San Francisco Marriott Union Square: address, phone and airport distance

San Francisco Marriott Union Square, a Marriott hotel (Marriott International) in San Francisco, United States.

San Francisco Marriott Union Square is a Marriott hotel (Marriott International) at 480 Sutter Street, San Francisco, CA, 94108, United States. The nearest airport with scheduled flights is Oakland San Francisco Bay Airport (OAK), 18.2 km away in a straight line.

From Marriott International's own hotel listing, collected 27 Oct, 2026.

San Francisco Marriott Union Square: quick facts

Brand: Marriott (Marriott International)
Address: 480 Sutter Street, San Francisco, CA, 94108
City: San Francisco, California, United States
Phone: +1 415-398-8900
Rooms: 350
Official hotel page: marriott.com
Map: 37.78938, -122.40838

Check live rates for San Francisco Marriott Union Square

Nearest airports

Airport	Straight-line distance
Oakland San Francisco Bay Airport (OAK)	18.2 km
San Francisco International Airport (SFO)	19.1 km
San Carlos Airport (SQL)	33.7 km

Calculated from map positions; the road route is longer.

Other Marriott International hotels in San Francisco

Courtyard by Marriott San Francisco Downtown/Van Ness Ave.
Courtyard by Marriott San Francisco Fisherman's Wharf
Courtyard by Marriott San Francisco Union Square
Marriott Vacation Club, San Francisco
San Francisco Marriott Fisherman's Wharf
San Francisco Marriott Marquis
The Ritz-Carlton, San Francisco
The St. Regis San Francisco

Hotels from other chains nearby

Grand Hyatt San Francisco (Hyatt), 115 m away
Hotel Stratford San Francisco - Handwritten Collection (Accor), 263 m away
InterContinental Mark Hopkins San Francisco (IHG Hotels & Resorts), 304 m away
Holiday Inn Express San Francisco Union Square (IHG Hotels & Resorts), 338 m away
The Clift Royal Sonesta San Francisco (Sonesta), 368 m away
Fairmont San Francisco (Accor), 402 m away
Galleria Park Hotel (Hyatt), 435 m away
Vignette Collection Hotel Spero (IHG Hotels & Resorts), 460 m away

Frequently asked questions

Where is San Francisco Marriott Union Square?

San Francisco Marriott Union Square is at 480 Sutter Street, San Francisco, CA, 94108, United States.

Which airport is closest to San Francisco Marriott Union Square?

Oakland San Francisco Bay Airport (OAK) is the closest airport with scheduled flights, 18.2 km away in a straight line. The drive is longer.

Which hotel group runs San Francisco Marriott Union Square?

San Francisco Marriott Union Square is a Marriott hotel, a brand of Marriott International.

What is the phone number of San Francisco Marriott Union Square?

Marriott International lists +1 415-398-8900 for San Francisco Marriott Union Square.

How many rooms does San Francisco Marriott Union Square have?

Marriott International lists 350 rooms at San Francisco Marriott Union Square.

All 48 chain hotels in San Francisco

Sources: Marriott International's own hotel listing, collected 27 Oct, 2026 via All The Places (CC0); city data from GeoNames; airport positions from OurAirports. FlightGPT does not add details a hotel chain doesn't publish. Rates and availability are checked live when you search.