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From175US$ /night
Check-in
26Oct2025Select date
Check-out
27Oct2025Select date
Rooms and Guests2 Guests, 1 Room
Key details

About the Hotel

515 Mason Street, San Francisco, California, United States, 94102

JW Marriott San Francisco Union Square - A 4-star downtown hotel with farm-to-table dining, 16648 sq ft of event space, and modern fitness facilities

Located one block northwest of Union Square at Post and Mason Streets, this San Francisco hotel occupies a striking 19-story atrium building from 1987. The 344 rooms feature premium bedding, pillow menus, laptop-compatible safes, and spa-inspired bathrooms. Level III Restaurant serves farm-to-table cuisine using Bay Area produce, offering breakfast, lunch, and dinner daily, while Level III Bar provides cocktails and light bites. The property includes a 24-hour fitness center equipped with Peloton bikes and comprehensive workout facilities. Business travelers have access to 16648 square feet of meeting space with advanced AV technology and open-air terraces in the Pacific Conference Center. The JW Marriott's position grants direct access to Union Square's couture shops, with Chinatown 0.5 miles away and attractions like Fisherman's Wharf and Ferry Building within 1 mile.

Pros

19-story atrium design provides dramatic architectural appeal

24/7 fitness center features Peloton bikes

On-site convenience store stocks travel essentials and snacks

Multiple language services available: English, Chinese, Spanish, and Tagalog

Cons

Maximum vehicle height for parking is 6 feet 4 inches

14-mile distance from San Francisco Airport

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Select your room type

Cozy rooms, spacious suites, and family-friendly homes, all with flexible cancellation policies & special deals
Queen Room Two Queen Beds Hearing Accessible
2 persons
33 m² 
2 King Size Beds
Shower
Coffee machine
King Room Hearing Accessible
2 persons
33 m² 
1 King-size bed
Shower
Coffee machine
Guest Room Two Queen Beds City View
2 persons
33 m² 
1 King-size bed
Shower
Coffee machine
King Room
2 persons
33 m² 
1 King-size bed
Shower
Coffee machine
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Getting around

Easily find local transportation options to help you explore

City Centre
San Francisco 1.7 km
Airports
San Francisco International (SFO) 22.9 km
Oakland International (OAK) 31.4 km
Train
F Market Street Car 1.7 km
Caltrain - 4th & King Street Station 1.9 km
Underground
Powell Street Station500 m
Bus
Bus stop100 m

Facilities

Enjoy premium amenities for a relaxing stay with your pet

General

  • No smoking on site
  • Paid Wi-Fi
  • Parking
  • Safe deposit box
  • 24-hour reception
  • Express check-in/ -out
  • Pets allowed
  • Rooms/ Facilities for disabled
  • Wheelchair access
  • 24-hour security
  • Lift
  • Currency exchange
  • ATM/Cash machine
  • Smoke detectors
  • Electric vehicle charging station
  • Fire extinguishers
  • Key card access

Sports & Fitness

  • Fitness centre

Guest Parking

  • Electric kettle

Services

  • Valet parking
  • Room service
  • Car hire
  • Dry cleaning
  • Tours/Ticket assistance
  • Welcome drink
  • Happy hour

Dining

  • In-room breakfast
  • Restaurant
  • Snack bar
  • Bar/ Lounge area
  • Special diet menus

Business

  • Meeting/ Banquet facilities
  • Fax/Photocopying

Children

  • Cots

Facilities for people with disabilities

  • Toilet for disabled
  • Bathroom for disabled

Spa & Leisure

  • Leisure/ TV room

Room features

  • Wi-Fi in rooms
  • Air conditioning
  • Heating
  • Mini-bar
  • Sitting area
  • Terrace
  • Garden furniture
  • Tea and coffee facilities
  • Dining table
  • Ironing facilities

Bathroom

  • Free toiletries
  • Sink

Self-catering

  • Electric kettle

Media

  • Flat-screen TV
  • AM/FM alarm clock

Room decor

  • Carpeted floor
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Location

515 Mason Street, San Francisco, California, United States, 94102
Map view
515 Mason Street, San Francisco, California, United States, 94102
Nearby
Shopping Area
Union Square
300 m
Bush St What3words: ///also.secret.ever
Dragon's Gate
520 m
Gallery
Xanadu Gallery
450 m
Restaurants
Sears Fine Food
270 m
439 Powell Street
Lori's Diner
230 m
500 Sutter St
Rambler at Hotel Zeppelin
150 m
545 Post St Hotel Zeppelin
Colibri Mexican Bistro
240 m
438 Geary St
Level III Restaurant
10 m
515 Mason St JW Marriott San Francisco Union Square
Fino Bar & Ristorante
300 m
624 Post St
Cesario's
80 m
601 Sutter St
Scala's Bistro
280 m
432 Powell St
Bar 587
200 m
587 Post St
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Check-in
26Oct2025Select date
Check-out
27Oct2025Select date
Rooms and Guests2 Guests, 1 Room