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Union Square Hotel Deals

Save on Stays in the Heart of San Francisco

Hotel Mark Twain offers a selection of San Francisco hotel deals. Book direct and take advantage of pet-friendly packages, advance purchase savings, staycation deals, and more.


Traveling should be about the adventure, not the hassle. Keep your planning simple with our straightforward offer: 15% off any other rates just for booking right here on our website. No fine print or exceptions, just easy savings.

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You’re making plans early and locking them in. Such preparedness deserves to be rewarded. When you book your room at Hotel Mark Twain 30 days prior to arrival you can enjoy one of our Deluxe Rooms for 15% off your stay of 2 or more nights. Use the savings to buy an extra museum ticket, dine at an acclaimed restaurant, or treat yourself to some extra shopping. We’ll be here to provide recommendations.

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Hotel Mark Twain is centrally located in the Union Square district, which makes it perfect for your next trip to the city. Guests receive 15% off room rates by mentioning this offer at check-in and showing current California state identification. This special is valid for Thursday through Sunday arrivals with a two-night minimum. Discount applied to direct bookings only and not valid on any third-party sites or agents. Cannot be combined with any other offer.

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Call our Direct Line to book your stay with your furry friend. There is a $50 per stay fee per room for up to two dogs with a combined weight of 50 pounds or less. Preview the Paws Waiver for restrictions and requirements. Subject to availability.



Feeling the winter chill? Book now and get koozie with 21st Amendment beer. Head downstairs to our lobby bar with your "secret word" to receive:

2 cans of 21st Amendment beer, born and brewed in San Francisco

2 Hotel Mark Twain Koozies

Robin's guide to the best beer spots in San Francisco

1 drink per registered person per night. Max 2 guests per room. Bar is closed on Sunday, no drinks or credits will be honored on Sunday nights. Must be 21 years or older.



Parking Fees are hefty in the city, but if you book our Parking Package they don’t have to be anymore. Let us take care of your parking per night and you save $18 per day.

Oversize cars may incur extra charges, valet only available, no need to reserve a spot.

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Membership has it’s privileges. We offer exclusive savings to AAA members on every stay.

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Call Us 415-673-2332