JW Marriott San Francisco Union Square

San Francisco, CA Hotel
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ChainMarriott International Hotels
JW Marriott
Total Meeting Space1,200 sq. m
Guest Rooms344
515 Mason Street
San Francisco, CA 94102

JW Marriott San Francisco Union Square

San Francisco, CA Hotel
Learn how the Cvent Supplier Network works


Forbes Travel Guide


Forbes 4 Stars


Room Features and Guest Services

  • Calls (Local)
  • Calls (Toll-Free)
  • Concierge Services
  • Laundry Service
  • Room Service
  • Voicemail Box


  • Onsite Catering
  • Onsite Gift Shop
  • Onsite Restaurant
  • Onsite Security
  • Pet Friendly
  • Rental Car Service
  • Wheelchair Accessible


  • AV Capabilities
  • Business Center
  • Video Conference

Recreational Activities

  • Health Club
  • Spa or Salon

Venue Accessible By

  • Subway
  • Taxi

Image Gallery


Meeting Space

Total Meeting Space1,200 sq. m
Meeting Rooms15
Largest Room404 sq. m
Second Largest Room193 sq. m

Guest Rooms

Total Guest Rooms344




Local Attractions

Golden Gate Bridge

Historical Landmark
20 minutes away
The Golden Gate Bridge is a suspension bridge spanning the Golden Gate strait, the one-mile-wide, one-point-seven-mile-long channel between San Francisco Bay and the Pacific Ocean. The Bridge connects the northern tip of San Francisco to Marin County.


10 minutes away
The Chinatown centered on Grant Avenue and Stockton Street in San Francisco, California, is the oldest Chinatown in North America and the largest Chinese enclave outside Asia. It is the oldest of the four notable Chinatowns in the city. Since its establishment in 1848, it has been highly important and influential in the history and culture of ethnic Chinese immigrants in North America. Chinatown is an enclave that continues to retain its own customs, languages, places of worship, social clubs, and identity.

Alcatraz Island

Historical Landmark
30 minutes away
Alcatraz Island is located in the San Francisco Bay. The small island was developed with facilities for a lighthouse, a military fortification, a military prison , and a federal prison from 1934 until 1963. In 1972, Alcatraz became part of a national recreation area and received designation as a National Historic Landmark in 1986. Today, the island's facilities are managed by the National Park Service as part of the Golden Gate National Recreation Area; it is open to tours. Visitors can reach the island by ferry ride from Pier 33, near Fisherman's Wharf, San Francisco.

Embarcadero Center/Ferry Terminal

15 minutes away
The San Francisco Ferry Building is a terminal for ferries that travel across the San Francisco Bay, a food hall and an office building. It is located on The Embarcadero in San Francisco, California.
1 Ferry Building
San Francisco, CA 94111

Cable Cars/Powell Street

Historical Landmark
5 minutes away
At Powell and Market streets, there is a cable car turntable which serves as the beginning stop for two lines, the Powell-Mason and Powell- Hyde lines. The Powell-Mason line begins at the Powell/ Market turntable, and the line runs from there up and over Nob Hill and down to Bay Street at Fisherman's Wharf.
Powell & Market Streets

Napa Valley Wine Country

60 minutes away
The Wine Country is an area of Northern California in the United States known worldwide as a premium wine-growing region. Viticulture and wine-making have been practiced in the region since the mid-19th century. There are over 400 wineries in the area north of San Francisco, mostly located in the area's valleys, including Napa Valley in Napa County. Cities and towns associated with the Wine Country include Santa Rosa, Healdsburg, Sonoma, Kenwood, Petaluma, Sebastopol, Guerneville, Windsor, Geyserville, and Cloverdale in Sonoma County; Napa, Yountville, Rutherford, St. Helena and Calistoga in Napa County; and Hopland and Ukiah in Mendocino County.

Fisherman's Wharf

15 minutes away
Fisherman's Wharf is a neighborhood and popular tourist attraction in San Francisco, California. It roughly encompasses the northern waterfront area of San Francisco from Ghirardelli Square or Van Ness Avenue east to Pier 35 or Kearny Street.
100 Jefferson Street
San Francisco, CA 94133

AT&T Park - home of MLB San Francisco Giants

20 minutes away
AT&T Park is a baseball park located in the South Beach neighborhood of San Francisco, California. Since 2000, it has served as the home of the San Francisco Giants, the city's Major League Baseball (MLB) franchise. Originally named Pacific Bell Park, then SBC Park in 2003 after SBC Communications acquired Pacific Bell, the stadium was ultimately christened AT&T Park in 2006 following SBC's buyout of AT&T.
24 Willie Mays Plaza
San Francisco, CA 94107

Distance from Airport

  • 22.53 km from Venue


  • Paid Parking
  • Valet Parking


The JW Marriott San Francisco Union Square exudes sophistication and elegance from the cultural heart of the City by the Bay. From the moment of arrival, guests will get a sense of the architecturally stunning style, and world-class service that distinguishes the hotel. The dedicated planners and catering teams make business, meetings, and weddings something to remember. This luxury hotel on Union Square affords convenience to Moscone Center, Market Street, the Financial District and Orpheum Theatre as well as popular restaurants, boutiques and tourist attractions. With 1,6648 square feet of unique space and natural lighting in several of 19 meeting rooms, paired with luxury service, there is nowhere better to host your next San Francisco meeting.


High Season
Sep 7 – Nov 14
Shoulder Season
Nov 15 – Dec 31
Low Season

Cancellation Policy

72 Hours

Additional Information

Our hotel features a select inventory of PURE guestrooms. These rooms have gone through a comprehensive process to dramatically improve the air quality and nearly eliminate most irritants that keep guests from resting comfortably. A PURE room is an allergy-friendly, healthy alternative for every guest.


Additional Material

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