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Old Castle Oia - Adults Only

Adults-only guesthouse in Santorini with a seasonal outdoor pool

Photo gallery for Old Castle Oia - Adults Only

Seasonal outdoor pool, pool umbrellas, pool loungers
Suite, Jetted Tub, Sea View | Terrace/patio
Superior Suite, Jetted Tub, Sea View
Superior Suite, Jetted Tub, Sea View | Private spa tub
Superior Suite, Jetted Tub, Sea View | Living area

Reviews

9.0 out of 10
Wonderful

Popular amenities

  • Housekeeping
  • Air conditioning
  • Free WiFi

Explore the area

View map
Oia, Santorini, 84700
  • Place, Oia Castle
    ‪1 min walk‬
  • Place, Amoudi Bay
    ‪3 min walk‬
  • Place, Oia Blue Dome Church Viewpoint
    ‪5 min walk‬
  • Airport, Thira (JTR-Santorini National)
    ‪22 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)

Highlights

Furnished patio
Soundproofed
Private outdoor hot tub
Air conditioning
Heating
Mini-fridge
Flat-screen TV
Separate bedroom
  • 33 sq m
  • 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)

Highlights

Furnished patio
Soundproofed
Private pool
Air conditioning
Heating
Mini-fridge
Flat-screen TV
Separate bedroom
  • 35 sq m
  • 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

Superior Suite, Jetted Tub, Sea View

10.0 out of 10
Exceptional
(5 reviews)

Highlights

Furnished patio
Soundproofed
Private outdoor hot tub
Air conditioning
Heating
Mini-fridge
Flat-screen TV
Separate bedroom
  • 35 sq m
  • 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)

Highlights

Furnished patio
Soundproofed
Private indoor hot tub
Air conditioning
Heating
Mini-fridge
Flat-screen TV
Separate bedroom
  • 30 sq m
  • 1 bedroom
  • Sea view
  • Sleeps 2
  • 1 Double Bed

View all photos for Junior Suite, Sea View

Junior Suite, Sea View | Living room

Junior Suite, Sea View

10.0 out of 10
Exceptional
(2 reviews)

Highlights

Furnished patio
Soundproofed
Air conditioning
Heating
Mini-fridge
Flat-screen TV
Separate bedroom
Bathrobes
  • 30 sq m
  • 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)

Highlights

Furnished patio
Soundproofed
Private plunge pool
Air conditioning
Heating
Mini-fridge
Flat-screen TV
Separate bedroom
  • 38 sq m
  • 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 area

Santorini

At Old Castle Oia - Adults Only you'll be within steps of popular attractions like Santorini Caldera and Oia Castle. Highlights at this guest house include in-room free WiFi and furnished patios. .Enjoy the seasonal outdoor swimming pool and pool loungers. Additionally, you'll find free Wi-Fi in public areas, concierge services and a terrace. Continental breakfast is available daily between 8:00 AM and 11:00 AM. There's also the convenience of an airport shuttle. .Attractions within a 30-minute drive of this Santorini guest house include Oia Blue Dome Church Viewpoint and Kamari Beach.
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What's nearby

  • Oia Castle - 1 min walk - 0.0 km
  • Santorini Caldera - 1 min walk - 0.0 km
  • Amoudi Bay - 3 min walk - 0.2 km
  • Oia Blue Dome Church Viewpoint - 5 min walk - 0.3 km
  • Tramonto ad Oia - 6 min walk - 0.5 km

Getting around

  • Thira (JTR-Santorini National) - 25 min drive

Restaurants

  • ‪Lotza - ‬3 min walk
  • ‪Pelekanos Restaurant - ‬4 min walk
  • ‪Piatsa Souvlaki - ‬7 min walk
  • ‪Κόκκινο Ποδήλατο (Red Bicycle) - ‬2 min walk
  • ‪pitoGyros - ‬8 min walk

About this property

Old Castle Oia - Adults Only

Adults-only guesthouse in Santorini with a seasonal outdoor pool
As a guest of Old Castle Oia - Adults Only, you'll find a seasonal outdoor pool, a terrace, and tour/ticket assistance. WiFi is free in public spaces. An airport shuttle (available 24 hours) is available for a fee. Old Castle Oia - Adults Only also features concierge services, a front desk safe, and pool umbrellas.

This Santorini guest house is smoke free.

  • 11 guestrooms or units
  • Poolside lounge chairs
  • Umbrellas for the pool
  • Breakfast available (surcharge)
  • Front desk (limited hours)
  • Storage area for luggage
  • Front desk safe
  • Tour and ticket information
  • Concierge
  • Terrace
  • No smoking on site
Old Castle Oia - Adults Only offers 11 air-conditioned accommodations with a safe and coffee/tea makers. Rooms open to furnished patios. 20-inch flat-screen televisions come with cable channels. Bathrooms include a shower, bathrobes, slippers and complimentary toiletries.

