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OKU Hotel Kos - Adults Only

5.0 star property
Beachfront hotel with full-service spa and free breakfast

Photo gallery for OKU Hotel Kos - Adults Only

Villa, Private Pool, Oceanfront | View from room
On the beach, white sand
Villa, Private Pool, Oceanfront
Breakfast, lunch, dinner served; international cuisine
Villa, Private Pool, Oceanfront

Reviews

9.4 out of 10
Exceptional

Popular amenities

  • Bar
  • Spa
  • Parking included
  • Room service

Explore the area

View map
Marmari, Kos, 85300
  • Place, Marmari Beach
    ‪12 min walk‬
  • Place, Tigaki Beach
    ‪8 min drive‬
  • Place, Lido Waterpark
    ‪9 min drive‬
  • Airport, Kos (KGS-Kos Island Intl.)
    ‪20 min drive‬

Room options

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

1 bedroom, minibar, in-room safe, individually furnished

Standard Double Room, 1 Bedroom, Garden Area

8.8 out of 10
Excellent
(10 reviews)

Highlights

Balcony or patio
Soundproofed
Individually furnished
Air conditioning
Flat-screen TV
Separate bedroom
Blackout curtains
Hairdryer
Balcony or patio
Soundproofed rooms
Individually furnished
Air-conditioning
Blackout drapes/curtains
Bathrobes
  • 32 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 Double Bed OR 2 Twin Beds

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

View from room

Premium Double Room, 1 Bedroom, Sea View

10.0 out of 10
Exceptional
(1 review)

Highlights

Balcony or patio
Soundproofed
Individually furnished
Air conditioning
Flat-screen TV
Separate bedroom
Blackout curtains
Hairdryer
Balcony or patio
Soundproofed rooms
Individually furnished
Air-conditioning
Blackout drapes/curtains
Bathrobes
  • 32 sq m
  • 1 bedroom
  • Sea view
  • Sleeps 2
  • 1 Double Bed OR 2 Twin Beds

View all photos for Junior Double Room, Poolside

Junior Double Room, Poolside | Terrace/patio

Junior Double Room, Poolside

9.6 out of 10
Exceptional
(7 reviews)

Highlights

Balcony or patio
Soundproofed
Individually furnished
Air conditioning
Flat-screen TV
Blackout curtains
Separate bedroom
Hairdryer
Balcony or patio
Soundproofed rooms
Individually furnished
Air-conditioning
Blackout drapes/curtains
Bathrobes
  • 45 sq m
  • Sleeps 3
  • 1 Double Bed and 1 Twin Bed

View all photos for Suite, Private Pool, Executive Level

View from room

Suite, Private Pool, Executive Level

10.0 out of 10
Exceptional
(2 reviews)

Highlights

Balcony or patio
Separate sitting area
Soundproofed
Individually furnished
Private plunge pool
Air conditioning
Flat-screen TV
Separate bedroom
Balcony or patio
Separate sitting area
Private pool
Soundproofed rooms
Individually furnished
Air-conditioning
  • 65 sq m
  • 1 bedroom
  • Sleeps 3
  • 1 Double Bed and 3 Twin Beds

View all photos for Villa, Private Pool, Oceanfront

Villa, Private Pool, Oceanfront

Villa, Private Pool, Oceanfront

Highlights

Balcony or patio
Separate sitting area
Soundproofed
Individually furnished
Private plunge pool
Air conditioning
Flat-screen TV
Blackout curtains
Balcony or patio
Separate sitting area
Private pool
Soundproofed rooms
Individually furnished
Air-conditioning
  • 100 sq m
  • Sleeps 4
  • 2 Double Beds and 2 Twin Beds

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

View from room

Premium Double Room, 1 Bedroom, Resort View

Highlights

Balcony or patio
Soundproofed
Individually furnished
Air conditioning
Flat-screen TV
Separate bedroom
Blackout curtains
Hairdryer
Balcony or patio
Soundproofed rooms
Individually furnished
Air-conditioning
Blackout drapes/curtains
Bathrobes
  • 1 bedroom
  • Resort view
  • Sleeps 2
  • 1 Double Bed OR 2 Twin Beds

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

1 bedroom, minibar, in-room safe, individually furnished

Classic Double Room, 1 Bedroom, Garden Area

Highlights

Balcony or patio
Soundproofed
Individually furnished
Air conditioning
Flat-screen TV
Blackout curtains
Separate bedroom
Hairdryer
Balcony or patio
Soundproofed rooms
Individually furnished
Air-conditioning
Blackout drapes/curtains
Bathrobes
  • Sleeps 2
  • 1 Double Bed OR 2 Twin 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 Alykes Kos Beach Area. 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. .Attractions within a 20-minute drive of this 5-property class Kos hotel include Port of Kos and Tigaki Beach.

