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OKU Hotel Kos - Adults Only

Property class: 5 and above

Photo gallery for OKU Hotel Kos - Adults Only

A covered outdoor seating area with a stone wall, a pool, and a view of the beach.
A beach scene with a wooden structure, a bench, and a person sitting on a sand dune.
A modern lounge area with a thatched roof, wooden furniture, and a large tree providing shade.
A spacious lounge area with a large window overlooking the ocean, furnished with sofas and a bar area with shelves of bottles.
A spacious room with a large tree, a wooden table with bottles, and a staircase.

Reviews

9.4 out of 10
Exceptional

Popular amenities

  • Parking included
  • Free Wi-Fi
The current price is NZ$491
includes taxes & fees
29 Oct - 30 Oct

Explore the area

View map
Marmari, Kos, 85300
  • Place, Marmari Beach
    ‪2 min drive‬
  • Place, Kardamena Port
    ‪26 min drive‬
  • Place, Kos Castle
    ‪27 min drive‬
  • Airport, Kos (KGS-Kos Island Intl.)
    ‪23 min drive‬

Room options

View all photos for Standard Double Room, 1 Bedroom, Garden Area

A modern bedroom with a large mirror, a hanging light fixture, a wooden bedside table, and a bed with patterned bedding.

Standard Double Room, 1 Bedroom, Garden Area

9.0 out of 10
Wonderful
(11 reviews)
  • Garden view
  • 32 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 Double Bed OR 2 Single Beds

View all photos for Premium Double Room, 1 Bedroom, Sea View

A modern two-story house with a wooden pergola over the entrance, surrounded by lush palm trees.

Premium Double Room, 1 Bedroom, Sea View

10.0 out of 10
Exceptional
(2 reviews)
  • Sea view
  • 32 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 Double Bed OR 2 Single Beds

View all photos for Junior Double Room, Poolside

A hammock under a thatched roof, a pool, and a stone wall with a palm tree in the background.

Junior Double Room, Poolside

9.4 out of 10
Exceptional
(10 reviews)
  • 45 sq m
  • 1 bedroom
  • Sleeps 3
  • 1 Double Bed and 1 Single Bed

View all photos for Suite, Private Pool, Executive Level

A poolside area with a hammock, lounge chairs, and a thatched umbrella.

Suite, Private Pool, Executive Level

10.0 out of 10
Exceptional
(2 reviews)
  • 65 sq m
  • 1 bedroom
  • Sleeps 3
  • 1 Double Bed and 3 Single Beds

View all photos for Villa, Private Pool, Oceanfront

A poolside area with lounge chairs, a hammock, and a stone wall.

Villa, Private Pool, Oceanfront

10.0 out of 10
Exceptional
(1 review)
  • 100 sq m
  • Sleeps 4
  • 2 Double Beds and 2 Single Beds

View all photos for Premium Double Room, 1 Bedroom, Resort View

A modern two-story house with a wooden pergola over the entrance, surrounded by lush palm trees.

Premium Double Room, 1 Bedroom, Resort View

8.0 out of 10
Very good
(1 review)
  • Resort view
  • 1 bedroom
  • Sleeps 2
  • 1 Double Bed OR 2 Single Beds

View all photos for Classic Double Room, 1 Bedroom, Garden Area

A bedroom with a bed, a desk, and a TV. There is a window with curtains and a view of greenery outside.

Classic Double Room, 1 Bedroom, Garden Area

  • Garden view
  • 1 bedroom
  • Sleeps 2
  • 1 Double Bed OR 2 Single Beds

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About the area

Kos

A luxury stay in Kos awaits you at OKU Hotel Kos - Adults Only. You'll be within a 15-minute walk of Marmari Beach and 2.6 km (1.6 mi) from Flamingo Beach. Highlights at this beachfront hotel include a full-service spa, a restaurant and an outdoor swimming pool. .A day of pampering can include massages, body wraps and mani/pedis. The hotel's own lounge bar and poolside bar are nice places to enjoy a drink. Spend the day at the beach and enjoy the on-site indoor swimming pool, gym and sauna. Other amenities include free Wi-Fi in public areas, a snack bar/deli and laundry facilities. Each morning free buffet breakfast is offered between 7 AM and 10 AM. There's also free self parking, along with the convenience of an airport shuttle. .In proximity to this 5-property class Kos hotel you'll find Port of Kos.

