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8.5 / 10 Guest Rating

JW Marriott San Francisco Union Square

515 Mason Street, San Francisco, us

JW Marriott San Francisco Union Square - main view

About the Property

Luxurious Accommodations
Indulge in the chic and modern furnishings of our air-conditioned rooms at JW Marriott San Francisco Union Square. Enjoy premium film channels on a large LDC TV, relax in a marble bathroom with plush guest robes, and savor a freshly brewed coffee from your in-room machine.

Dining and Entertainment
Satisfy your cravings at Level III Restaurant with a delightful array of local and international cuisines. Unwind at Level III Bar with handcrafted cocktails, snacks, and a diverse selection of Northern California wines.

Convenient Location and Amenities
Explore nearby attractions like Fisherman’s Wharf, Oracle Park, Chinatown, and Ghirardelli Square, all just minutes away. Stay active at our modern fitness center or seek assistance from our attentive 24-hour front desk staff.

Book your stay at JW Marriott San Francisco Union Square for an unforgettable experience in the heart of the city.

Facilities & Amenities

Fitness facilities
WiFi available
Parking
Non-smoking rooms
Air conditioning
Fitness center
24-hour front desk
Restaurant
Room service
Heating

Important Information

Check-in & Out

Check-in
Check-out12:00 PM

Property Notes

Please note: There is an extra parking charge for over-sized vehicles. Please contact the hotel for further details. Please note: There is an electric car charging station available on the property. Please Note: The breakfast package is only for two adults (max value $30 per person or $60 for 2 adults).Guests are required to show a photo ID and credit card upon check-in. Please note that all Special Requests are subject to availability and additional charges may apply. In the event of an early departure, the property will charge you the full amount for your stay. A deposit may be required at the property.

Check Room Availability

1 night · 2 adults

Available Rooms

King Room - Photo 1
King Room - Photo 2
King Room - Photo 3
King Room - Photo 4
King Room - Photo 5
King Room - Photo 6
King Room - Photo 7
1/7

King Room

This room features a large LDC TV with premium film channels, a work desk with an ergonomic chair and a coffee machine. It includes an in-room safe, a marble bathroom and guest robes.

33 sqm
Sleeps 3
1 Extra-large double bed (Super-king size) (181-210 cm wide)
Amenities
Coffee/tea makerMinibarShowerSafety deposit boxTVTelephone

King Room

Non-refundable
Room Only
20% OFF$389.39

$311.51

Includes taxes & fees

King Room

Non-refundable
Breakfast Included
20% OFF$504.36

$403.49

Includes taxes & fees
King Bed with City View - Photo 1
King Bed with City View - Photo 2
King Bed with City View - Photo 3
King Bed with City View - Photo 4
King Bed with City View - Photo 5
King Bed with City View - Photo 6
King Bed with City View - Photo 7
King Bed with City View - Photo 8
King Bed with City View - Photo 9
1/9

King Bed with City View

Showcasing city views, this room features a large LDC TV with premium film channels, a work desk with an ergonomic chair and a coffee machine. It includes an in-room safe, a marble bathroom and guest robes.

33 sqm
Sleeps 3
1 Extra-large double bed (Super-king size) (181-210 cm wide)
Amenities
Coffee/tea makerMinibarShowerSafety deposit boxTVTelephone

King Room City view

Non-refundable
Room Only
20% OFF$414.24

$331.39

Includes taxes & fees

King Room City view

Non-refundable
Breakfast Included
20% OFF$530.48

$424.38

Includes taxes & fees
Studio Suite - Photo 1
Studio Suite - Photo 2
Studio Suite - Photo 3
Studio Suite - Photo 4
Studio Suite - Photo 5
Studio Suite - Photo 6
1/6

Studio Suite

Featuring a San Francisco city view, this suite offers a 55-inch LCD TV, a desk with an ergonomic chair and an in-room safe. It includes a marble bathroom with guest bathrobes.

43 sqm
Sleeps 4
1 Extra-large double bed (Super-king size) (181-210 cm wide)
1 Sofa bed (Variable Size)
Amenities
Coffee/tea makerMinibarShowerSafety deposit boxTVTelephone

Studio Suite with Sofa Bed

Non-refundable
Room Only
20% OFF$507.35

$405.88

Includes taxes & fees

Studio Suite with Sofa Bed

Non-refundable
Breakfast Included
20% OFF$628.55

$502.84

Includes taxes & fees
Queen Room with Two Queen Beds - Photo 1
Queen Room with Two Queen Beds - Photo 2
Queen Room with Two Queen Beds - Photo 3
Queen Room with Two Queen Beds - Photo 4
Queen Room with Two Queen Beds - Photo 5
Queen Room with Two Queen Beds - Photo 6
Queen Room with Two Queen Beds - Photo 7
1/7

Queen Room with Two Queen Beds

This room features a large LDC TV with premium film channels, a work desk with an ergonomic chair and a coffee machine. It includes an in-room safe, a marble bathroom and guest robes.

