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JW Marriott San Francisco Union Square

515 Mason Street, San Francisco, CA, USA, 94102
Venue image

About us

An iconic hotel in an indelible gateway city, JW Marriott San Francisco Union Square is a sought-after destination for convention attendees, business travelers and leisure guests alike. From the moment of arrival, guests will be immersed in the architecturally stunning style and world-class service that distinguishes the hotel. For those seeking convenience, Moscone Center, Market Street, the Financial District and the shops and restaurants on Union Square are only minutes away.Following a multi-million dollar renovation, our updated event spaces and accommodations celebrate the hotel’s iconic architecture and history. Dedicated event planners and our inspired catering team ensure every event – whether a business meeting, conference, social soirée or wedding – leaves your guests feeling richer than when they arrived.Featuring 16,648 square feet of distinct, modern indoor and outdoor space, warm and personalized service, exceptional dining experiences and inspired accommodations, our luxury Union Square hotel offers the perfect setting for your next meeting or event.

Venue Details

ChainMarriott Bonvoy
BrandJW Marriott
Built1987
Renovated2019
Total meeting space12,242 sq. ft.
Guest Rooms344
Venue typeHotel

Industry Ratings

Forbes Travel Guide
AAA
Northstar

Awards

Industry awards
Forbes Recommended - 2025 AAA 4 Diamond Forbes Recommended - 2024 Forbes Top 10 in San Francisco for Business Travelers Ranks #1 across entire JW Brand in Event Planning

Amenities

Room features and guest services
  • Calls (local)
  • Calls (toll-free)
  • Laundry service
  • Luggage storage
  • Room service
  • View (urban)
  • Voicemail box
Facilities
  • Onsite catering
  • Onsite gift shop
  • Onsite restaurant
  • Onsite security
  • Pet friendly
  • Rental car service
  • Space (outdoor)
  • Space (private)
  • Space (semi-private)
  • Wheelchair accessible

Meeting rooms

Total meeting space
12,242 sq. ft.
Largest room
4,352 sq. ft.
Space (private)
15,000 sq. ft.
Meeting rooms
15
Second largest room
2,074 sq. ft.
Space (semi-private)
2,000 sq. ft.
Space (outdoor)
600 sq. ft.
Explore Meeting Rooms
Explore Meeting Rooms
Find the perfect room with setup charts and interactive 3D floor plans.

Meeting space

Name
Room size
Ceiling height
Maximum capacity
U-Shape
Banquet rounds
Theater
Classroom
Boardroom
4,352 sq. ft.
64 x 68 sq. ft.
12.5 ft.
400
64
330
400
234
60
2,074 sq. ft.
61 x 34 sq. ft.
12.5 ft.
218
57
150
218
104
58
1,088 sq. ft.
32 x 34 sq. ft.
12.5 ft.
96
30
80
96
66
30
986 sq. ft.
29 x 34 sq. ft.
12.5 ft.
118
30
80
118
66
30
2,074 sq. ft.
61 x 34 sq. ft.
12.5 ft.
218
57
150
218
104
58
499 sq. ft.
27 x 19 sq. ft.
9 ft.
50
24
40
50
30
24
352 sq. ft.
24 x 15 sq. ft.
9 ft.
40
15
30
40
24
16
315 sq. ft.
21 x 15 sq. ft.
9 ft.
28
14
20
28
18
16
252 sq. ft.
21 x 12 sq. ft.
9 ft.
10
-
10
--
10

