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Old Castle Oia - Adults Only

Adults-only guesthouse in Santorini with a seasonal outdoor pool

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Seasonal outdoor pool, pool umbrellas, sun loungers
Suite, Jetted Tub, Sea View | 1 bedroom, in-room safe, desk, soundproofing
Beach/ocean view
Superior Suite, Jetted Tub, Sea View | Living area | 20-inch flat-screen TV with cable channels, TV
Suite, Jetted Tub, Sea View | Terrace/patio

Reviews

9.0 out of 10
Wonderful

Popular amenities

  • Free WiFi
  • Air conditioning
  • Housekeeping

Explore the area

View in a map
Oia, Santorini, 84700
  • Place, Oia Castle
    ‪1 min walk‬
  • Place, Santorini Caldera
    ‪1 min walk‬
  • Place, Amoudi Bay
    ‪3 min walk‬
  • Airport, Thira (JTR-Santorini National)
    ‪23 min drive‬

Room options

View all photos for Suite, Jetted Tub, Sea View

Suite, Jetted Tub, Sea View | Terrace/patio

Suite, Jetted Tub, Sea View

9.4 out of 10
Exceptional
(3 reviews)
  • 355 sq ft
  • 1 bedroom
  • Sea view
  • Sleeps 2
  • 1 Double Bed

View all photos for Suite, Private Pool, Sea View

Suite, Private Pool, Sea View | View from room

Suite, Private Pool, Sea View

8.0 out of 10
Very good
(3 reviews)
  • 377 sq ft
  • 1 bedroom
  • Sea view
  • Sleeps 2
  • 1 Double Bed

View all photos for Superior Suite, Jetted Tub, Sea View

Superior Suite, Jetted Tub, Sea View | 1 bedroom, in-room safe, desk, soundproofing

Superior Suite, Jetted Tub, Sea View

10.0 out of 10
Exceptional
(5 reviews)
  • 377 sq ft
  • 1 bedroom
  • Sea view
  • Sleeps 2
  • 1 Double Bed

View all photos for Junior Suite, Jetted Tub, Sea View

Junior Suite, Jetted Tub, Sea View | View from room

Junior Suite, Jetted Tub, Sea View

8.0 out of 10
Very good
(1 review)
  • 323 sq ft
  • 1 bedroom
  • Sea view
  • Sleeps 2
  • 1 Double Bed

View all photos for Junior Suite, Sea View

Junior Suite, Sea View | Living room | 20-inch flat-screen TV with cable channels, TV

Junior Suite, Sea View

10.0 out of 10
Exceptional
(2 reviews)
  • 323 sq ft
  • 1 bedroom
  • Sea view
  • Sleeps 2
  • 1 Queen Bed

View all photos for Junior Cave Jetted Tub Suite with Sea View

Spa

Junior Cave Jetted Tub Suite with Sea View

  • Sleeps 2

View all photos for Jetted Tub Suite with Sea View

1 bedroom, in-room safe, desk, soundproofing

Jetted Tub Suite with Sea View

  • Sleeps 2

View all photos for Superior Jetted Tub Suite with Sea View

1 bedroom, in-room safe, desk, soundproofing

Superior Jetted Tub Suite with Sea View

  • Sleeps 2

View all photos for Infinity Pool Suite With Sea View

1 bedroom, in-room safe, desk, soundproofing

Infinity Pool Suite With Sea View

  • Sleeps 2

View all photos for Junior Suite with Sea View

1 bedroom, in-room safe, desk, soundproofing

Junior Suite with Sea View

  • Sleeps 2

View all photos for Master Suite Sea View with Heated Pool

Master Suite Sea View with Heated Pool | View from room

Master Suite Sea View with Heated Pool

10.0 out of 10
Exceptional
(1 review)
  • 409 sq ft
  • 1 bedroom
  • Sea view
  • Sleeps 4
  • 1 Queen Bed and 2 Twin Sofa Beds

View all photos for Master Suite Sea View with Heated Pool

1 bedroom, in-room safe, desk, soundproofing

Master Suite Sea View with Heated Pool

  • Sleeps 4

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About the neighborhood

Santorini

Old Castle Oia - Adults Only is adjacent to popular attractions such as Santorini Caldera and Oia Castle. Each of the 11 rooms at this guesthouse includes a furnished patio, a coffee maker, and a flat-screen TV.
View more Guest Houses in SantoriniOpens in a new window

What's nearby

  • Oia Castle - 1 min walk - 0.0 miles
  • Santorini Caldera - 1 min walk - 0.0 miles
  • Amoudi Bay - 3 min walk - 0.1 miles
  • Oia Blue Dome Church Viewpoint - 5 min walk - 0.2 miles
  • Tramonto ad Oia - 6 min walk - 0.3 miles

