Events
For over 100 years, we’ve hosted illustrious celebrations for socialites, royalty and business leaders, and have some of the best event space, meeting rooms and downtown San Francisco wedding venues. Our superb location, glamorous venues and impeccable service are well suited to a variety of events, from small executive sessions to extravagant galas. We have over 56,000 square feet of space, including 35 unique event spaces. Our expert on-site event planning staff is on hand to help you throughout your event, while guests delight in a range of gourmet options, creating memorable meetings and events.
36
51646 SQ FT
1500
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Events Earn 100,000 Points
Marriott Bonvoy Convention and Resort Network is offering a limited-time offer that elevates group travel experiences for mid to large-sized groups with rewarding benefits like – 2X Marriott Bonvoy points, carbon neutral meetings, basic conference Wi-Fi, and more.
Need to Know:
Earn 2x Marriott Bonvoy Points and more
Access exclusive offerings from Network hotels
Receive additional multi-hotel booking benefits
Valid Through: January 01, 2026-December 31, 2026.
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Personalized Dining Experiences
Let our culinary team create a memorable experience. The Executive Chef can design special catering packages with you and your guests in mind. We are eager to work with you to prepare the perfect menu.
Meetings & Events
Our meeting space in San Francisco near Union Square exceeds expectations
Offers & Packages
Elizabethan
Enjoy ultimate flexibility with separate rooms. These San Francisco meeting rooms near Union Square can be separated into smaller breakout rooms, accommodating any group’s needs.
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California Ballroom
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Colonial Ballroom
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Georgian Room
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Tower Salon
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This jewel-box chamber once served as the hotel’s chapel for its live-in guests, and makes a productive meeting space for smaller groups, receptions, and dinners.
Enjoy updated light fixtures, carpeting, window treatments. It connects with the Hampton Room and looks out onto Powell Street and Union Square.
Located on the second floor of our Landmark Building, the Essex Room looks out onto Union Square and is a great setting for small meetings. It can accommodate a conference-style or classroom set-up or a small reception.
This room on the 2nd floor is perfect for a classroom or conference-style meeting or a small reception with windows overlooking Geary Street.
Located on the second floor of our Landmark Building, the Kent Room looks out onto Union Square and Powell Street and is a great setting for small meetings. It conveniently connects to the Oxford Room through a set of double doors.
This long, narrow room is perfect for a conference-style meeting or a small reception, and conveniently connects to the Kent Room through a set of double doors.
This sumptuous room has been grandly refurbished in rich blue and gold tones with wood-paneled walls. Ornate chandeliers hang from the ceilings.
Simple and elegant, the Sussex Room, located on the 2nd floor serves as an ideal setting for a small meeting or as an office or storage for larger events with windows overlooking Geary Street.
This room on the 2nd floor is perfect for a classroom or conference-style meeting or a small reception with windows overlooking Geary Street.
Discover the best space for your group’s needs
Interactive e-Diagrams
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Refined Weddings, Exceptional Moments
Celebrate your love story in the heart of San Francisco at The Westin St. Francis, where classic architecture and timeless elegance create an unforgettable backdrop. From romantic ceremonies overlooking the city to stunning receptions in our iconic ballrooms, every detail is designed to elevate your special day. Whether intimate or grand, our expert team brings your vision to life with exceptional service, curated cuisine, and seamless planning.