Guest rooms

Total guest rooms
344
Suites
78
Tax rate
3.5%
Occupancy rate
14%

Location

Getting Here

Distance from airport 20 mi
Parking in the area
Valet parking

Local Attractions

Golden Gate Bridge
Golden Gate Bridge
Historical landmark
20 mins
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.
N/A
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Alcatraz Island
Alcatraz Island
Historical landmark
30 mins
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.
N/A
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Cable Cars/Powell Street
Cable Cars/Powell Street
Historical landmark
5 mins
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
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Fisherman's Wharf
Fisherman's Wharf
Recreation
15 mins
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
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Chinatown
Chinatown
Recreation
10 mins
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.
N/A
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Embarcadero Center/Ferry Terminal
Embarcadero Center/Ferry Terminal
Recreation
15 mins
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
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Napa Valley Wine Country
Napa Valley Wine Country
Recreation
60 mins
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.
N/A
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Oracle Park - home of MLB San Francisco Giants
Oracle Park - home of MLB San Francisco Giants
Recreation
20 mins
Oracle 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
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Moscone Center
Moscone Center
Convention center
10 mins
Moscone Center is the largest convention and exhibition complex in San Francisco, California. It comprises three main halls: Two underground halls underneath Yerba Buena Gardens, known as Moscone North and Moscone South, and a three-level Moscone West exhibition hall across 4th Street.
747 Howard Street
San Francisco, CA 94103
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Financial District
Financial District
Business district
10 mins
The Financial District is a neighborhood in San Francisco, California, that serves as its main central business district. It is home to the city's largest concentration of corporate headquarters, law firms, insurance companies, real estate firms, banks, savings and loans, and other financial institutions. All six San Francisco Fortune 500 companies—McKesson, Wells Fargo, PG&E, Gap, Charles Schwab, and Salesforce.com—are located in the district.
N/A
Westfield San Francisco Centre
865 Market St
San Francisco, CA, US 94103
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Union Square
Union Square
Shopping
5 mins
Union Square is a 2.6-acre public plaza bordered by Geary, Powell, Post and Stockton Streets in downtown San Francisco, California. "Union Square" also refers to the central shopping, hotel, and theater district that surrounds the plaza for several blocks. This one-block plaza and surrounding area is one of the largest collections of department stores, upscale boutiques, gift shops, art galleries, and beauty salons in the United States, making Union Square a major tourist destination, a vital, cosmopolitan gathering place in downtown San Francisco, and one of the world's premier shopping districts
N/A
Civic Center
Civic Center
Historical landmark
15 mins
The Civic Center in San Francisco, California, is an area of a few blocks north of the intersection of Market Street and Van Ness Avenue that contains many of the city's largest government and cultural institutions. It has two large plazas (Civic Center Plaza and United Nations Plaza) and a number of buildings in classical architectural style.
Market & Van Ness
August Hall
420 Mason St
San Francisco, CA, US 94102
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Davies Symphony Hall
201 Van Ness Ave
San Francisco, CA, US 94102
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American Conservatory Theater
30 Grant Ave
San Francisco, CA, US 94108
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Asian Art Museum
200 Larkin St
San Francisco, CA, US 94102
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Saint Francis Memorial Hospital
900 Hyde St
San Francisco, CA, US 94109
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San Francisco Federal Courthouse
90 7th St
San Francisco, CA, US 94103
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Ripley's Believe It or Not!
175 Jefferson St
San Francisco, CA, US 94133
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California Academy of Sciences
Visit website