Getting around

  • Santorini National Airport (JTR) - 25 min drive

Restaurants

  • Pelekanos Restaurant
  • Lotza
  • Piatsa Souvlaki
  • pitoGyros
  • Κόκκινο Ποδήλατο (Red Bicycle)

About this property

Old Castle Oia - Adults Only

Adults-only guesthouse in Santorini with a seasonal outdoor pool
Old Castle Oia - Adults Only features free WiFi in public areas, a seasonal outdoor pool, and a terrace. Airport transportation is made easy with an airport shuttle (available 24 hours) for EUR 100 per room one-way. Front-desk staff can assist with securing valuables, luggage storage, and tours or tickets.
20-inch flat-screen TVs come with cable channels, and guests can stay connected with free WiFi. Bathrooms offer hair dryers, free toiletries, slippers, and bathrobes. Other amenities include furnished patios, coffee makers, and safes.
Recreational amenities at the guesthouse include a seasonal outdoor pool.

The recreational activities listed below are available either on site or nearby; fees may apply.

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Property amenities

Internet

  • Available in all rooms: Free WiFi
  • Available in some public areas: Free WiFi

Parking and transportation

  • No onsite parking available
  • 24-hour roundtrip airport shuttle on request for a surcharge

Food and drink

  • Daily continental breakfast available 8:00 AM to 11:00 AM for a fee: EUR 20 per person

Things to do

  • Seasonal outdoor pool

Conveniences

  • Limited-hour front desk
  • Luggage storage
  • Safe at front desk

Guest services

  • Concierge services
  • Housekeeping (daily)
  • Tour and ticket assistance

Outdoors

  • Outdoor furniture
  • Pool loungers
  • Pool umbrellas
  • Terrace

Accessibility

  • No elevator

More

  • At least 80% of food locally-sourced
  • Humane treatment of captive wild animals
  • Locally-owned and organized tours and activities
  • Smoking not allowed
  • Vegan dining options
  • Vegetarian dining options

Room amenities

Bedroom

  • Bedsheets provided

Bathroom

  • Bathrobes
  • Free toiletries
  • Hair dryer
  • Shampoo
  • Shower
  • Slippers
  • Soap
  • Toilet paper
  • Towels provided

Entertainment

  • 20-inch flat-screen TV with cable channels

Food and drink

  • Coffee/tea maker
  • Electric kettle
  • Mini-fridge

More

  • Air conditioning
  • Desk
  • Heating
  • Phone
  • Safe
  • Soundproofed rooms

Policies

Check-in

Check-in start time: 3:00 PM; Check-in end time: midnight
Contactless check-in available
Late check-in subject to availability
Minimum check-in age: 18

Check-out

Check-out before 11:00 AM

Special check-in instructions

The front desk is open daily from 9:00 AM - 9:00 PM
Guests must contact the property in advance for check-in instructions; front desk staffed during limited hours
To make arrangements for check-in please contact the property at least 48 hours before arrival using the information on the booking confirmation
If you are planning to arrive after midnight please contact the property in advance using the information on the booking confirmation
Information provided by the property may be translated using automated translation tools

Access methods

Front desk (limited hours)

Pets

  • Service animals exempt from fees

Children and extra beds

  • Children younger than 18 are not permitted to stay at this adults-only property (only guests 18 and older are allowed)

Property payment types

Important information

Fees

You'll be asked to pay these charges at the property:

  • A tax is imposed by the city and collected at the property. This tax is adjusted seasonally and might not apply year round. Other exemptions or reductions might apply. For more details, please contact the property using the information on the reservation confirmation received after booking.
  • A tax is imposed by the city: From 1 November - 31 March, EUR 0.50 per accommodation, per night
  • A tax is imposed by the city: From 1 April - 31 October, EUR 2.00 per accommodation, per night

These are all of the charges provided to us by the property.

Optional extras

These fees and deposits will be charged at check-in, check-out, or the time of service.

  • Fee for continental breakfast: approximately EUR 20 per person
  • Airport shuttle fee: EUR 100 per room (one-way)

This list may not be comprehensive. Fees and deposits might 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, debit card, or cash deposit 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
This property accepts credit cards and cash
Cashless transactions are available
Safety features at this property include a fire extinguisher
This property has outdoor spaces, such as balconies, patios, terraces which may not be suitable for children; if you have concerns, we recommend contacting the property prior to your arrival to confirm they can accommodate you in a suitable room
  • Check-in: 3:00 PM
  • Check-out: 11:00 AM
  • Minimum check-in age: 18
The front desk is available during limited hours. For convenient arrivals and departures, you can take advantage of the airport shuttle (available 24 hours), which is offered for a fee.