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| Meeting Room | Dimensions (LxWxH) | Area (sq.ft) | Theater | Schoolroom | Conference | U-Shape | Reception | Banquet |
|---|---|---|---|---|---|---|---|---|
| Grand Ballroom | 94.0x114.0x16.0 | 10700.0 | 1100 | 800 | - | - | 1500 | 980 |
| Italian | 65.0x36.0x24.0 | 2340.0 | - | - | - | - | 250 | - |
| Colonial | 63.0x52.0x24.0 | 3276.0 | 350 | 240 | 54 | 50 | 300 | 300 |
| Georgian | 54.0x40.0x10.0 | 2100.0 | 140 | 110 | 42 | 40 | 200 | 150 |
| Borgia | 21.0x36.0x18.0 | 750.0 | 95 | 60 | 30 | 32 | 100 | 90 |
| Ford Salon | 22.0x19.0x8.0 | 418.0 | - | - | 10 | - | - | - |
| California East | 79.0x35.0x9.0 | 2765.0 | 200 | 125 | 66 | 45 | 200 | 200 |
| California West | 79.0x44.0x9.0 | 3476.0 | 350 | 250 | 66 | 60 | 400 | 320 |
| Elizabethan Room A | 28.0x37.0x8.0 | 1000.0 | 90 | 54 | 30 | 30 | 125 | 100 |
| Elizabethan Room B | 31.0x37.0x8.0 | 1150.0 | 98 | 65 | 30 | 30 | 125 | 100 |
| Elizabethan Room C | 31.0x37.0x8.0 | 1150.0 | 98 | 65 | 30 | 30 | 125 | 100 |
| Elizabethan Room D | 32.0x37.0x8.0 | 1185.0 | 98 | 65 | 30 | 30 | 125 | 100 |
| Board Room | 26.0x15.0x10.0 | 390.0 | - | - | 12 | - | - | - |
| Derby | 12.0x14.0x10.0 | 170.0 | 10 | - | 6 | - | 20 | 10 |
| Essex | 33.0x19.0x10.0 | 627.0 | 45 | 33 | 24 | 27 | 50 | 40 |
| Hampton | 33.0x19.0x10.0 | 627.0 | 45 | 33 | 24 | - | 50 | 40 |
| Kent | 26.0x21.0x10.0 | 545.0 | 35 | 27 | 18 | 21 | 50 | 30 |
| Oxford | 45.0x15.0x10.0 | 675.0 | 60 | 36 | 36 | 36 | 70 | 50 |
| Olympic | 50.0x16.0x11.0 | 800.0 | 90 | 50 | 36 | 32 | 100 | 60 |
| Sussex | 16.0x26.0x9.0 | 416.0 | 36 | 15 | 18 | 15 | 40 | 30 |
| Yorkshire | 37.0x14.0x10.0 | 518.0 | 50 | 33 | 24 | - | 50 | 50 |
| Union Square | 46.2x33.5x8.9 | 1888.0 | 124 | 69 | 36 | - | 160 | 110 |
| South Terrace | 29.6x31.0x10.6 | 826.0 | - | - | 22 | - | 90 | 50 |
| North Terrace | 32.0x38.0x10.6 | 1216.0 | - | - | 28 | - | 100 | 80 |
| London Suite - Chelsea | 15.5x22.1x14.0 | 352.0 | 48 | 24 | 18 | 15 | 35 | 20 |
| London Suite - Greenwich | 14.3x15.7x14.0 | 212.0 | 28 | 9 | 10 | - | 20 | 12 |
| London Suite - Kensington | 20.9x17.3x14.0 | 323.0 | 50 | 24 | 18 | - | 35 | 20 |
| London Suite - Westminster | 20.5x13.1x14.0 | 250.0 | 35 | 12 | 16 | - | 20 | 12 |
| St. Francis Suite - East | 20.0x50.0x12.0 | 1000.0 | 100 | 80 | 48 | - | 100 | 100 |
| St. Francis Suite - Club | 18.0x23.0x14.0 | 414.0 | 30 | 30 | 16 | - | 50 | 30 |
| St. Francis Suite - Library | 18.0x23.0x14.0 | 414.0 | 30 | 30 | 16 | - | 50 | 30 |
| St. Francis Suite - Study | 18.0x23.0x14.0 | 414.0 | 30 | 30 | 16 | - | 50 | 30 |
| Golden Gate | -x-x15.0 | 2820.0 | 275 | 150 | 42 | - | 350 | 270 |
| Mission Bay | -x-x19.0 | 2415.0 | 200 | 108 | 42 | - | 200 | 140 |
| Tower Salon A | 60.0x54.0x11.0 | 3240.0 | 300 | 200 | 50 | 40 | 300 | 290 |
| Tower Salon B | 28.0x28.0x11.0 | 784.0 | 50 | 27 | 22 | 20 | 60 | 50 |
| California East & West | 79.0x79.0x9.0 | 6200.0 | 500 | 330 | - | - | 600 | 500 |
| Meeting Room | Dimensions (LxWxH) | Area (sq.mt) | Theater | Schoolroom | Conference | U-Shape | Reception | Banquet |
|---|---|---|---|---|---|---|---|---|
| Grand Ballroom | 28.6x34.7x4.9 | 994.1 | 1100 | 800 | - | - | 1500 | 980 |
| Italian | 19.8x11x7.3 | 217.4 | - | - | - | - | 250 | - |
| Colonial | 19.2x15.8x7.3 | 304.3 | 350 | 240 | 54 | 50 | 300 | 300 |
