A cityscape with tall buildings, a central plaza with palm trees, and a flag on one of the buildings.

Explore beach hotels in Union Square, CA from $21

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Top Union Square Beach Resorts & Hotels

Grand Hyatt San Francisco

345 Stockton St San Francisco CA

Fully refundableReserve now, pay when you stay

$181 nightly

$213 total

Aug 21 - Aug 22

Total with taxes and fees

This hotel features a restaurant, a 24-hour gym, and a bar/lounge. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public ...

9/10 Wonderful! (1,012 reviews)

"Great !"

Reviewed on Aug 3, 2026

Handlery Union Square Hotel

351 Geary St San Francisco CA

Fully refundableReserve now, pay when you stay

$172 nightly

$202 total

Aug 16 - Aug 17

Total with taxes and fees

This hotel features an outdoor pool and a gym. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public areas, and valet parking. ...

8.8/10 Excellent! (3,383 reviews)

"Great location, clean room, friendly staff. Had a great stay!"

Reviewed on Aug 4, 2026

Hotel 32One

321 Grant Avenue San Francisco CA

Fully refundableReserve now, pay when you stay

$112 nightly

$132 total

Sep 3 - Sep 4

Total with taxes and fees

Free WiFi in public areas, luggage storage, and a safe deposit box are available at this hotel. Staff at the 24-hour front desk can provide around-the-clock ...

8.8/10 Excellent! (907 reviews)

"Small room"

Reviewed on Aug 3, 2026

San Francisco Marriott Marquis

780 Mission Street San Francisco CA

Fully refundableReserve now, pay when you stay

$207 nightly

$244 total

Aug 14 - Aug 15

Total with taxes and fees

This smoke-free hotel features 2 restaurants, a bar/lounge, and a 24-hour gym. Traveling on business? Take advantage of the business center, express check-out, ...

8.8/10 Excellent! (1,247 reviews)

"Nice room. Easy parking access up front"

Reviewed on Aug 3, 2026

Beacon Grand, A Union Square Hotel

450 Powell Street San Francisco CA

Fully refundableReserve now, pay when you stay

$209 nightly

$246 total

Sep 3 - Sep 4

Total with taxes and fees

A bar/lounge and a 24-hour front desk are featured at this hotel, along with valet parking. If you want to take your pet along, this pet-friendly property offers ...

Hotel Emblem San Francisco

562 Sutter St San Francisco CA

Fully refundableReserve now, pay when you stay

$170 nightly

$200 total

Aug 11 - Aug 12

Total with taxes and fees

A bar/lounge and a 24-hour front desk are featured at this hotel, along with valet parking. If you want to take your pet along, this pet-friendly property offers ...

Hotel Triton Union Square San Francisco

342 Grant Ave San Francisco CA

Fully refundableReserve now, pay when you stay

$152 nightly

$179 total

Aug 23 - Aug 24

Total with taxes and fees

A restaurant and a 24-hour gym are featured at this hotel. Enjoy the free on-the-go breakfast each morning. Valet parking, a business center, and a coffee shop ...

The Donatello

501 Post St San Francisco CA

This hotel features a restaurant, a gym, and a bar/lounge. Enjoy the sauna and perks like free WiFi. Valet parking, a terrace, and express check-out are also ...

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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.