of Union Square near San Francisco's most notable points of interest, including Chinatown, Fisherman's Wharf, Ghirardelli Square and the Financial District. Exquisitely appointed, our spacious accommodations feature exquisite furnishings and sleek, spa-inspired bathrooms. Boost your energy with an invigorating workout in our hotel's modern fitness center or enjoy fine dining in our delicious restaurant with locally-sourced cuisine and artisanal cocktails at Level III. Business travelers will appreciate our downtown hotel's modern event venues with 16,648 square feet of space, advanced technology, open-air terraces and a highly-versatile Pacific Conference Center. Discover our well-located hotel for a memorable experience at JW Marriott San Francisco Union Square.

Show More

Guest Reviews

4.3 out of 5.0
89% of guests recommend this hotel

Hear from our guests about their stay from 965 confirmed guest reviews

Earn More Points

Find the credit card that's right for you

Enjoy special benefits.

Key Amenities

  • Fitness center
  • Pet friendly
  • Meeting event space
  • Parking


  • Settle in for a relaxing stay in downtown San Francisco with 4-Star hotel rooms and guest suites boasting exceptional amenities.

  • Take advantage of our Union Square location near San Francisco's top neighborhoods, including Fisherman's Wharf, Chinatown and the Financial District.

  • Enjoy the wealth of amenities at our luxury hotel, including farm-to-table dining, a fully-equipped fitness center and well-appointed event venues.

SF Bay Area Savings Up To 20% off – Reserve Now

Plan your San Francisco Bay Area trip before April and save up to 20%. Plus, Marriott Bonvoy members will enjoy extra savings on weekends.

Guest Rooms

Unwind in our contemporary San Francisco hotel suites

Check room rates & availability

back to top