Castro Hotel Syros

Hotel, 5-star12 Kalomenopoulou, Ermoupoli, GreeceShow on map

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Exceptional

One of our highest-scored stays, according to its guests.

Check-in from 3:00 PMCheck-out by 11:00 AM.
Exceptional locationGuests rate the location 10.0 out of 10, at 12 Kalomenopoulou.
Breakfast availableIncluded on some rates — the board is shown on each room.

Luxurious 5-Star Accommodation

Exquisite Amenities: Castro Hotel Syros boasts a shared lounge, terrace, restaurant, and bar, providing the perfect setting for relaxation and enjoyment. Guests can also indulge in the hot tub and make use of the convenient tour desk.

Elegant Rooms: The air-conditioned rooms are elegantly furnished with modern amenities including a desk, kettle, safety deposit box, and flat-screen TV. The private bathrooms are equipped with a refreshing shower, ensuring a comfortable stay for all guests.

Prime Location: Situated near popular attractions such as Asteria Beach and Saint Nicholas Church, Castro Hotel Syros offers a convenient base for exploring the beauty of Ermoupoli. Don't miss the chance to experience luxury and comfort at Castro Hotel Syros.

What this place offers

WiFi available
Free WiFi
Non-smoking rooms
Air conditioning
Restaurant
Room service
Heating
Terrace
Lift / Elevator
Laundry

Rooms

9.8

Exceptional

Rated 9.8 out of 10 by 250 guests who stayed here.

Cleanliness10.0
Service10.0
Location10.0
Rooms10.0
Amenities9.5
Value9.5
Food & drink9.5

Guests mention

Fantastic staffGreat locationClean and modern roomsExcellent service

AthaUnited Kingdom
September 2026Family
Gem in Syros
We had a wonderful stay at Hotel Castro in Syros. The staff were absolutely amazing, incredibly friendly, welcoming and genuinely kind, especially with our little one, which made our stay even more enjoyable.

The…
RAMONSpain
September 2026Couple
Un excelente hotel
Todo. El hotel es precioso. El personal muy amable. El desayuno muy bueno
No hay ninguna pega
Kleanthis GeorgiouCY
August 2026Solo traveller
Design of the hotel and breakfast
DigdemTurkey
August 2026Couple
Bir sonraki gidişimde tekrar konaklamayı isterim
Konum
Problem yok
KosmasGreece
August 2026Couple
Θα ξαναπηγαίναμε με την οικογένεια μου σίγουρα
Η τοποθεσία, η αρχιτεκτονική, το προσωπικό πολύ φιλικό και εξυπηρετικό.
Δεν είναι ότι δεν μας άρεσε απλά τα γράφουμε ως προτάσεις για βελτίωση. Το πρωινό θα μπορούσε να είναι πιο πλούσιο για 5αστερο ξενοδοχείο.…
FigenTurkey
August 2026Couple
Syros’da tatil için seçilebilecek en iyi otellerden ilk sıralarda
Konumu mükemmel
Kahvaltı çok iyi
Çalışanlar çok güleryüzlü, kibar ve ulaşım dahil her konuda yardımcı ve çözümleyici
Çok temiz
Özellikle yatak çok rahat
Beğenmediğim bir şey olmadı🧿
Castro otel e çok teşekkür ederim…

Reviews are written by guests who booked through our supplier and stayed, shown as written and in their own language. Category scores are the supplier’s reading of recent reviews, updated January 2026.

Where you’ll be

12 Kalomenopoulou, Ermoupoli, Greece

Guests rate the location 10.0 out of 10 — exceptional.

Things to know

Cancellation

Each room shows its own terms before you pay.

Most rates can be cancelled free until a date shown on the room.

Non-refundable rates are marked as such.

House rules

Check-in from 3:00 PM until 12:00 AM

Check-out by 11:00 AM

Children welcome

No pets

Non-smoking rooms available

Payment & property

Paid when you book, not at the desk.

Rates include the taxes and fees we can read.

The property may take a card at check-in for incidentals.

For bookings of 3 rooms and more, different policies may be apply. A deposit may be required at the property.

What we’d check for you here

Whether breakfast is in the rate or added at checkout, and what time it runs.
Whether the rate moves for your dates, and what it includes.
What the property actually charges at the desk on top of the rate.

Questions about Castro Hotel Syros

What time is check-in and check-out at Castro Hotel Syros?

Check-in is from 3:00 PM. Check-out is by 11:00 AM. If you're arriving late, tell us and we'll ask the property to hold the room.

Does Castro Hotel Syros allow pets?

No — the property states that pets are not allowed.

Is breakfast included at Castro Hotel Syros?

Breakfast is offered at the property. Whether it's included depends on the rate — the board type is shown on each room once you put your dates in.

Does Castro Hotel Syros have Wi-Fi?

Yes — internet access is listed among the property's facilities.

How do I book Castro Hotel Syros?

Put your dates in above and book online, or call (888) 789-8585 and we'll do it for you — including things a booking form can't handle, like a block of rooms, a monthly rate or an invoice for your employer.

Where is Castro Hotel Syros?

12 Kalomenopoulou, Ermoupoli.

Places to stay Ermoupoli