Nearby vendors

Bloomingdale's
Bloomingdale's
multi-city
Bloomingdale's is America's only nationwide, full-line, upscale department store and a division of Macy's, Inc. It was founded in 1872 and currently operates 35 Bloomingdale's stores in California, Connecticut, Florida, Georgia, Hawaii, Illinois, Maryland, Massachusetts, New Jersey, New York, Pennsylvania, and Virginia. Our tourism program is available for individual visitors/groups at our stores in New York, San Francisco, Chicago, Aventura, and Honolulu. All day savings certificate includes 10% off best fashion and home brands or all day cosmetics saving certificate with 10% off after $200 spend (includes fashion and home). Additionally, customers can participate in gift with purchase events, appointments with stylists, private events, and beauty masterclasses.
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Lip Smacking Foodie Tours
Lip Smacking Foodie Tours
multi-city
Lip Smacking Foodie Tours hosts award-winning VIP group dining experiences with visits to the top restaurants throughout the United States. Choose either a daytime activity or evening dine-around where groups are escorted immediately to the best tables in the house at the most-sought-after restaurants to enjoy a parade of signature dishes and craft cocktails at each venue, all with complete VIP service. This unique experience gives guests the opportunity to sit next to different colleagues at each venue to mix, mingle, and easily network. Each tour is led by a professional guide specializing in escorting large groups with utmost care, who personalizes each experience with fun and engaging information along the way. Lip Smacking Foodie Tours are both an entertaining activity and unique dining experience melded into one, that are sure to add new vitality to meeting events, from conferences to team building. All-Inclusive Group Dining When meeting planners book a corporate group event through Lip Smacking Foodie Tours, the entire group is assured a top-notch dining experience with three to four signature dishes at each restaurant. Our affordable tours are priced per person with tax and gratuities included. The only thing not included are drinks. However, a beverage package upgrade is available, which provides guests a signature cocktail at various stops. Build Your Network Our exclusive experiences provide the ultimate networking opportunities. At a typical sit-down dinner, you’re lucky to engage the person to the left and right of you. Because our tours take place at multiple restaurants, with walking in between, there are countless opportunities to interact with different people when you sit down at each venue and as you traverse along the way. Our experiences not only provide more ways to network, but a more convivial way to do so. Large Groups Welcome Lip Smacking Foodie Tours is ideal for groups, small or large. Our experiences can accommodate groups from as few as 1 to as many as 500 guests, making us an ideal choice for any corporate group event. Stress-Free Booking Process Booking a tour is stress-free and allows you to enjoy the company of your guests more easily. You’ll take comfort knowing that everything is taken care of from the moment the tour is booked to the minute it concludes. Since the menu is already set, you have nothing to worry about. Just remember to submit ahead of the tour date any dietary restrictions and food allergies for anyone in your group. Feel Like a VIP at Each Stop With Lip Smacking Foodie Tours, you and your group members never have to worry about waiting in line to get into a top restaurant or being shown to a less than desirable table. On our tours, everyone is treated like a VIP with immediate seating upon arrival. What’s more, your group may receive a special warm welcome personally from the restaurant chef. Menus can be printed featuring your logo, too, which can be an added bonus for all those Instagram moments you share. For added ease, we can even arrange transportation pick-up and drop-off, as well as an event photographer. And for groups that desire an extra luxe experience, we can also arrange for an evening helicopter ride over the glittering lights of The Strip. A Memorable Experience for All Lip Smacking Foodie Tours offers a way to gather and dine that few have experienced, and all are sure to remember. Our one-of-a-kind tours are special, from the first stop to the last. It’s an experience that attendees will reminisce about long after they leave. Location, Location, Location One of the best reasons to book is the convenient and efficient way the experience is designed. All restaurants are within an easy walking distance of each other. The short stroll allows your group members a chance to engage in prime networking opportunities before heading to the next place on your tour itinerary. You Get a Dinner and a Show Our tours offer an exquisite feast plus entertainment. All tours include a knowledgeable, professional guide who leads the group on a walking tour, offering engaging tidbits and fascinating stories. Several other interactive experiences are included along the way exclusively to our tours, ensuring there is never a dull moment. Different Types of Cuisine Our experiences offer the ability to enjoy several renowned restaurants in one convenient outing, including ones you and your guests might not have discovered otherwise on your own or at a typical corporate dinner. We offer a way to try some of the finest spots in the city and dive into various cuisines and dishes. All the pre-selected dishes are curated to our high standards to ensure they will delight any palate. Tours Available from Day to Night With any corporate group experience, booking flexibility is key. Whether you desire a tour during business hours or early evening right after work, we can coordinate with you to provide options that fit your needs. Go for as Long or as Short as You Like Along with flexible scheduling, Lip Smacking Foodie Tours also provides a range of tour durations. Our shortest tour is about 2.5 hours; our longest is about 5 hours, with optional add-ons and incentives.
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Extranomical Tours
Extranomical Tours
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Extranomical Tours specializes in creating memorable public tours as well as corporate events and team experiences in the San Francisco Bay Area. Using 20 years of expertise delivering award-winning, one-of-a-kind tours that inspire creativity and connection, we work for our guests to customize an experience exploring nature, food, and wine while adding personalized touches like hotel pickups, professional photography, team-building activities, and pop-up gourmet lunches, so that every event feels like a journey with friends. In today’s dynamic remote work environment, we help HR managers, team leaders, and travel agents design customized activities that boost morale, foster cooperation, and reinforce company values. For visitors unfamiliar with the San Francisco Bay Area and in need of expert guidance on local attractions, seamless transportation solutions, and effective event execution, we leverage local knowledge to ensure that team-building events are not only memorable but also stress-free and aligned with their goals.
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Pacific Catch
Pacific Catch
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Pacific Catch is a rapidly growing West Coast Fish House dedicated to delivering high-quality, sustainable seafood with a unique Pacific-inspired flair. If you're not a fan of fish, we have a variety of delicious options available from our robust menu to ensure everyone finds something they'll love. We pride ourselves on our "Aloha Spirit" – a commitment to warm hospitality, community engagement, and protecting our oceans through thoughtful sourcing. Our menu explores diverse flavors from across the Pacific Rim, served in a vibrant and welcoming atmosphere. Each of our locations offers unique spaces, from private rooms with AV capabilities to semi-private rooms and patios with walk-up bars. These areas are perfect for cocktail receptions, happy hours, and group dining. If you can't make it to the restaurant, we can bring the party to you. Our buffet options, platters, and individually packaged "Guest Favorites" can also be brought to your office, hotel or meeting space.
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We are a full service DJ/MC, Karaoke, AV Rental, Photo Booth and Lighting company based in the San Francisco Bay Area. We specialize in corporate events and weddings and have been serving the Bay Area since 1995. Some of our clients include: TikTok, Cisco, Apple, Intel, Amazon, Southwest Airlines, Sony, Meta, Paypal and more.
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Cirque Du Soleil
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Fogo de Chao - San Francisco
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JSH Music Productions, Inc.
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full-service live music entertainment company; 11 different live bands in many styles and sizes; performing since 2007
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Affiliated Organizations (1)