What's nearby

  • Marmari Beach - 2 min drive - 0.8 km
  • Tigaki Beach - 9 min drive - 7.2 km
  • Kardamena Port - 26 min drive - 19.2 km
  • Kos Castle - 27 min drive - 19.2 km
  • Kefalos Beach - 54 min drive - 32.4 km

Getting around

  • Kos (KGS-Kos Island Intl.) - 18 min drive

Restaurants

  • ‪Mythos Bar & Restaurant - ‬17 min walk
  • ‪Hotel Sandy Beach - ‬7 min walk
  • ‪Neptune Hotels Restaurant - ‬9 min drive
  • ‪Tam Tam Beach Bar - ‬9 min drive
  • ‪Sertiko Restaurant - ‬13 min walk

About this property

OKU Hotel Kos - Adults Only

OKU Hotel Kos - Adults Only offers its guests a full-service spa, an indoor pool, and an outdoor pool. Along with a restaurant, there's a snack bar/deli on site. You can enjoy a drink at one of the bars, which include a poolside bar and a bar/lounge. Free breakfast is available daily. WiFi is free in public spaces.

There's an onsite business centre. A health club, a sauna, and spa services are also featured at the luxury OKU Hotel Kos - Adults Only. Self parking is free.

Smoking is allowed in designated areas at this 5-star Kos hotel.

  • 100 guestrooms or units
  • Buffet breakfast (free)
  • Deli
  • Poolside lounge chairs
  • Umbrellas for the pool
  • Business facilities
  • Dry cleaning
  • Self-service laundry
  • Front desk (24 hours)
  • Storage area for luggage
  • Front desk safe
  • Tour and ticket information
  • Concierge
  • Library
  • Terrace
  • Garden
  • Smoking in designated areas
  • Bar or lounge
  • Bar by the pool
  • Dining venue
OKU Hotel Kos - Adults Only offers 100 air-conditioned accommodations with minibars and a safe. Rooms open to balconies or patios. Each accommodation is individually furnished. 32-inch flat-screen televisions come with cable channels. Bathrooms include a shower, bathrobes, slippers and complimentary toiletries.

This Kos hotel provides complimentary wireless Internet access. Business-friendly amenities include desks and telephones. Additionally, rooms include coffee/tea makers and a hairdryer. Housekeeping is provided on a daily basis.

The on-site spa has massage/treatment rooms. Services include facials, body wraps, body scrubs and body treatments.

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  • Breakfast included
  • Spa
  • Parking included
  • Free Wi-Fi
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Property amenities

Internet

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

Parking and transport

  • Return airport shuttle (surcharge)
  • Free self parking on site
  • Limited on-site self parking
  • Wheelchair-accessible parking available

Food and drink

  • Free buffet breakfast available daily 7 AM to 10 AM
  • A bar/lounge
  • A poolside bar
  • A restaurant
  • Snack bar/deli

Things to do

  • Bicycle rentals
  • Full-service spa
  • Health club
  • Indoor pool
  • Library
  • Outdoor pool
  • Sauna
  • Steam room
  • Yoga classes

Conveniences

  • 24-hour front desk
  • Laundry facilities
  • Luggage storage
  • Safe at front desk

Guest services

  • Concierge services
  • Dry cleaning/laundry service
  • Housekeeping (daily)
  • Tour and ticket assistance

Business services

  • Business centre

Outdoors

  • Garden
  • On the beach
  • Pool loungers
  • Pool umbrellas
  • Terrace

Full-service spa

  • Body scrubs
  • Body wraps
  • Facials
  • Manicures/pedicures
  • Massage
  • Spa treatment rooms

Accessibility

  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • No lift
  • Wheelchair accessible (may have limitations)
  • Wheelchair-accessible concierge desk
  • Wheelchair-accessible parking
  • Wheelchair-accessible pool
  • Wheelchair-accessible registration desk
  • Wheelchair-accessible spa

More

  • Designated smoking areas
  • Mosquito nets
  • Reception hall

Room amenities

Bedroom

  • Bedsheets provided
  • Blackout drapes

Bathroom

  • Dressing gowns
  • Free toiletries
  • Hair dryer
  • Private bathroom
  • Shower
  • Slippers
  • Towels provided

Entertainment

  • 32-inch flat-screen TV with cable channels

Food and drink

  • Coffee/tea maker
  • Limited room service
  • Minibar

More

  • Air conditioning
  • Desk
  • Individual furnishings
  • Phone
  • Safe
  • Soundproofed rooms

Policies

Check-in

Check-in start time: 3:00 PM; check-in end time: midnight
Minimum check-in age - 18

Check-out

Check-out before 11:00 AM
Late check-out subject to availability
A late check-out fee will be charged

Special check-in instructions

Front desk staff will greet guests on arrival at the property
This property doesn't offer after-hours check-in
Information provided by the property may be translated using automated translation tools

Access methods

Staffed front desk

Pets

  • No pets allowed

Children and extra beds

  • This property welcomes adults only.
  • Cots (infant beds) are not available.

