Modern resort courtyard with central rectangular pool, surrounding lounge chairs, and apartment buildings
Woman relaxing on a green and white striped pool float in a resort pool
Modern resort courtyard with rectangular swimming pool, lounge chairs, and residential buildings
Large rectangular pool with loungers on red deck in front of modern multi-story hotel building
Children playing by pool with animated characters jumping and child in hat sitting poolside
Courtyard pool surrounded by multi-story hotel buildings with colorful trim and palms
Overhead view of small turquoise swimming pool surrounded by white concrete deck near residential building
Aerial courtyard view of modern hotel with central pool, multiple room balconies, city skyline
Modern Here's Kitchen restaurant counter with bakery and food displays
High-rise hotel bar with floor-to-ceiling windows overlooking city skyline
Four colorful cocktails on table with city skyline view from high-rise rooftop bar
Contemporary bar lounge with purple lighting and expansive city skyline views
Spacious fitness center with rows of treadmills and exercise equipment
Modern fitness center with rows of cardio equipment and exercise machines
Pink and purple art deco hotel tower with curved architecture and illuminated windows at dusk
Modern hotel interior mezzanine level with contemporary furniture and glass railings
Urban cityscape at dusk with illuminated office buildings, dome structure, and mountain backdrop

17 photos, view gallery

Hilton San Francisco Union Square

4.5 (160)

San Francisco, California

4 star propertyFamily-Friendly

Spend a relaxing day in the heart of the city at Hilton San Francisco Union Square, featuring an heated outdoor pool and hot tub. After a day at the pool, enjoy incredible panoramic views and craft cocktails from the city's highest sky bar and lounge, perched on the 46th floor - eye level with the San Francisco Skyline. Looking for something to eat before your dip? Head to Poached for a delicious breakfast buffet and fresh coffee. Throughout your day at the pool you can visit Herb N’ Kitchen, the grab-n-go market, for everything from gourmet salads and sandwiches, custom coffees, cold beverages, plus local sweets and treats. Your San Francisco daycation awaits.

Experiences

Hotel Pass

Soak in the heated outdoor pool and hot tub, then catch panoramic skyline views from the 46th-floor sky bar.

Hotel Pass

From

$22

Includes fees

Day Room

Extend your pool day with a private room to shower, recharge, or work between dips.

Day Room

From

$122

4 guests · Includes fees

Property details

Location

333 O'Farrell St, San Francisco, CA 94102

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Amenities

Outdoor Pool

Hot Tub

Towels

Pool

Food Service

Drink Service

Pool

10:00am - 6:00pm

Cityscape Bar

4:30pm - 12:00am

Herb N’ Kitchen

24 Hours

Poached

Monday - Friday 6:30am - 10:30am

Saturday - Sunday 7:00am - 11:00am

Good to know

What happens when I get there?

Check in at the front desk with your confirmation and a photo ID — the same way any hotel guest would. The hotel knows you’re coming.

What’s included in the price listed?

Your booking covers everything listed on the experience page — no hidden fees. Some properties offer food, drinks, or extras you can add on once you're there, but nothing is required unless noted.

Can I cancel if my plans change?

Yes, most bookings can be canceled for a full refund. Cancellation windows and refund eligibility details are found on the experience page. Read our full cancellation policy.

Reviews