Are there any 5-star all-inclusive resorts in Union Square?

Our filter tool is the easiest way to narrow down what you want. Select "All inclusive" and "5-star" to see the most luxurious properties in Union Square where your accommodation, meals, activities and entertainment are included in the price. At these getaways, your trip is pure leisure from the moment you check in.

What are the top 5-star spa hotels in Union Square?

If you're in need of some serious TLC, choose Fairmont Heritage Place, Ghirardelli Square . Other 5-star spa options that are renowned for their rejuvenating treatments are 1 Hotel San Francisco and Fairmont San Francisco , also found in or around Union Square.

Are there any 5-star holiday rentals in Union Square?

Although there aren't any 5-star holiday rentals in Union Square on our site, we have a range of escapes that promise a fantastic getaway. Find one that suits your needs by searching our holiday rentals in Union Square .

The 10 Best 5 Star Hotels in Union Square - 2026 Updated Prices

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Our top choices for Union Square 5-star hotels

A rooftop terrace with a city skyline, a fountain, and outdoor seating.

1. Fairmont San Francisco

Downtown San Francisco

virginia

includes taxes & fees

4 Oct - 5 Oct

A terrace with a view, featuring a table and chairs, a potted plant, and a decorative lantern.

2. Claremont Resort & Club

Claremont Hills

Jacqueline

includes taxes & fees

27 Sept - 28 Sept

A bar area with a marble countertop, leather bar stools, and shelves stocked with bottles and glasses.

3. Taj Campton Place

Union Square

Vince

includes taxes & fees

3 Oct - 4 Oct

A grand hall with a high arched ceiling and chandeliers, featuring multiple dining tables and chairs arranged for service.

4. Palace Hotel, a Luxury Collection Hotel, San Francisco

Downtown San Francisco

Sean

includes taxes & fees

23 Oct - 24 Oct

A grand building with classical architecture, featuring columns, detailed carvings, and a large entrance.

5. The Ritz-Carlton, San Francisco

Downtown San Francisco

Simona

includes taxes & fees

23 Oct - 24 Oct

A restaurant with wooden flooring, black chairs, white tables, hanging plants, and pendant lights.

6. 1 Hotel San Francisco

Downtown San Francisco

Gloria

includes taxes & fees

24 Oct - 25 Oct

A rooftop terrace with tables and potted plants, overlooking a cityscape with a prominent tower and a bridge.

7. Four Seasons Hotel San Francisco at Embarcadero

Downtown San Francisco

Ariane

includes taxes & fees

23 Oct - 24 Oct

A rooftop terrace with outdoor seating, a view of the city skyline, and modern buildings in the background.

8. Four Seasons Hotel San Francisco

Downtown San Francisco

Nirav

includes taxes & fees

11 Oct - 12 Oct

A balcony with a view of a tall building, a tree, and a table with chairs.

9. The Huntington Hotel

Downtown San Francisco

Steven

includes taxes & fees

3 Oct - 4 Oct

A modern hotel with a glass facade, a covered entrance, and a sign indicating it is a Marriott hotel.

10. The St. Regis San Francisco

Downtown San Francisco

Christopher

includes taxes & fees

2 Oct - 3 Oct

A grand entrance with a large archway, a staircase, and two wall-mounted light fixtures.

11. Hotel Drisco

Pacific Heights

Geoffrey

includes taxes & fees

19 Oct - 20 Oct

A covered outdoor dining area with a wooden deck, a table set for two, and a view of the sea and mountains in the background.

12. Fairmont Heritage Place, Ghirardelli Square

Fisherman's Wharf

Janelle

includes taxes & fees

13 Oct - 14 Oct

A historic building with ornate architectural details, large windows, and a well-lit entrance.

13. Sutter Mansion

Western Addition

Stewart

includes taxes & fees

4 Oct - 5 Oct

A modern living room with a black door, a sofa with patterned cushions, a coffee table, and a view of a street with buildings and parked cars.

14. Dimond Abode Vacation Rental

Dimond

Camille

A modern kitchen with stainless steel appliances, a flat-screen TV, and a bar area with bar stools.

15. Dimond Abode Vacation Rental 3428

Dimond

Phyllis

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Explore similar 4-star hotels

Many 4-star hotels have the same amenities as 5-star hotels. See all 4-star hotels in Union Square.

Hotel Riu Plaza Fisherman's Wharf

2500 Mason St San Francisco CA

£145

18 Oct - 19 Oct

includes taxes & fees

9/10 Wonderful! (7,661 reviews)

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Pool Spa Hot tub Breakfast included Waterpark

Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

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Fashion puts on its finest face in one of the country’s largest shopping plazas.

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Frequently asked questions

What are the best 5-star hotels in Union Square?

According to reviews by our customers, Taj Campton Place is one of the top-rated properties for a luxurious escape in the San Francisco neighbourhood of Union Square. Want more 5-star hotels around the area? The Ritz-Carlton, San Francisco and Fairmont San Francisco will cater to your high-end needs.

How much does it cost to stay in a 5-star hotel in Union Square?

The amount you pay for a 5-star hotel in Union Square can vary according to what time of year you travel and how long you plan to stay, among other factors. Take advantage of our price per night filter and other search tools to find the best rate on a plush stay.

Search for the lowest price per night from £130

What makes a hotel 5 stars in Union Square?

Impeccable guest service is integral to every 5-star hotel in Union Square. From the minute you step through the door, staff cater to your every need, whether recommending activities and tours or providing in-room massages. What's more, hotels have to feature superior amenities to be entitled to a 5-star rating. These can include luxury bath products, a wellness centre, swimming pools, fine dining kitchens and knowledgeable concierge.

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