Payment types

  • Mastercard
  • Visa

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 4.00 per accommodation, per night
  • A tax is imposed by the city: From 1 April to 31 October, EUR 15.00 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.

  • Late check-out is available for a fee (subject to availability)

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; cash is not accepted
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. This property accepts Visa and Mastercard. Cash is not accepted. For guests' safety, the property includes a fire extinguisher in all accommodation.

Property Registration Number 1012296

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.
  • Pool access available from 8:00 AM to 7:00 PM
  • Registered guests are the only ones allowed to be in guestrooms.

Property is also known as

Casa Cook Kos Hotel
Casa Cook Hotel
Casa Cook Kos
OKU Hotel Kos Kos
OKU Hotel Kos Hotel
OKU Hotel Kos Hotel Kos
OKU Kos ex Casa Cook Kos
OKU Hotel Kos Former Casa Cook Kos

Frequently asked questions

What is the cancellation policy at OKU Hotel Kos - Adults Only?

OKU Hotel Kos - Adults Only offers free cancellation on select room rates. Check out the cancellation policy for more info.

How much does it cost to stay at OKU Hotel Kos - Adults Only?

As of 26 Oct 2026, prices found for a 1-night stay for 2 adults at OKU Hotel Kos - Adults Only on 29 Oct 2026 start from NZ$491, including taxes and fees. This price is based on the lowest nightly price found in the last 24 hours for stays in the next 30 days. Prices are subject to change. Choose your dates for more accurate prices.

Is parking available at OKU Hotel Kos - Adults Only?

Yep, OKU Hotel Kos - Adults Only has a free self car park.

Are there any beaches close to OKU Hotel Kos - Adults Only?

Yep, OKU Hotel Kos - Adults Only is a short 15-minute walk from Marmari Beach. Fun beach activities include scuba diving.

Is there a spa on site at OKU Hotel Kos - Adults Only?

Yep, there is an onsite spa at OKU Hotel Kos - Adults Only. You'll enjoy heaps of services like body wraps, body scrubs and facials.

Does OKU Hotel Kos - Adults Only have a pool?

OKU Hotel Kos - Adults Only has an outdoor pool and an indoor pool. Grab your bathers and lounge poolside while enjoying under the shade of an umbrella and with a coldie from the bar. The pool is open 8:00 AM to 7:00 PM.

What luxury perks are available at OKU Hotel Kos - Adults Only?

OKU Hotel Kos - Adults Only features a full-service spa, a health club and an outdoor pool.

What makes OKU Hotel Kos - Adults Only a romantic place to stay?

A lounge bar, plus private balconies in the guestrooms, help set the scene for a romantic weekend at OKU Hotel Kos - Adults Only.

Is OKU Hotel Kos - Adults Only family-friendly?

No, OKU Hotel Kos - Adults Only is an adults-only property.

Does OKU Hotel Kos - Adults Only serve breakfast?

You bet, complimentary buffet breakfast is offered daily from 7 AM to 10 AM.

Is there a free airport shuttle available at OKU Hotel Kos - Adults Only?

No, but there's an airport shuttle for a fee.

Is there a bar or restaurant at OKU Hotel Kos - Adults Only?

Yep, they've got a lounge bar and an onsite restaurant that serves international cuisine. Pre dinner cocktails anyone?

What time are check-in & check-out at OKU Hotel Kos - Adults Only?

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

Are pets allowed at OKU Hotel Kos - Adults Only?

No, pets are not allowed.

OKU Hotel Kos - Adults Only Reviews

Reviews

9.4

Exceptional

Rating 10 - Excellent. 243 out of 330 reviews
Rating 8 - Good. 57 out of 330 reviews
Rating 6 - Okay. 23 out of 330 reviews
Rating 4 - Poor. 2 out of 330 reviews
Rating 2 - Terrible. 5 out of 330 reviews

9.6/10

Cleanliness

9.2/10

Staff & service

9.4/10

Amenities

9.6/10

Property conditions & facilities

Reviews

Verified review

8/10 Good

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Property was very well maintained as well as the rooms. All meals were very well presented and excellent in taste.
Stayed 5 nights in Jul 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, property conditions & facilities
Very good experience! 5/5 toasts
Stayed 10 nights in Jul 2026
Verified review

