Skip Main Navigation
  • Collapsed Find & Reserve Hotels, Deals & More
  • English–UK & Ireland countryflags_UK
  • Collapsed Reservations View & Manage
  • Join Now Sign In or Join Marriott Rewards

515 Mason Street  San Francisco  California  94102  USA 
Check Rates & Availability
Select

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.

Explore the City by the Bay from our San Francisco hotel

Discover the JW lifestyle at JW Marriott San Francisco Union Square. Distinguished among hotels in Union Square, our 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 24-hour butler service, we pride ourselves on exuding the sophistication of our City by the Bay. Staying at our luxury hotel near Union Square guarantees you will be surrounded by the best events, must-see sights and premiere shopping that Union Square has to offer. We also boast over 13,000 square feet of event space, ideal for social events, weddings and business meetings. With a team of dedicated caterers, event planners and housekeepers, our Union Square San Francisco hotel is devoted to providing exceptional service from the moment of arrival to final goodbye. Whether traveling for business or leisure, you deserve to stay at the best luxury hotel near Union Square, San Francisco.

Map & Local Area

Marriott Rewards

Category:9· Points Needed Per Night

4.4 out of 5.0
Cleanliness
4.6
Service
4.4
91% of guests recommend this hotel

Key Amenities

Fitness center
Pet friendly
Meeting/event space
Parking

Explore Our Pacific Conference Center

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

Learn More

Hotel Highlights

  • Our Union Square San Francisco hotel is conveniently located near Moscone Convention Center, Chinatown and The Financial District.
  • Discover JW Marriott, featuring spacious guest rooms with pillow-top mattresses, ergonomic Herman Miller Aeron chairs and luxurious amenities.
  • Available 24-hour butler service and a world-class staff distinguishes us from other luxury hotels in San Francisco.

Guest Rooms

Discover luxury hotel rooms and suites in San Francisco

View All Guest Rooms

When you Book Direct on Marriott.com

Only pay when you stay

Avoid upfront payments.

Exclusions apply

Change your mind

Modify or cancel your reservation.

Exclusions apply

Your room, your way

Request room extras when you book.

Conditions apply

It Pays to Book Direct

Deals & Promotions

Free Wi-Fi. Mobile check-in. Exclusive benefits.

Join and they’re all yours.

View All Deals & Promotions

Check Room Rates & Availability

JW Marriott® Hotel San Francisco Union Square