JW Marriott San Francisco Union Square

Overview
515 Mason St., San Francisco, CA 94102 United States
near Exit 2c b on I-80 (~1.1mi)
Call to book 1-800-219-2797 by Res.ai
Group Sales: 1-800-906-2871
AI Insight

The cool features of JW Marriott San Francisco Union Square include a 24-hour fitness center, a terrace with a view, and a Level III Restaurant serving Californian cuisine.

Trusted

We are a part of Reservations Group, a trusted independent travel company since 2003. More Info

Highlights
Vegetarian breakfast available
Free WiFi
Bicycle parking available
Fitness facilities
Select your room
5.0
15-Jul-2026
"Great Hotel & Amazing Staff"

Good location, very clean. Staff is amazing from the door to front desk to housekeeping, all were friendly and professional.

(Individual traveler, booked 1 room)
Verified Review, stayed from Mon Jul 13 to Thu Jul 16 2026 at a $336.99 average nightly rate.
4.0
06-Sep-2025
"Marvelous Service"

The best service.

(Individual traveler, booked 1 room)
Verified Review, stayed from Sat Sep 06 to Sun Sep 07 2025 at a $194.00 average nightly rate.
View all reviews

Check-In 4:00 PM - midnight

Check-Out 11:00 AM

Check-In Instructions:

  • Extra-person charges may apply and vary depending on property policy
  • Government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges
  • Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
  • This property accepts credit cards; cash is not accepted
  • Cashless transactions are available
  • Noise-free guestrooms cannot be guaranteed
  • Safety features at this property include a carbon monoxide detector, a fire extinguisher, a smoke detector, a security system, a first aid kit, and window guards
  • 24-hour fitness facilities
  • 24-hour front desk
  • ATM/banking
  • Assistive listening devices available
  • Ballroom
  • Banquet hall
  • Beach nearby
  • Bicycle parking available
  • Biodegradable/compostable stirrers
  • Braille or raised signage
  • By ocean
  • Change of bed sheets (on request)
  • Check In: 4:00 PM - midnight
  • Check Out: 11:00 AM
  • Comprehensive food waste policy
  • Conference space
  • Conference space size (feet) - 4352
  • Conference space size (meters) - 404
  • Dry cleaning/laundry service
  • Electric car charging station
  • Elevator
  • Elevator door width (centimeters) - 91
  • Elevator door width (inches) - 36
  • Express check-in
  • Express check-out
  • Fireplace in lobby
  • Fitness facilities
  • Free WiFi
  • Free newspapers in lobby
  • Garden
  • Gift shops or newsstand
  • Golfing nearby
  • Green Key Global
  • Grocery/convenience store
  • Hair salon
  • Health or beauty spa nearby
  • Horse riding nearby
  • Housekeeping on request
  • LGBTQIA+ friendly
  • Locally-owned & organized tours & activities
  • Locally-sourced food on site (80% or more)
  • Meeting rooms
  • Multilingual staff
  • No accessible shuttle
  • No cribs (infant beds) available
  • No single-use plastic stirrers
  • Noise-free rooms not guaranteed
  • Number of bars/lounges - 1
  • Number of meeting rooms - 15
  • Number of restaurants - 1
  • Organic food
  • Parking height restrictions apply
  • Pet max weight (per pet) in kg is 11
  • Pet max weight (per pet) in lb is 25
  • Pets allowed
  • Professional property host/manager
  • Property does not offer onsite COVID-19 testing
  • Property does not require health documentation at check-in
  • Recycling
  • Safe-deposit box at front desk
  • Sailing nearby
  • Secured bicycle storage
  • Service animals are allowed
  • Service animals are exempt from fees/restrictions
  • Showcase for local artists
  • Smoke-free property
  • Snack bar/deli
  • Surfing/bodyboarding nearby
  • Terrace
  • Tours/ticket assistance
  • Valet for wheelchair-equipped vehicle
  • Valet parking (surcharge)
  • Vegetarian breakfast available
  • Vegetarian menu options available
  • Visual alarms in hallways
  • Water dispenser
  • Water dispenser use by guests actively encouraged
  • Water-efficient showers only
  • Water-efficient toilets only
  • Wedding services
  • Wheelchair accessible (may have limitations)
  • Wheelchair accessible path of travel
  • Wheelchair-accessible fitness center
  • Wheelchair-accessible lounge
  • Wheelchair-accessible on-site restaurant
  • Wheelchair-accessible path to elevator
  • Wheelchair-accessible registration desk

