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Hotel Triton Union Square San Francisco

4.0 star property
VIP Access

Choose dates to view prices

Photo gallery for Hotel Triton Union Square San Francisco

Lobby
Creator video - submitted by anuroop-sahu
A bar area with a long counter, multiple shelves of liquor bottles, and several chairs.
A modern interior with a central seating area, a large chandelier, and a wall with framed artwork.
A hotel exterior with outdoor seating, a visible restaurant sign, and a clear view of the street.

Reviews

8.8 out of 10
Excellent

Popular amenities

  • Breakfast included
  • Free Wi-Fi
  • Air-conditioning
  • Gym

Explore the area

View in a map
342 Grant Ave, San Francisco, CA, 94108
  • Place, Union Square
    ‪3 min walk‬
  • Place, Westin St Francis Hotel Glass Elevators
    ‪7 min walk‬
  • Place, Moscone Convention Center
    ‪11 min walk‬
  • Airport, San Francisco, CA (SFO-San Francisco Intl.)
    ‪22 min drive‬
VIP Access
Curated for quality and service, VIP Access stays consistently receive our highest guest ratings.
  • Expect exceptional service
  • Extra savings and perks for BONUS+ members
Learn more about VIP AccessOpens in a new window

Room options

View all photos for Double Room, 2 Double Beds

Premium bedding, in-room safe, iron/ironing board, free WiFi

Double Room, 2 Double Beds

8.6 out of 10
Excellent
(15 reviews)
  • 20 sq m
  • 1 bedroom
  • Sleeps 4
  • 2 Double Beds
  • Free Wi-Fi

View all photos for Room, 1 Double Bed

Premium bedding, in-room safe, iron/ironing board, free WiFi

Room, 1 Double Bed

8.4 out of 10
Very good
(6 reviews)
  • 17 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 Double Bed
  • Free Wi-Fi

View all photos for Premium Room, 1 King Bed

Premium bedding, in-room safe, iron/ironing board, free WiFi

Premium Room, 1 King Bed

8.0 out of 10
Very good
(6 reviews)
  • 21 sq m
  • Sleeps 2
  • 1 King Bed
  • Free Wi-Fi

View all photos for Room, 1 Queen Bed

Room, 1 Queen Bed

Room, 1 Queen Bed

8.8 out of 10
Excellent
(17 reviews)
  • 19 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 Queen Bed
  • Free Wi-Fi

View all photos for Room, 1 King Bed

Premium bedding, in-room safe, iron/ironing board, free WiFi

Room, 1 King Bed

8.8 out of 10
Excellent
(21 reviews)
  • 20 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed
  • Free Wi-Fi

View all photos for Executive Studio Suite, 1 King Bed (Grant Avenue)

A neatly made bed with patterned bedding, a blue lamp on a bedside table, and a small vase with flowers.

Executive Studio Suite, 1 King Bed (Grant Avenue)

  • 33 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed
  • Free Wi-Fi

View all photos for Room, 1 Double Bed, Accessible

Premium bedding, in-room safe, iron/ironing board, free WiFi

Room, 1 Double Bed, Accessible

9.6 out of 10
Exceptional
(7 reviews)
  • 17 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 Double Bed
  • Free Wi-Fi

View all photos for Studio Suite, 2 Double Beds, Accessible

Premium bedding, in-room safe, iron/ironing board, free WiFi

Studio Suite, 2 Double Beds, Accessible

  • 1 bedroom
  • Sleeps 4
  • 2 Double Beds
  • Free Wi-Fi

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About this property

Hotel Triton Union Square San Francisco

Along with a restaurant, this smoke-free hotel has a 24-hour fitness center and a snack bar/deli. On-the-go breakfast is free. Other amenities include a coffee shop/cafe, valet parking, and a business center.
Hotel Triton Union Square San Francisco offers 140 accommodations with safes and coffee/tea makers. Beds feature premium bedding. 32-inch flat-screen televisions come with cable channels and pay movies.

Rooms have partially open bathrooms. Bathrooms include bathrobes, designer toiletries, complimentary toiletries, and hair dryers. This San Francisco hotel provides complimentary wireless Internet access, with a speed of 100+ Mbps (good for 1–2 people or up to 6 devices). Housekeeping is offered daily and hypo-allergenic bedding can be requested.

Recreational amenities at the hotel include a 24-hour fitness center.
Our customers tell us they can't get enough of the free breakfast at Hotel Triton Union Square San Francisco. During your stay, you're just a quick walk from Union Square. Enjoy features like a restaurant, a 24-hour gym, and a coffee shop/cafe. This property offers pet-friendly amenities like food and water bowls.
  • Free on-the-go breakfast served daily
  • Free WiFi (speed: 100+ Mbps (good for 1–2 people or up to 6 devices))
  • Dining options include a coffee shop and a restaurant
  • Valet parking available for a fee
  • Services include dry cleaning/laundry, a concierge, and tour or ticket assistance
  • Onsite recreation includes a 24-hour gym
  • Guests have great things to say about the clean accommodations and the breakfast
  • 11 minutes by foot from Moscone Convention Center and a 2-minute drive from Oracle Park
  • Dogs welcome for free
  • Pet-friendly amenities are available, including food and water bowls
Along with a restaurant and a coffee shop/cafe, there's a snack bar/deli on site. Free breakfast is available daily. There's an onsite business center. Event space at this hotel measures 500 square feet (46 square meters) and includes conference space. A 24-hour fitness center, a vending machine, and multilingual staff are also featured at the boutique Hotel Triton Union Square San Francisco. Parking is available for a fee.