33 sqm
Sleeps 4
2 Queen bed (151-180 cm wide)
Amenities
Coffee/tea makerMinibarShowerSafety deposit boxTVTelephone

Griffin Two Queen Room

Non-refundable
Room Only
20% OFF$389.39

$311.51

Includes taxes & fees

Griffin Two Queen Room

Non-refundable
Breakfast Included
20% OFF$504.36

$403.49

Includes taxes & fees
Guest Room with Two Queen Beds and City View - Photo 1
Guest Room with Two Queen Beds and City View - Photo 2
Guest Room with Two Queen Beds and City View - Photo 3
Guest Room with Two Queen Beds and City View - Photo 4
Guest Room with Two Queen Beds and City View - Photo 5
Guest Room with Two Queen Beds and City View - Photo 6
Guest Room with Two Queen Beds and City View - Photo 7
Guest Room with Two Queen Beds and City View - Photo 8
Guest Room with Two Queen Beds and City View - Photo 9
1/9

Guest Room with Two Queen Beds and City View

This room features a large LDC TV with premium film channels, a work desk with an ergonomic chair and a coffee machine. It includes an in-room safe, a marble bathroom and guest robes.

33 sqm
Sleeps 4
1 Extra-large double bed (Super-king size) (181-210 cm wide)
Amenities
Coffee/tea makerMinibarShowerSafety deposit boxTVTelephone

Two Queen Room with City View

Non-refundable
Room Only
20% OFF$414.24

$331.39

Includes taxes & fees

Two Queen Room with City View

Non-refundable
Breakfast Included
20% OFF$530.48

$424.38

Includes taxes & fees
Executive King Room - Photo 1
Executive King Room - Photo 2
Executive King Room - Photo 3
Executive King Room - Photo 4
Executive King Room - Photo 5
1/5

Executive King Room

This spacious executive room features a 55-inch LDC TV with premium film channels, a work desk with an ergonomic chair and a coffee machine. It includes an in-room safe, a marble bathroom and guest robes.

43 sqm
Sleeps 3
1 Extra-large double bed (Super-king size) (181-210 cm wide)
Amenities
Coffee/tea makerMinibarShowerSafety deposit boxTVTelephone

Executive King Room

Non-refundable
Room Only
20% OFF$457.67

$366.14

Includes taxes & fees

Executive King Room

Non-refundable
Breakfast Included
20% OFF$576.25

$461

Includes taxes & fees

Guest Reviews

8.5
Excellent330 verified reviews
AI Summary

Guests highly rate the great location and frequently praise the friendly staff.

Categories

Cleanliness8.1
Service9.6
Location9.6
Room Quality8.5
Amenities8.1
Value for Money8.0
Food and Beverage7.1
Overall Experience9.1

Select topics to read reviews

R
Roya
Verified booking
Standard Room
Stayed in Oct 5, 2025

"Exceptional"

10.0

It was a great experience

Helpful?
M
Mariadelaluz
Verified booking
family
Standard Room
Stayed in Oct 4, 2025

"Exceptional"

10.0

Safe lovely

Helpful?
R
RichardusUS
Verified booking
couple
Standard Room
Stayed in Oct 3, 2025

"Exceptional"

9.0
Helpful?
I
IlariaitIT
Verified booking
family_with_children
Standard Room
Stayed in Sep 28, 2025

"Exceptional"

9.0
Helpful?
W
Wan ShinusUS
Verified booking
solo_traveller
Standard Room
Stayed in Sep 16, 2025

"Very Good"

7.0
Helpful?
M
MelissausUS
Verified booking
extended_group
Standard Room
Stayed in Sep 15, 2025

"Exceptional"

9.0
Helpful?
A
angelacaCA
Verified booking
family_with_children
Standard Room
Stayed in Sep 11, 2025

"Good"

6.0
Helpful?
J
Jeffrey
Verified booking
Standard Room
Stayed in Sep 6, 2025

"Wonderful stay"

10.0

This hotel was top-notch. The staff was efficient and friendly. My wife and I were here as part of a family gathering.

Helpful?
M
Matthew
Verified booking
Standard Room
Stayed in Aug 27, 2025

"Exceptional"

10.0

Really impressed by the property. It is a bit dated of course but the staff was great, the place was very well kept, the location was very good.

Helpful?
P
Payal
Verified booking
Standard Room
Stayed in Aug 24, 2025

"Excellent"

8.0

Stay was good.. have been in better JW Marriott properties around the world.

Helpful?