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Rooms and Guests2 Guests, 1 Room
Key details

Hotel Details

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, modern event spaces, and a 19-story atrium

Located one block northwest of Union Square at Post and Mason Streets, this 344-room San Francisco hotel occupies a distinctive 1987 building featuring a 19-story central atrium. The property houses Level III Restaurant, serving farm-to-table cuisine with locally sourced Bay Area produce, open daily from 6:30 AM to 10:00 PM. The Level III Bar offers handcrafted cocktails and light bites in a modern setting. JW Marriott's fitness center operates 24/7 with cardio equipment, free weights, and Peloton bikes. Business facilities include 16648 square feet of event space with advanced AV technology and open-air terraces. Guest rooms feature LCD TVs, ergonomic workstations, coffee machines, and spa-inspired bathrooms. The Marriott's position provides direct access to the Financial District, Chinatown, Fisherman's Wharf, Oracle Park, and Moscone Center.

Pros

24-hour fitness center equipped with Peloton bikes

On-site convenience store stocked with travel essentials

Multilingual staff speaking English, Chinese, Spanish, and Tagalog

Club Lounge on the top floor offering city and Golden Gate Bridge views

Cons

14-mile distance from San Francisco Airport

Vehicle height restriction of 6 feet 4 inches for valet parking

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Select room type

Choose from double rooms, family suites, and premium stays. Enjoy breakfast, flexible cancellations, and exclusive 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
Studio Suite
2 persons
43 m² 
1 King-size bed and 1 Sofa bed
Shower
Coffee machine
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Getting around

Discover available transportation options for smooth travel around the city

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

Hotel has comfortable rooms, premium services, and a prime downtown location

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
24Oct2025Select date
Check-out
25Oct2025Select date
Rooms and Guests2 Guests, 1 Room