This 4-star San Francisco hotel is smoke free.

Guests are served free on-the-go breakfast daily from 7:00 AM to 9:00 AM.
CAFÉ DE LA PRESSE - Onsite café. Guests can enjoy drinks at the bar.
SCOTT'S CHOWDER HOUSE - Onsite bistro. Open select days.
Room service (during limited hours) is available.

Property amenities

Internet

  • Available in all rooms: Free WiFi
  • In-room WiFi speed: 100+ Mbps (good for 1–2 people or up to 6 devices)

Parking and transport

  • Height restrictions apply for on-site parking
  • Offsite parking available (USD 48 per day)
  • Secured, covered valet parking on site (USD 80 per night; includes in/out privileges)
  • Limited on-site valet parking
  • Wheelchair-accessible parking available

Food and drink

  • Free on-the-go breakfast available daily 7:00 AM to 9:00 AM
  • A coffee shop/cafe
  • A restaurant
  • Snack bar/deli

Restaurants on site

  • CAFÉ DE LA PRESSE
  • SCOTT'S CHOWDER HOUSE

Things to do

  • 24-hour gym

Family friendly

  • Snack bar/deli

Conveniences

  • 24-hour front desk
  • ATM
  • Luggage storage
  • Safe at front desk
  • Vending machine

Guest services

  • Concierge services
  • Dry cleaning/laundry service
  • Housekeeping (daily)
  • Multilingual staff
  • Porter/bellhop
  • Tour and ticket assistance

Business services

  • 500 square feet of conference space
  • Business centre

Accessibility

  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • Assistive listening devices
  • Assistive listening devices in meeting rooms
  • Braille/raised signage
  • Handrails in stairways
  • Lift
  • Stair-free path to entrance
  • Wheelchair accessible (may have limitations)
  • Wheelchair-accessible business centre
  • Wheelchair-accessible lounge
  • Wheelchair-accessible parking
  • Wheelchair-accessible path of travel
  • Wheelchair-accessible path to lift
  • Wheelchair-accessible public bathroom
  • Wheelchair-accessible registration desk
  • Wheelchair-accessible restaurant

More

  • 1 building
  • 7 floors
  • Banquet hall
  • Built in 1912
  • Fireplace in lobby
  • Smoking not allowed

Room amenities

Bedroom

  • Hypo-allergenic bedding
  • Premium bedding

Bathroom

  • Designer toiletries
  • Dressing gowns
  • Hair dryer
  • Private bathroom
  • Shampoo
  • Soap
  • Toilet paper
  • Towels provided

Entertainment

  • 32-inch flat-screen TV with cable channels
  • Pay films

Food and drink

  • Coffee/tea maker
  • Limited room service

More

  • Air conditioning (climate-controlled)
  • Iron/ironing board
  • Phone
  • Safe

Policies

Check-in

Check-in start time: 3 PM; Check-in end time: midnight

Check-out

Check-out before noon
Contactless check-out available
Express check-out available

Special check-in instructions

An adult age 18 or older must assume all liability for the booking
Front desk staff will greet guests on arrival at the property
Information provided by the property may be translated using automated translation tools

Access methods

Staffed front desk

Pets

  • Pets are welcome and stay free
  • Only dogs are allowed
  • Food and water bowls are available

Children and extra beds

  • Children are welcome.
  • Kids stay free! Up to 2 children 17 years old and younger stay free when using existing bedding.
  • Rollaway/extra beds are not available.
  • Cribs (infant beds) are not available.

Payment types at the property

Important information

Fees

Guests will be asked to pay the following charges at the property:

  • Deposit: USD 50.00 per night
  • Resort fee: USD 43.55 per accommodation, per night
The resort fee includes:
  • Additional inclusions
  • Fitness center access
  • In-room bottled water

We've listed all charges provided to us by the property.

Optional extras

The fees and deposits listed below will be charged at the time of service, check-in, or check-out.

  • Covered valet parking fee: USD 80 per night (in/out privileges)
  • Nearby parking fee: USD 48 per day (328 ft away)

This may not be a comprehensive list. Fees and deposits are subject to change and might not include tax.

You need to know

This property is managed by a professional host. The provision of housing is linked to their trade, business, or profession.
Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card 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
The name on the credit card used at check-in to pay for incidentals must be the primary name on the guestroom reservation
This property accepts credit cards; cash is not accepted
Front desk staff will greet guests on arrival at the property. An adult age 18 or older must assume all liability for the booking.
If you cancel your booking, you'll be subject to the host's cancellation policy. In accordance with EU regulations about consumer rights, property booking services are not subject to the right of withdrawal.