Contactless check-in is available

Contactless check-out is available

Cashless transactions are available

3,900 hotels spanning 72 countries

The Marriott Rewards is a free program where members can earn points before, during, and after their stay and redeem points for hotel stays, shopping, and travel

Free Wi-Fi for reward members

Mobile check-in services

The Marriott Hotels and Resorts highlights above are subject to change without notice.

Day 1

Breakfast Tartine Bakery & Cafe (600 Guerrero St, San Francisco, CA 94110, USA) - Start your day with delicious pastries and coffee at this popular bakery. It is located approximately 2.5 miles from JW Marriott San Francisco Union Square.
Lunch Hog Island Oyster Co. (1 Ferry Building #11, San Francisco, CA 94111, USA) - Indulge in fresh oysters and seafood while enjoying waterfront views. It is located approximately 1.5 miles from JW Marriott San Francisco Union Square.
Dinner The House of Prime Rib (1906 Van Ness Ave, San Francisco, CA 94109, USA) - Enjoy a classic prime rib dinner in a cozy and elegant setting. It is located approximately 1.5 miles from JW Marriott San Francisco Union Square.
Activity Golden Gate Park (501 Stanyan St, San Francisco, CA 94117, USA) - Explore the beautiful gardens, museums, and attractions in this iconic park. It is located approximately 3 miles from JW Marriott San Francisco Union Square.

Day 2

Breakfast Mama's on Washington Square (1701 Stockton St, San Francisco, CA 94133, USA) - Enjoy a hearty breakfast at this popular Italian-American restaurant. It is located approximately 1 mile from JW Marriott San Francisco Union Square.
Lunch The Slanted Door (1 Ferry Building #3, San Francisco, CA 94111, USA) - Savor modern Vietnamese cuisine with stunning views of the Bay Bridge. It is located approximately 1.5 miles from JW Marriott San Francisco Union Square.
Dinner Gary Danko (800 N Point St, San Francisco, CA 94109, USA) - Experience fine dining with a seasonal menu and impeccable service. It is located approximately 1.5 miles from JW Marriott San Francisco Union Square.
Activity Alcatraz Island (Pier 33, San Francisco, CA 94133, USA) - Take a ferry to visit the infamous former federal prison and learn about its intriguing history. It is located approximately 2 miles from JW Marriott San Francisco Union Square.

Day 3

Breakfast Dottie's True Blue Cafe (28 6th St, San Francisco, CA 94103, USA) - Start your day with delicious comfort food and homemade pastries at this popular diner. It is located approximately 0.8 miles from JW Marriott San Francisco Union Square.
Lunch The House (1230 Grant Ave, San Francisco, CA 94133, USA) - Indulge in Asian fusion cuisine in a stylish and vibrant atmosphere. It is located approximately 1 mile from JW Marriott San Francisco Union Square.
Dinner Boulevard (1 Mission St, San Francisco, CA 94105, USA) - Enjoy a sophisticated dinner with a menu inspired by classic French cuisine. It is located approximately 1.5 miles from JW Marriott San Francisco Union Square.
Activity Fisherman's Wharf (Beach St & The Embarcadero, San Francisco, CA 94133, USA) - Explore the bustling waterfront area with its shops, restaurants, and iconic attractions. It is located approximately 1.5 miles from JW Marriott San Francisco Union Square.

FAQs about JW Marriott San Francisco Union Square

What time is check in?

Check in time is 4:00 PM - midnight based on the hotel's local time. Early check in may be available if requested at the front desk on the day of check-in.

What time is check out?

Check out time is 11:00 AM based on the hotel's local time. Late check out may be available if requested at the front desk during your stay.

Is there a gym at JW Marriott San Francisco Union Square?

Yes, there is a gym/fitness area available on-site at the property.

Is JW Marriott San Francisco Union Square pet friendly?

Yes, pets are allowed. Pet max weight (per pet) in lb is 25

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