Tell us about your event, then we'll contact you and plan it together
Every detail sets the stage in our conference space in downtown San Francisco
From extravagant weddings to intimate affairs, our Union Square hotel venues exceed expectations
Spectacular spaces in the heart of San Francisco’s Union Square.
Manage event details, make real-time requests and connect with our staff - from the palm of your hand.
Please note: all room sizes are approximate.
San Francisco Marriott Union Square has 10 event rooms.
The largest capacity event room is the Union Square Ballroom. It has a capacity of 400.
Yes, San Francisco Marriott Union Square provides wedding services.
To book a meeting or event at San Francisco Marriott Union Square click here
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