We should mention

Details about charges, deposits, or other important information:

  • This property is managed by a professional host. The provision of housing is linked to their trade, business, or profession.
  • This property has outdoor spaces, such as balconies, patios, terraces which may not be suitable for children. If you have concerns, we recommend contacting the property prior to your arrival to confirm they can accommodate you in a suitable room.
  • Charges for extra guests may apply and vary depending on the property's policy.
  • A cash deposit, credit card, or debit card for incidental charges, as well as a government-issued photo ID, may be required at check-in.
  • Special requests are subject to availability at the time of check-in and can't be guaranteed. Certain requests may come with additional charges.
  • No parking is available onsite.
  • This property accepts credit cards and cash.
  • Onsite safety features include a fire extinguisher.
  • Cashless payment methods are available for all transactions.

Additional information about polices, regulations, and more:

  • Due to national regulations, cash transactions can't exceed EUR 500 at this property. For additional details, contact the property using the contact information on your booking confirmation.
  • The seasonal pool is open from April to November.
  • There are no elevators.
  • No cribs or infant beds are available.
  • No rollaway or extra beds are available.

Property is also known as

Old Castle Oia
Old Castle Oia Adults Only
Old Oia Adults Only Santorini
Old Castle Oia - Adults Only Santorini
Old Castle Oia - Adults Only Guesthouse
Old Castle Oia - Adults Only Guesthouse Santorini

Frequently asked questions

Are free cancellation options available at Old Castle Oia - Adults Only?

Old Castle Oia - Adults Only provides free cancellation on some room rates. If you'd like to learn more, take a look at the cancellation policy on our site.

What can I see around Old Castle Oia - Adults Only?

This guesthouse is located in Santorini, just steps from Santorini Caldera and Oia Castle, and within a short 5-minute walk of Oia Blue Dome Church Viewpoint. You'll also find Amoudi Bay and Tramonto ad Oia less than a mile away.

Is parking available on site at Old Castle Oia - Adults Only?

No, there isn't parking at this guesthouse.

Does Old Castle Oia - Adults Only feature a casino at the property?

No, Old Castle Oia - Adults Only doesn't have a casino.

Is there an indoor pool at Old Castle Oia - Adults Only?

No, this guesthouse doesn't have an indoor pool; however, there is an outdoor pool. The seasonal pool is normally open from April until November.

What amenities will couples enjoy at Old Castle Oia - Adults Only?

Amenities that appeal to couples at this adults-only guesthouse include bathrobes and slippers in each accommodation with some featuring sea views.

Does Old Castle Oia - Adults Only have a hot tub?

Yes, some accommodations at this guesthouse feature private indoor spa tubs.

Does Old Castle Oia - Adults Only have a restaurant with a breakfast menu?

Old Castle Oia - Adults Only offers continental breakfast each morning for a surcharge though there is no restaurant.

Does Old Castle Oia - Adults Only allow pets to stay for free?

No, pets aren't allowed at Old Castle Oia - Adults Only though service animals are welcome.

Are there connecting rooms at Old Castle Oia - Adults Only?

No, this guesthouse doesn't feature connecting guestrooms.

How close is the airport from Old Castle Oia - Adults Only?

The closest major airport to Old Castle Oia - Adults Only is Santorini National Airport (JTR), which is 10.7 mi away (25 minutes by car).

Are there rooms with balconies at Old Castle Oia - Adults Only?

Yes, every accommodation at Old Castle Oia - Adults Only comes with a furnished patio with some featuring sea or pool views.

Old Castle Oia - Adults Only Reviews

Reviews

9.0

Wonderful

Rating 10 - Excellent. 79 out of 110 reviews
Rating 8 - Good. 15 out of 110 reviews
Rating 6 - Okay. 8 out of 110 reviews
Rating 4 - Poor. 4 out of 110 reviews
Rating 2 - Terrible. 4 out of 110 reviews

9.4/10

Cleanliness

9.0/10

Staff & service

9.0/10

Amenities

9.0/10

Property conditions & facilities

9.2/10

Eco-friendliness

Reviews

10/10 Excellent

Lavanya

Liked: Cleanliness, staff & service
Stayed 2 nights in Aug 2025

10/10 Excellent

John

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Stayed 2 nights in Sep 2025

10/10 Excellent

Ross

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Stayed 3 nights in Aug 2025

10/10 Excellent

Brandon, Alpine

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
This is a great place that is quiet and no kids. You do have to climb stairs to get to or go from the hotel but the perfect place to watch the sunset night. People come from the island to where the hotel is to watch the sunsets. The staff was amazing and very helpful. One of the better places we have stayed
Stayed 3 nights in Aug 2025

