Hotels in Petrothalassa

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Tonight
May 18 - May 19
Tomorrow
May 19 - May 20
Next weekend
May 23 - May 25
In two weeks
May 30 - Jun 1

Where to stay in Petrothalassa?

Galaxy Hotel
Exterior

Galaxy Hotel

3.0 star property
6.4 out of 10, (16)
$98 nightly
The price is $117
May 22 - May 23
Total includes taxes and fees
Galaxy Hotel
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.

Top landmarks in Petrothalassa

Ermionida Marina

Explore the waterfront in Porto Heli with a trip to Ermionida Marina. Wander the waterfront and beaches in the area.

See properties in Ermionida Marina
Ermionida Marina

Learn more about Petrothalassa

The region around Petrothalassa is home to attractions such as Ermionida Marina and Port of Spetses.

See all hotels in Petrothalassa
A tranquil hotel pool encircled by beautiful arches, enhancing the ambiance for leisure and relaxation.

Summer Getaway Sale

Save 25% or more on select hotels, and earn 50% more rewards on all properties. Book by May 26 and travel by Sep 30, 2025. See terms*
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Frequently asked questions

What accommodations do travelers like in Petrothalassa?
Guests like Galaxy Hotel, Nikki Beach Resort & Spa Porto Heli and Poseidonion Grand Hotel.
Where can I find free parking with my stay in Petrothalassa?
Park your car for free at Galaxy Hotel.
Can I book refundable accommodations in Petrothalassa?
If you need the flexibility to change your plans to Petrothalassa, most properties provide refundable* rates you can book. You can see these accommodations by searching our site and using the “fully refundable” filter to narrow the results down.
Where can I stay if I'm visiting Petrothalassa for a family-friendly trip?
Parents traveling with children may want to consider Galaxy Hotel.
What will the weather in Petrothalassa be like during my trip?
July and August are typically the warmest months in Petrothalassa when the average temp is 79°F. January and February are the coldest months when the average temperature is 53°F. December and February are the months with the most rain.
Why should I book my Petrothalassa hotel with Hotels.com?
There are lots of reasons to book your Petrothalassa trip with us: our free cancellations on selected hotels* gives you flexibility, and with One Key™, our rewards program, you will be able to earn and use OneKeyCash™** on all eligible bookings such as hotels, car rentals, flights, vacation rentals and more on Hotels.com, Expedia and Vrbo.

Terms and conditions

*Book by 5/26/2025 11:59 pm in hotel property local time. Stay between 4/17/2025-9/30/2025. Member Prices are available to Hotels.com® app users and One Key members. Limited availability, blackout periods may apply.

OneKeyCash is not redeemable for cash and can only be used on Hotels.com®, Expedia®, and Vrbo®.

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