8/10 Good

Liked: Cleanliness, amenities, property conditions & facilities
Disliked: Staff & service
Hotel and rooms lovely. Service isn’t the best and very expensive food / drinks wise
Stayed 8 nights in May 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
After a hectic start in Istanbul, then off to Bodrum, landing at OKU in Kos was pure heaven. This resort is secluded far enough from town to feel totally at peace, with a great beach club, pool, and divine breakfast. One of our favorite things to do was the daily yoga and of course, a massage at the spa. The staff could not have been nicer. Would absolutely go again. Leigh San Francisco, CA
Stayed 4 nights in Jul 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Gorgeous area !! Exuding luxury & relaxing vibes . Our room with a semi private pool was out of this world . Breakfast offered numerous options that with respect to all nutritional preferences . Will definitely be back for a longer day .laid back luxury at its best ❤️
Stayed 1 night in Jun 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
We had a FANTASTIC stay 3-10 June 2026 and was very impressed by the quality of rooms, helpful staff and more importantly the overall experience and chilled energy the hotel gave us - it was exactly what we needed and will visit again hopefully next year. If you are looking to switch off and are ok to stay at a hotel a little off the beaten track, then this is your place. 100% recommend.
Stayed 7 nights in Jun 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Lovely accommodation, very friendly staff and a great place to relax
Stayed 7 nights in Oct 2025
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Staff great, amazing amenities and food
Stayed 3 nights in Aug 2025
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
One of the best all-round properties we have stayed at 10/10 - would recommend in a heart beat.
Stayed 1 night in Aug 2025
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Beautiful hotel with comfortable rooms and good restaurant. The staff was incredible.
Stayed 2 nights in Sep 2025
Verified review

10/10 Excellent

Liked: Cleanliness
The most beautiful hotel
Stayed 5 nights in Oct 2025
Verified review

10/10 Excellent

Liked: Cleanliness, amenities, property conditions & facilities
Laid back resort with delicious food options. High recommend if you are looking for a relaxing getaway.
Stayed 3 nights in Jul 2025
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, property conditions & facilities
Perfect stay
Stayed 6 nights in Sep 2024
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Loved our stay in OKU Kos - it is such a beautiful property in a stunning location and was 10/10 in every aspect. Will be recommending to family and friends as a must visit!
Stayed 4 nights in Aug 2025
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Loved this place ! The staff were excellent. The place is excellent.
Stayed 4 nights in Apr 2025
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
quiet, pleasant and very relaxed vibe throughout the complex
Stayed 7 nights in Jul 2025
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Super relaxing and stylish place with great service. Yoga at the beach is one of the highlights. Everyone is super friendly.
Stayed 4 nights in Sep 2025
Verified review

10/10 Excellent

Liked: Property conditions & facilities
Beautiful place with private Beach. Generous breakfast
Stayed 3 nights in Jun 2025
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
The Hotel is stunning. The beach is a 2 minute walk away. The Staff is very friendly and the room was beautiful and sparkling clean.
Stayed 5 nights in Jun 2025
Verified review

8/10 Good

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Great hotel- excellent service
Stayed 2 nights in May 2023
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
We recently stayed at OKU Kos and were absolutely blown away. Everything about this hotel is carefully designed and curated for the ultimate relaxing getaway. We stayed in a pool suite, which was wonderful —incredibly private, quiet, and the perfect space to unwind. The staff truly went above and beyond, with little chocolate treats delivered daily. They couldn't do enough for us, and were consistently kind, fun, chatty, and helpful. The amenities and activities were an added treat. We loved participating in the morning yoga classes, enjoying the beach party, and even taking a cookery class. The beach itself is gorgeous and goes on for miles, worth walking along and dipping in to cool off. As for the food—it was truly top-notch and Michelin-standard. The breakfast spread offered an amazing amount of choice, and our three-course half-board dinner was heavenly taste-wise every single night. We couldn't fault the place in the slightest. We would more than recommend to anyone looking for a stylish and luxurious adult only Greek escape!
Stayed 5 nights in May 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
I could recommend this hotel enough! Complete bliss, amazing staff, rooms and facilities. Pure bliss!!
Stayed 11 nights in Sep 2024
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
It was a great stay.Oku is a great luxurious escape from daily rushing life.Thanks to manager Alex and his colleagues we had a great stay.I would recommend highly for the people who is seeking a luxury slow living experience.
Stayed 2 nights in Apr 2025
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Absolutely brilliant hotel, it’s just very isolated
Stayed 7 nights in Jun 2024
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, property conditions & facilities
Beautiful hotel with great beach and outstanding food. Great daily breakfast spread, delicious cocktails and great atmosphere at dinner. Staff was very helpful arranging a rental car and making dinner reservations. The hotel’s guide book was super useful to exploring the area. Highly recommend!
Stayed 4 nights in Sep 2024