10/10 Excellent

Betsy

Traveled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Had an amazing experience with the hotel overall , I loved how it was in the quieter part of oía and felt more peaceful. The staff and service were amazing and rooms were comfortable and clean. The breakfast here was so good i highly recommended to purchase. Just be prepared for cliffs and steps because they are all over the island. But we would stay here again for sure.
Stayed 2 nights in Jul 2025

10/10 Excellent

Juan R

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Stayed 3 nights in Jul 2025

10/10 Excellent

Santiago, The Woodlands

Stayed 1 night in Jul 2025

10/10 Excellent

Kelly

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Santorini is absolutely beautiful. Old Castle is an affordable option and was just as described. We loved and used the outdoor pool/jacuzzi that was part of our room. Additionally, the hotel had a pool where we spent one day relaxing. The hotel’s location on the caldera is breath-taking and you can watch the sunset from your room/pool area. However, that means you need to walk a bit more to access the hotel - not a big deal if you are young, but we watched some middle-aged/older couples struggle with the extra steps to the hotel.
Stayed 4 nights in Jun 2025

10/10 Excellent

Volha

Liked: Cleanliness, amenities
Stayed 3 nights in May 2025

10/10 Excellent

Katherine

Traveled with partner
Liked: Cleanliness, staff & service, amenities
Awesome stay and an amazing place to watch the sunset. We stayed in a suite with a hot tub overlooking the water, which was wonderful. Surprisingly quiet at night given how close all the hotels are to one another. The front desk staff (Thanos) was so welcoming and lovely and even let us drop our bags off early in the day. Only thing that bothered us is that the air conditioning did not seem to bring the temp in the room to a comfortable level. It was a bit hot and stuffy
Stayed 1 night in May 2025

10/10 Excellent

Jonathan

Stayed 4 nights in May 2025

10/10 Excellent

Bonnie

Traveled with family
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Our room said sunset view but it was very limited. Otherwise the room was lovely and the scenery amazing
Stayed 1 night in Oct 2024

6/10 Okay

Jeffrey

Traveled with partner
Liked: Cleanliness
Location and view of the sunset are spectacular. However we booked the honeymoon suite room and upon entering, the room is nothing like the photos that’s presented online. Every room you see on the website all have a view of the sunset and a jacuzzi. Wish we didn’t spend the extra price for a room with small windows looking at the ocean. Would recommend to stay here but don’t spend a heavy price on rooms.
Stayed 1 night in Sep 2024

10/10 Excellent

Ayoub

Traveled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Excellent location. Best view of the sunset in all of Santorini. Excellent reception staff. Giorgos was very hospitable and friendly. Answered our questions, made reservations for us and always with a smile. 10/10
Stayed 3 nights in Sep 2024

10/10 Excellent

Karlee

Liked: Cleanliness, staff & service, property conditions & facilities
This is the best stay we had in Greece! Amazing property with great views!
Stayed 1 night in Aug 2024

10/10 Excellent

Kimia

Traveled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Very good location and service
Stayed 4 nights in Jul 2024

8/10 Good

Katya

Traveled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The sunset view from our room was spectacular
Stayed 1 night in Jun 2024

10/10 Excellent

Jenny

Traveled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The property is famous for its pool overlooking the sea and the best place to watch the sunset. We also had a private pool and area that we could enjoy out of the eyes of other tourist. Staff hotel were extremely accommodating and helpful. We would love to come back to this place
Stayed 2 nights in May 2024

10/10 Excellent

Joseph, Anchorage

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
This place is amazing!! Best views in town! Staff was unbelievably friendly & helpful. Made you feel right at home. I can’t say enough good about this experience. There’s not one thing I’d change.
Stayed 4 nights in May 2024

10/10 Excellent

David

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Great location and views.
Stayed 3 nights in Oct 2023

10/10 Excellent

Nitesh

Liked: Staff & service, amenities, property conditions & facilities
Good place
Stayed 2 nights in Oct 2023

8/10 Good

Adam

Traveled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The hotel only gets 4 stars due to the hill to get to the property. It is why the hotel is quiet and has a great view of the sunset, but the hill is also very steep and difficult to navigate in spots.
Stayed 4 nights in Oct 2023

4/10 Poor

Ivan

Traveled with partner, Traveled with family
Liked: Cleanliness, amenities, property conditions & facilities
Disliked: Staff & service
My luggage was broken by the staff and did help me at all when I mentioned that to them.
Stayed 1 night in Oct 2023

10/10 Excellent

Jordan

Traveled with group
Liked: Cleanliness, staff & service, property conditions & facilities
T
Stayed 4 nights in Oct 2023

10/10 Excellent

Jessica

Stayed 3 nights in Sep 2023