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JW Marriott San Francisco Union Square

515 Mason Street, San Francisco, CA

Check In
06/18/2026
Check Out
06/19/2026
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Room, 2 Queen Beds

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Room, 2 Queen Beds

Room, 2 Queen Beds, Accessible

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Room, 2 Queen Beds, Accessible

Room, 2 Queen Beds, City View

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Room, 2 Queen Beds, City View

Room, 2 Queen Beds, City View, Accessible

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Room, 2 Queen Beds, City View, Accessible
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Executive, King Bed
Room Facilities
Air Conditioning Individually Controlled In Room
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Desk/Workspace
Shampoo
Television
Toilet Paper
Wheel Chair Accessible

Room, King Bed

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Room, King Bed

Studio, Suite, King Bed, Sofa, Accessible

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Studio, Suite, King Bed, Sofa, Accessible
Room Facilities
Air Conditioning Individually Controlled In Room
Cleaning Products
Desk/Workspace
Shampoo
Television
Toilet Paper
Wheel Chair Accessible
Room Details
Room, King Bed, City View
Room Facilities
Air Conditioning Individually Controlled In Room
Alarm Clock
Cleaning Products
Desk/Workspace
Shampoo
Television
Toilet Paper
Wheel Chair Accessible

Studio, Suite, King Bed, Sofa

Room Details
Studio, Suite, King Bed, Sofa

JW Marriott San Francisco Union Square Amenities

Dry cleaning/laundry service
Gift shops or newsstand
Vegetarian breakfast available
Eco-friendly cleaning products used
Number of meeting rooms - 15
Conference space size (meters) - 404
Sailing nearby
Free WiFi
Bicycle parking available
Number of bars/lounges - 1
Comprehensive food waste policy
Eco-friendly cleaning products provided
LED light bulbs
Wheelchair-accessible lounge
Wheelchair-accessible on-site restaurant
Multilingual staff
Water dispenser
Electric car charging station
Elevator
Fitness facilities
Locally-sourced food on site (80% or more)
Organic food
Wheelchair accessible (may have limitations)
Banquet hall
Health or beauty spa nearby
Wheelchair-accessible path to elevator
Meeting rooms
Wheelchair-accessible fitness center
Garden
Wedding services
24-hour fitness facilities
Elevator door width (inches) - 36
Water-efficient toilets only
Water dispenser use by guests actively encouraged
Elevator door width (centimeters) - 91
Water-efficient showers only
24-hour front desk
Number of restaurants - 1
Golfing nearby
Smoke-free property
Safe-deposit box at front desk
Snack bar/deli
Surfing/bodyboarding nearby
Conference space
Valet parking (surcharge)
Hair salon
Wheelchair accessible path of travel
ATM/banking
Conference space size (feet) - 4352

JW Marriott San Francisco Union Square Hotel Details

Discover a stay that blends modern convenience with a strong commitment to sustainability at this smoke-free San Francisco hotel. Your experience is enhanced by a variety of on-site services, including a 24-hour front desk, wedding services, and a gift shop. For your convenience, the property offers laundry and dry cleaning, valet parking for a surcharge, and a safe-deposit box at the front desk. The hotel features a well-equipped, 24-hour fitness center, a tranquil garden, and a hair salon. Business travelers can take advantage of the extensive conference facilities, which include 15 dedicated meeting rooms and over 4,300 square feet of versatile event space. The hotel's eco-conscious initiatives are evident throughout, from the use of LED light bulbs and water-efficient fixtures to a comprehensive food waste policy and the availability of an electric car charging station.

Dining at the on-site restaurant is a unique experience, with a focus on organic ingredients and a menu where 80% or more of the food is locally sourced. You can also enjoy a vegetarian breakfast or grab a bite at the snack bar and deli. The property is designed with accessibility in mind, featuring wheelchair-accessible paths to the lounge, restaurant, fitness center, and elevator. Important property policies include a check-in time of 4:00 p.m. and a check-out time of 11:00 a.m. For your safety and peace of mind, the hotel is equipped with a carbon monoxide detector, a security system, and a first aid kit. Please note that this is a cashless property that accepts credit cards, and a government-issued photo ID may be required upon arrival.

Guest Reviews

Guests consistently praise the hotel for its exceptional location, often describing it as perfect for exploring the city and just steps from the shopping and dining of Union Square. Reviewers frequently highlight the professionalism and friendliness of the staff, from the front desk team to the attentive concierge. Travelers note that the rooms are very clean, well-appointed, and feature comfortable bedding, ensuring a restful stay. Many visitors also appreciate the modern and welcoming atmosphere of the lobby and other common areas. The high level of service is a common theme in feedback, with many guests feeling well-cared for throughout their visit.

Places to Visit Near JW Marriott San Francisco Union Square (CA)

Your stay in San Francisco places you at the center of the action, with iconic attractions just a short distance away. Union Square, a hub for high-end shopping, art galleries, and theaters, is just steps from your door. For a classic city experience, take a short walk to ride the historic San Francisco Cable Cars, offering scenic views and a memorable journey through the city's famous hills. Nearby, you can explore the vibrant culture of Chinatown, entering through the famous Dragon's Gate to discover unique shops and authentic restaurants. Visitors to this historic neighborhood often praise its lively atmosphere and rich cultural heritage.

Frequently Asked Questions

What is the address for JW Marriott San Francisco Union Square in San Francisco, CA?

You can find JW Marriott San Francisco Union Square at 515 Mason Street, San Francisco, CA.

What times are check-in and check-out at JW Marriott San Francisco Union Square?

Check-in is at 4:00 p.m., and check-out is at 11:00 a.m.

Is Wi-Fi included at JW Marriott San Francisco Union Square?

Yes, the hotel provides complimentary Wi-Fi for guests.

Can I store luggage before check-in or after check-out?

Please contact the hotel directly for information about luggage storage.

Is breakfast available at JW Marriott San Francisco Union Square?

Yes, the hotel offers breakfast options, including a vegetarian breakfast.

Does JW Marriott San Francisco Union Square offer in-room dining or room service?

Please contact the hotel directly for information regarding in-room dining options.

Does JW Marriott San Francisco Union Square have a pool?

Please contact the hotel directly for information about pool facilities.

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

Yes, there is one on-site restaurant at the hotel.

Is there an ATM or currency exchange at JW Marriott San Francisco Union Square?

Yes, ATM and banking services are available at the property.

Is there a gym, spa, or sauna at JW Marriott San Francisco Union Square?

The hotel has a 24-hour fitness center for you to use. While there is not a spa on-site, a health or beauty spa is located nearby.

Does JW Marriott San Francisco Union Square offer airport transfer or shuttle?

Please contact the hotel directly to inquire about airport transportation services.

Is JW Marriott San Francisco Union Square a pet-friendly hotel?

Please contact the hotel directly for information about their pet policy.
JW Marriott San Francisco Union Square
515 Mason Street, San Francisco, CA
Choose your dates to book today's available rooms and dates
Check In
06/18/2026
Check Out
06/19/2026
Rooms
1
Adults
2
Children
0
Rooms must be less than number of adults
Children's ages must be provided
Check In Date
Check Out Date
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