We should mention

  • Up to 2 children 17 years old and younger stay free in the same room as the parent or guardian when using existing bedding.

Property is also known as

Hotel Triton
Hotel Triton San Francisco
Triton Hotel
Triton San Francisco
Hotel Triton a Kimpton Hotel
Hotel Triton Hotel
Hotel Triton San Francisco
Hotel Triton Hotel San Francisco

Hotel Triton Union Square San Francisco Reviews

Reviews

8.8

Excellent

Rating 10 - Excellent. 610 out of 1018 reviews
Rating 8 - Good. 243 out of 1018 reviews
Rating 6 - Okay. 85 out of 1018 reviews
Rating 4 - Poor. 46 out of 1018 reviews
Rating 2 - Terrible. 34 out of 1018 reviews

9.2/10

Cleanliness

9.2/10

Staff & service

8.2/10

Amenities

8.6/10

Property conditions & facilities

Reviews

Verified

10/10 Excellent

Chaka

Great stay
Stayed 3 nights in Mar 2026
Verified

10/10 Excellent

Raquel

Liked: Cleanliness, staff & service, property conditions & facilities
Wonderful spot to stay
Stayed 1 night in Mar 2026
Verified

10/10 Excellent

Ana

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Really nice hotel
Stayed 2 nights in Mar 2026
Verified

10/10 Excellent

Lauren

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Honestly one of the cutest places I've stayed when looking for something reasonably priced but still safe and clean!
Stayed 2 nights in Mar 2026
Verified

10/10 Excellent

Vangelina

Liked: Cleanliness, staff & service, amenities
Hotel was clean and staff was friendly
Stayed 2 nights in Mar 2026
Verified

10/10 Excellent

Douglas

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Very good hotel.
Stayed 2 nights in Mar 2026
Verified

10/10 Excellent

Salvador

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Friendly staff, clean rooms
Stayed 2 nights in Mar 2026
Verified

10/10 Excellent

Alla

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The location of this hotel is very convenient, making it easy to get around. Breakfast is simple—just coffee and a croissant—but everything else about the stay was excellent. The staff were friendly, and I would definitely recommend this hotel!
Stayed 2 nights in Apr 2026
Verified

10/10 Excellent

David

Great location, super clean and comfortable
Stayed 2 nights in Feb 2026
Verified

10/10 Excellent

Tobias

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Located in a great area and with very friendly and service minded staff makes this one of my favourite hotels in San Francisco.
Stayed 1 night in Mar 2026
Verified

10/10 Excellent

Jeremy

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
We had a great stay!
Stayed 1 night in Nov 2025
Verified

10/10 Excellent

Samantha

Liked: Cleanliness, staff & service, amenities
Spotless, comfortable bed, friendly staff
Stayed 1 night in Feb 2026
Verified

10/10 Excellent

Burton

Liked: Cleanliness, amenities, property conditions & facilities
Great hotel and great staff
Stayed 2 nights in Jan 2026
Verified

10/10 Excellent

mario

Liked: Cleanliness, amenities, property conditions & facilities
Great location love the history behind it.
Stayed 2 nights in Feb 2026
Verified

10/10 Excellent

Nicole

Liked: Cleanliness, staff & service, amenities
Hotel Triton is a place to say and has the best amenities and is walking distance to many attractions!
Stayed 1 night in Feb 2026
Verified

10/10 Excellent

Sarah

Liked: Cleanliness, amenities, property conditions & facilities
Really nice room, comfortable, great service. And loved the location too!
Stayed 1 night in Jan 2026
Verified

8/10 Good

Elizabeth

Liked: Cleanliness, amenities, property conditions & facilities
Great location, very clean room, cute decor.
Stayed 1 night in Jan 2026
Verified

10/10 Excellent

Young

Liked: Cleanliness, amenities, property conditions & facilities
Great location and really appreciated the checkout time being 12!
Stayed 3 nights in Feb 2026
Verified

8/10 Good

Julia

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Great place, location and staff
Stayed 5 nights in Nov 2025
Verified

8/10 Good

Tara

Liked: Cleanliness, staff & service, amenities
Great location! Hotel is clean and comfortable.
Stayed 1 night in Oct 2025
Verified

6/10 Okay

Alberto

Liked: Cleanliness, staff & service, property conditions & facilities
I recommend it for any business traveler.
Stayed 2 nights in Mar 2026
Verified

8/10 Good

Tisa

Liked: Cleanliness, amenities, property conditions & facilities
Had a few issues checking in, but the stay was nice after that.
Stayed 2 nights in Mar 2026
Verified

10/10 Excellent

Serhii

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Great hotel and amazing staff! We got a complimentary upgrade and water on arrival. The team was very friendly, helped us find food late at night, and even printed important documents in the morning. Highly recommend — will definitely come back!
Stayed 1 night in Apr 2026
Verified

10/10 Excellent

Lining

Liked: Cleanliness, staff & service, amenities
Clean room , staff , amenities , grab and go breakfast, happy hour drinks , modern and classy vibes
Stayed 2 nights in Jan 2026
Verified

10/10 Excellent

John

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Very quaint and enjoyable place to stay.
Stayed 3 nights in Sep 2025

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