Additional Information

Safety Information

Cancellation Policy

72 Hours

Additional details

16,648 square feet of distinct, modern indoor and outdoor space.

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JW Marriott San Francisco Union Square Frequently Asked Questions

Explore frequently asked questions from the JW Marriott San Francisco Union Square regarding Health and Safety, Sustainability, and Diversity and Inclusion

Sustainable Practices

Please provide comments or a link to any publicly communicated JW Marriott San Francisco Union Square's sustainability or social impact goals/strategy.
Please visit Marriott.com/Serve360 for Marriott International's sustainability & social impact strategy and 2025 goals information.
Does JW Marriott San Francisco Union Square have a strategy that focuses on the elimination and diversion of waste (i.e. plastics, papers, cardboard, etc.)? If yes, please elaborate on your strategy of elimination and diversion of waste.
Yes, Paper,Newspaper,Cardboard,Mixed,Aluminum,Other Metals,Plastic,Glass,Cooking Oil,Universal Waste Recycling (batteries, light bulbs, paint),Food Packaging

Diversity and Inclusion

For US hotels only, is JW Marriott San Francisco Union Square and/or parent company certified as a 51% diverse owned business enterprise (BE)? If yes, please indicate which one of the following you are certified as:
No response.
If applicable, could you please provide a link to JW Marriott San Francisco Union Square's public report on their commitments and initiatives related to diversity, equity, and inclusion?
https://www.marriott.com/diversity/diversity-and-inclusion.mi

Health and Safety

Were practices at JW Marriott San Francisco Union Square developed based on health service recommendations from public governmental entities or private organizations? If Yes, please list which organizations were used to develop these practices.
Yes, Marriott cares greatly about every guest's experience and takes hygiene and sanitation very seriously. Marriott has established strict standards of cleanliness for all of its hotels that either meet or exceed public health department regulations. 
Does JW Marriott San Francisco Union Square clean and sanitize public areas and publicly accessible facilities (i.e. meeting rooms, restaurants, elevator banks, etc.)? If yes, describe any new measures that are taken.
Yes, Marriott cares greatly about every guest's experience and takes hygiene and sanitation very seriously. Marriott has established strict standards of cleanliness for all of its hotels that either meet or exceed public health department regulations. 
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