Guests can surf the web using complimentary wireless Internet access. Business-friendly amenities include desks and telephones. Housekeeping is provided on a daily basis.

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Property amenities

Internet

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

Parking and transport

  • No on-site parking available
  • 24-hour return 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 lift

More

  • At least 80% of food locally-sourced
  • Humane treatment of captive wild animals
  • Locally-owned and organised tours and activities
  • Smoke-free property
  • Vegan dining options
  • Vegetarian dining options

Room amenities

Bedroom

  • Bedsheets provided

Bathroom

  • Dressing gowns
  • 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 and check-out are 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

Access methods

Front desk (limited hours)

Pets

  • No pets allowed, but service animals are welcome

Children and extra beds

  • Children younger than 18 are not allowed at this adults-only property. All guests 18 and older are welcome.
  • Rollaway/extra beds are not available.
  • Cots (infant beds) are not available.

Payment types

Important information

Fees

Guests will be asked to pay the following 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 all year round. Other exemptions or reductions may 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 to 31 March, EUR 0.50 per accommodation, per night
  • A tax is imposed by the city: From 1 April to 31 October, EUR 2.00 per accommodation, per night

We've listed all charges provided to us by the property.

Optional extras

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

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

This may not be a comprehensive list. Fees and deposits are subject to change and might not include tax.

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 and terraces, which may not be suitable for children; if you have any concerns, we recommend contacting the property prior to your arrival to confirm that they can accommodate you in a suitable room
Charges for extra guests may apply and vary according to property policy.
A cash deposit, credit card or debit card for incidental charges and government-issued photo identification may be required upon check-in.
Special requests are subject to availability at the time of check-in. Special requests can't be guaranteed and may incur additional charges.
    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 and terraces, which may not be suitable for children. If you have any concerns, we recommend contacting the property prior to your arrival to confirm that they can accommodate you in a suitable room. No on-site parking is available. This property accepts Visa, Mastercard, American Express and cash. For guests' safety, the property includes a fire extinguisher in all accommodation. Cashless payment methods are available for all transactions.

We should mention

  • On-site cash transactions can't exceed EUR 500, due to national regulations. For more details, please contact the property using information in the booking confirmation.
  • The seasonal pool will open in April and close in November.
  • This is an adults-only property and guests under 18 years old aren't allowed.

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

What is the cancellation policy at Old Castle Oia - Adults Only?

Old Castle Oia - Adults Only offers free cancellation on select room rates. Check out the cancellation policy for more info.

Are there any beaches close to Old Castle Oia - Adults Only?

Yep, Old Castle Oia - Adults Only is a short 10-minute walk from Ammoudi. Fun beach activities include windsurfing.

Does Old Castle Oia - Adults Only have a pool?

Old Castle Oia - Adults Only has a seasonal outdoor pool. Grab your bathers and lounge poolside while enjoying under the shade of an umbrella. The pool is open from April to November.

Is Old Castle Oia - Adults Only family-friendly?

No, Old Castle Oia - Adults Only is an adults-only property.

Does Old Castle Oia - Adults Only serve breakfast?

You bet, continental brekkie is on offer daily from 8:00 AM to 11:00 AM.

Is there a free airport shuttle available at Old Castle Oia - Adults Only?

No, but there's an airport shuttle that runs 24 hours a day on request for a fee.

What time are check-in & check-out at Old Castle Oia - Adults Only?

Check-in begins at 3:00 PM. Check-out time is 11:00 AM.

Are pets allowed at Old Castle Oia - Adults Only?

No, only service animals are allowed.

Reviews

Old Castle Oia - Adults Only Reviews

9.0

Wonderful

9.4/10

Cleanliness

9.0/10

Staff & service

9.0/10

Amenities

9.0/10

Property conditions & facilities

9.2/10

Eco-friendliness
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

Reviews

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

Travelled 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

Travelled 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

Travelled 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

Travelled 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

Travelled 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

Travelled 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

Travelled 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

Travelled 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

Travelled 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

Travelled with family, Travelled with partner
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

Travelled 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

10/10 Excellent

Puneet

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Hotel has the best sunset views in Santorini. Our room had its own plunge pool, you can watch the sunset from our pool. The hotel only has a breakfast option but no restaurant Inside the hotel. There’s plenty of dining options close by though. Be prepared to walk though as obviously no cars can come to this area. They sent a staff member to help us bring our luggage from main road, it’s about a 15 minute walk. Highly recommend the hotel amazing views and quieter than other parts of Santorini.
Stayed 3 nights in Sep 2023

8/10 Good

Mary

Travelled with family
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
This is a beautiful hotel for sunset views and romantic evenings spent at the pool. Staff was very helpful, organized, and polite. I recommend getting the room service breakfasts, everything was delicious. The path of stairs that leads you to the hotel from where your driver will be able to drop you is long and can be tricky to walk up and down due to the slippery stones so bear that in mind when booking. I was able to do them while five months pregnant but probably wouldn’t be able to in the third trimester.