| Georgian | 16.5x12.2x3 | 195.1 | 140 | 110 | 42 | 40 | 200 | 150 |
| Borgia | 6.4x11x5.5 | 69.7 | 95 | 60 | 30 | 32 | 100 | 90 |
| Ford Salon | 6.7x5.8x2.4 | 38.8 | - | - | 10 | - | - | - |
| California East | 24.1x10.7x2.7 | 256.9 | 200 | 125 | 66 | 45 | 200 | 200 |
| California West | 24.1x13.4x2.7 | 322.9 | 350 | 250 | 66 | 60 | 400 | 320 |
| Elizabethan Room A | 8.5x11.3x2.4 | 92.9 | 90 | 54 | 30 | 30 | 125 | 100 |
| Elizabethan Room B | 9.4x11.3x2.4 | 106.8 | 98 | 65 | 30 | 30 | 125 | 100 |
| Elizabethan Room C | 9.4x11.3x2.4 | 106.8 | 98 | 65 | 30 | 30 | 125 | 100 |
| Elizabethan Room D | 9.8x11.3x2.4 | 110.1 | 98 | 65 | 30 | 30 | 125 | 100 |
| Board Room | 7.9x4.6x3 | 36.2 | - | - | 12 | - | - | - |
| Derby | 3.7x4.3x3 | 15.8 | 10 | - | 6 | - | 20 | 10 |
| Essex | 10.1x5.8x3 | 58.2 | 45 | 33 | 24 | 27 | 50 | 40 |
| Hampton | 10.1x5.8x3 | 58.2 | 45 | 33 | 24 | - | 50 | 40 |
| Kent | 7.9x6.4x3 | 50.6 | 35 | 27 | 18 | 21 | 50 | 30 |
| Oxford | 13.7x4.6x3 | 62.7 | 60 | 36 | 36 | 36 | 70 | 50 |
| Olympic | 15.2x4.9x3.4 | 74.3 | 90 | 50 | 36 | 32 | 100 | 60 |
| Sussex | 4.9x7.9x2.7 | 38.6 | 36 | 15 | 18 | 15 | 40 | 30 |
| Yorkshire | 11.3x4.3x3 | 48.1 | 50 | 33 | 24 | - | 50 | 50 |
| Union Square | 14.1x10.2x2.7 | 175.4 | 124 | 69 | 36 | - | 160 | 110 |
| South Terrace | 9x9.4x3.2 | 76.7 | - | - | 22 | - | 90 | 50 |
| North Terrace | 9.8x11.6x3.2 | 113 | - | - | 28 | - | 100 | 80 |
| London Suite - Chelsea | 4.7x6.7x4.3 | 32.7 | 48 | 24 | 18 | 15 | 35 | 20 |
| London Suite - Greenwich | 4.4x4.8x4.3 | 19.7 | 28 | 9 | 10 | - | 20 | 12 |
| London Suite - Kensington | 6.4x5.3x4.3 | 30 | 50 | 24 | 18 | - | 35 | 20 |
| London Suite - Westminster | 6.2x4x4.3 | 23.2 | 35 | 12 | 16 | - | 20 | 12 |
| St. Francis Suite - East | 6.1x15.2x3.7 | 92.9 | 100 | 80 | 48 | - | 100 | 100 |
| St. Francis Suite - Club | 5.5x7x4.3 | 38.5 | 30 | 30 | 16 | - | 50 | 30 |
| St. Francis Suite - Library | 5.5x7x4.3 | 38.5 | 30 | 30 | 16 | - | 50 | 30 |
| St. Francis Suite - Study | 5.5x7x4.3 | 38.5 | 30 | 30 | 16 | - | 50 | 30 |
| Golden Gate | -x-x4.6 | 262 | 275 | 150 | 42 | - | 350 | 270 |
| Mission Bay | -x-x5.8 | 224.4 | 200 | 108 | 42 | - | 200 | 140 |
| Tower Salon A | 18.3x16.5x3.4 | 301 | 300 | 200 | 50 | 40 | 300 | 290 |
| Tower Salon B | 8.5x8.5x3.4 | 72.8 | 50 | 27 | 22 | 20 | 60 | 50 |
| California East & West | 24.1x24.1x2.7 | 576 | 500 | 330 | - | - | 600 | 500 |
Audio-Visual Equipment
- Film Projector with Screen
- LCD Projector
- PA System
- TV
- Teleconferencing
- Video Camera
- Videoconferencing
- Walkie Talkies
- Wired Internet
- Wireless Internet
Event Services
- Translator
Event Equipment & Supplies
- Flip Chart & Markers
- Installed Stage
- Lobby Bulletin Board
- Name Cards
- Pens / Pencils / Notepad
- Podium Lectern
- Portable Stage
- Spotlights
- Stack Chairs
- Tables
Business Services
- Computers
- Copy Service
- Fax Service
- On-Site Business Center is Staffed
- Overnight Delivery/Pickup
- Post/Parcel
- Printers
Frequently Asked Questions
The Westin St. Francis San Francisco on Union Square has 36 event rooms.
The largest capacity event room is the Grand Ballroom. It has a capacity of 1500.
Yes, The Westin St. Francis San Francisco on Union Square provides wedding services.
To book a meeting or event at The Westin St. Francis San Francisco on Union Square click here