Skip Main Navigation

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 and awards

To make reservations by phone, call 1-800-228-9290 in the USA and Canada (or any of our worldwide reservation telephone 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, San Francisco, hotel has 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.
  • Pillow-top mattresses topped with luxurious linens and down duvets provide a sound night's sleep.
  • This hotel has a smoke-free policy 
  • Book 10 or more rooms at this hotel 

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.

  • Close
    Guest room
    1 King
    Guest room
    1 King

    Room images may not correspond to the actual room received.

        Check Room Rates & Availability

      View Room Details

      Room Overview
      Room Amenities
      In-room Media
    • Close
      Double Griffin
      Guest room, 2 Queen
      Double Griffin
      Guest room, 2 Queen

      Room images may not correspond to the actual room received.

          Check Room Rates & Availability

        View Room Details

        Room Overview
        Room Amenities
        In-room Media
      • Close
        Guest room
        1 King, City view
        Guest room
        1 King, City view

        Room images may not correspond to the actual room received.

            Check Room Rates & Availability

          View Room Details

          Room Overview
          Room Amenities
          In-room Media
        • Close
          Pure Allergy Free
          Guest room, 1 King
          Pure Allergy Free
          Guest room, 1 King

          Room images may not correspond to the actual room received.

              Check Room Rates & Availability

            View Room Details

            Room Overview
            Room Amenities
            In-room Media
          • Close
            Junior Suite
            1 King
            Junior Suite
            1 King

            Room images may not correspond to the actual room received.

                Check Room Rates & Availability

              View Room Details

              Room Overview
              Room Amenities
              In-room Media
            • Close
              Pacific Suite
              1 Bedroom 2 room Suite, 1 King or 2 Double, Bathrooms: 2, City view, Corner room
              Pacific Suite
              1 Bedroom 2 room Suite, 1 King or 2 Double, Bathrooms: 2, City view, Corner room

              Room images may not correspond to the actual room received.

                  Check Room Rates & Availability

                View Room Details

                Room Overview
                Room Amenities
                In-room Media
              • Close
                California Suite
                1 Bedroom Presidential Suite, 1 King, Bathrooms: 2, City view, Corner room
                California Suite
                1 Bedroom Presidential Suite, 1 King, Bathrooms: 2, City view, Corner room

                Room images may not correspond to the actual room received.

                    Check Room Rates & Availability

                  View Room Details

                  Room Overview
                  Room Amenities
                  In-room Media
                • Close
                  Club lounge access
                  Guest room, 1 King
                  Club lounge access
                  Guest room, 1 King

                  Room images may not correspond to the actual room received.

                      Check Room Rates & Availability

                    View Room Details

                    Room Overview
                    Room Amenities
                    In-room Media