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Hotel Triton Union Square San Francisco

Property class: 4

Choose dates to view prices

Located close to Moscone Convention Center and Lombard Street, Hotel Triton Union Square San Francisco provides free on-the-go breakfast, a coffee shop/cafe and dry cleaning/laundry services. Be sure to enjoy a meal at CAFÉ DE LA PRESSE, the on-site café. Free in-room WiFi, with a speed of 100+ Mbps (good for 1–2 people or up to 6 devices), is available to all guests, along with a fireplace in reception and a 24-hour gym.

Reviews

8.8 out of 10
Excellent

Popular amenities

  • Breakfast included
  • Free Wi-Fi
  • Air-conditioning
  • Gym
The current price is AU$243
includes taxes & fees
7 Sept - 8 Sept

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Room options

Available filters for rooms
Showing 8 of 8 rooms

View all photos for Double Room, 2 Double Beds

A hotel room with two beds, a desk, a TV, and a red carpet.

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

A hotel room with a bed, a desk, a chair, a dresser, and a window with curtains.

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

A hotel room with a bed, a desk, a chair, a small table, and a lamp.

Premium Room, 1 King Bed

7.8 out of 10
Good
(7 reviews)
  • 21 sq m
  • Sleeps 2
  • 1 King Bed
  • Free Wi-Fi

View all photos for Room, 1 Queen Bed

A hotel room with a bed, a desk, a chair, a lamp, and artwork on the wall.

Room, 1 Queen Bed

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

View all photos for Room, 1 King Bed

A hotel room with a bed, a desk, a chair, a TV, and a window with curtains.

Room, 1 King Bed

8.8 out of 10
Excellent
(22 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

A hotel room with a bed, a desk, a chair, a dresser, and a window with curtains.

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

A hotel room with two beds, a desk, a TV, and a red carpet.

Studio Suite, 2 Double Beds, Accessible

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

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About the area

Located in Union Square, a neighbourhood in San Francisco, Hotel Triton Union Square San Francisco is in a shopping district and near a metro station. Lombard Street and Golden Gate Bridge are notable landmarks, and the area's natural beauty can be seen at Golden Gate Park and Alcatraz Island. Looking to enjoy an event or a match? See what's going on at Oracle Park or Chase Center. Visit our San Francisco travel guide
Map
342 Grant Ave, San Francisco, CA, 94108

What's nearby

  • A cityscape with prominent buildings, including a tall skyscraper, and a central plaza with benches and trees.
    Union Square
    3 min walk - 0.3 km
  • A cityscape with tall buildings, a fountain, and a modern building with a circular design.
    Moscone Convention Center
    11 min walk - 1.0 km
  • Dragon's Gate
    1 min walk - 0.1 km
  • 450 Sutter Building
    3 min walk - 0.3 km
  • Westin St Francis Hotel Glass Elevators
    7 min walk - 0.6 km

Getting around

  • San Francisco Station
    2 min drive
  • California St & Grant Ave Stop
    3 min walk
  • San Francisco International Airport (SFO)
    32 min drive

Restaurants

  • Golden Gate Tap Room
    5 min walk
  • McDonald's
    3 min walk
  • 7-Eleven
    5 min walk
  • The Rotunda at Neiman Marcus
    5 min walk
  • OneUp Restaurant & Lounge
    3 min walk

About this property

Hotel Triton Union Square San Francisco

  • Upscale boutique hotel near Moscone Convention Center
  • Located close to Lombard Street and Oracle Park, Hotel Triton Union Square San Francisco provides free on-the-go breakfast, a coffee shop/cafe and dry cleaning/laundry services. Be sure to enjoy a meal at CAFÉ DE LA PRESSE, the on-site café. Stay connected with free in-room WiFi, with a speed of 100+ Mbps (good for 1–2 people or up to 6 devices), and guests can find other amenities, such as a fireplace in reception and a 24-hour gym.
  • You'll also find perks such as:
    • Valet parking (surcharge), express check-out and a front desk safe
    • A porter/bellboy, luggage storage and a banquet hall
    • Smoke-free property, a 24-hour front desk and a vending machine
    • Guest reviews speak highly of the breakfast, helpful staff and location
  • Room features
  • All 140 rooms offer comforts such as premium bedding and air conditioning, in addition to thoughtful touches such as free WiFi and safes. Guest reviews highly rate the cleanliness rooms at the property.
  • Other conveniences in all rooms include:
    • Bathrooms with designer toiletries and hairdryers
    • 32-inch flat-screen TVs with cable channels
    • Coffee/tea makers, daily housekeeping and phones

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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 85 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
Express check-out available

Special check-in instructions

An adult aged 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 stay for free
Service animals are welcome, and are exempt from fees
Welcoming dogs only
Food and water bowls are available

Children and extra beds

Children are welcome
2 children, up to the age of 17 years, can stay for free if using existing beds when occupying the parent or guardian's room
Rollaway/extra beds are not available.
Cots (infant beds) are not available

Payment types

Important information

Fees

You'll be asked to pay the following charges at the property. Fees may include applicable taxes:

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

We have included all charges provided to us by the property.

Optional extras

  • Valet parking fee: USD 85 per night (in/out privileges)
  • Nearby parking fee: USD 48 per day (328 ft away)

The above list may not be comprehensive. Fees and deposits may not include tax and are subject to change.

You need to know

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

We should mention

Parking height restrictions apply

Frequently asked questions

Is Hotel Triton Union Square San Francisco pet-friendly?

Yes, dogs are allowed at this property.

How much does it cost to stay at Hotel Triton Union Square San Francisco?

As of 20 Aug 2026, prices found for a 1-night stay for 2 adults at Hotel Triton Union Square San Francisco on 7 Sept 2026 start from AU$243, including taxes and fees. This price is based on the lowest nightly price found in the last 24 hours for stays in the next 30 days. Prices are subject to change. Choose your dates for more accurate prices.

How much is parking at Hotel Triton Union Square San Francisco?

Valet parking is available for USD 85 per night.

What time is check-in at Hotel Triton Union Square San Francisco?

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

What time is check-out at Hotel Triton Union Square San Francisco?

Checkout is at noon.

Where is Hotel Triton Union Square San Francisco located?

Located in Union Square, this boutique hotel is within 2 mi (3 km) of Moscone Convention Center, Oracle Park and Lombard Street. Pier 39 and Chase Center are also within 3 mi (5 km). California St & Grant Ave Stop and Powell St & Sutter St Stop are within a 5-minute walk.

Can I cancel my reservation for free and receive a full refund?

Yes, this property offers free cancellation on selected room rates because flexibility matters! Please refer to the property cancellation policy on our site for more details about any exclusions or requirements.

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