What's nearby

  • Marmari Beach - 12 min walk - 1.0 km
  • Igroviotopos Alikis - 5 min drive - 2.7 km
  • Tigaki Beach - 8 min drive - 7.2 km
  • Lido Waterpark - 9 min drive - 7.2 km
  • Neptune Hotel Strand - 9 min drive - 6.4 km

Getting around

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

Restaurants

  • ‪Gaia Royal Cocktailbar - ‬8 min drive
  • ‪Restaurant Marmari Beach - ‬8 min walk
  • ‪Neptune Hotels Restaurant - ‬9 min drive
  • ‪Green & Grill - ‬9 min walk
  • ‪Ambrosia Restaurant - ‬7 min walk

About this property

OKU Hotel Kos - Adults Only

Beachfront hotel with full-service spa and free breakfast
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.

Similar properties

Sharing Pool Suite | Terrace/patio
Theros All Suite Hotel - Adults Only
  • Pool
  • Spa
  • Parking included
  • Free WiFi
4.8 out of 5, Exceptional, 185 reviews
Theros All Suite Hotel - Adults Only

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
  • 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

Access methods

Staffed front desk

Pets

  • No pets allowed

Children and extra beds

  • Children 15 and younger are not allowed at this property. All guests older than 15 are welcome.
  • 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 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
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.

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
  • Children 15 years old and younger aren't allowed at this property.
  • 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.

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.

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.

Reviews

OKU Hotel Kos - Adults Only Reviews

9.4

Exceptional

9.6/10

Cleanliness

9.2/10

Staff & service

9.4/10

Amenities

9.6/10

Property conditions & facilities

9.2/10

Eco-friendliness
Rating 10 - Excellent. 210 out of 278 reviews
Rating 8 - Good. 48 out of 278 reviews
Rating 6 - Okay. 17 out of 278 reviews
Rating 4 - Poor. 1 out of 278 reviews
Rating 2 - Terrible. 2 out of 278 reviews

Reviews

10/10 Excellent

Arian

Liked: Cleanliness, staff & service, property conditions & facilities
Stayed 5 nights in Jul 2025

10/10 Excellent

Henry

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

Oku Kos chilled vibes

Very nice relaxed vibes from this hotel group and the staff are always looking to make the stay a little special Would recommend the hotel to my friends because although fully booked the resort didn’t feel overcrowded There’s a private beach to catch the daily sunsets after a nice meal at the restaurant The breakfast spread indeed is nicely varied and the highlight meal of the day Best to hire a car to get access to the other local areas and it’s only a 10 min drive to the airport so you don’t have to feel rushed while topping up the last minute tan
Stayed 3 nights in Jul 2025

10/10 Excellent

Andrew

Liked: Cleanliness, staff & service, property conditions & facilities
Stayed 6 nights in Jul 2025

10/10 Excellent

Randi

Travelled with family
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

10/10 Excellent

Alex

Liked: Cleanliness, property conditions & facilities, room comfort
Stayed 1 night in Jun 2025

10/10 Excellent

Yasmin Anais

Stayed 7 nights in Jun 2025

10/10 Excellent

Heather

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The property is absolutely lovely, we especially liked that you feel the nature around the property. The best bit about it, is how lovely the staff are. Katerina in particular was a gem! Would definitely recommend.
Stayed 7 nights in Jun 2025

10/10 Excellent

wissam

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

10/10 Excellent

Olivia

Liked: Property conditions & facilities
Stayed 5 nights in May 2025

10/10 Excellent

Jamie

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
I had a fantastic stay at Oku. The staff are incredibly hard working and the level of customer service is outstanding. The hotel and grounds are beautiful. The private beach is stunning and lots of amenities. Loved the gym and spa and yoga on the beach. HIGHLY recommend
Stayed 7 nights in May 2025

10/10 Excellent

Ingomar

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
I had a wonderful stay at OKU Hotel! The service was exceptional, especially during breakfast. A special thanks to Catharina for her excellent and attentive service in the morning. She made us feel truly welcome and started each day on a perfect note. Highly recommended, and I will definitely be returning!
Stayed 4 nights in Apr 2025

10/10 Excellent

Lloyd

Travelled with family
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

10/10 Excellent

Kristina

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
We had the best honeymoon experience at OKU. They upgraded our room to a junior suite, which was absolutely stunning. We also had an incredible breakfast included. The overall ambience of the place was top notch, highly recommend.
Stayed 3 nights in Oct 2024

10/10 Excellent

rachel

Travelled with group
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Amazing hotel, such luxury! Junior suite was fantastic with access to semi private pool right outside the room. Main pool/bar/restaurant area is so chilled and beach a few minutes stroll. Will come here again for more relaxation in the sunshine ☀️
Stayed 3 nights in Oct 2024

10/10 Excellent

Francois

Stayed 7 nights in Sep 2024

10/10 Excellent

Talia

Travelled with family
Liked: Cleanliness, staff & service, amenities
Wonderful
Stayed 5 nights in Oct 2024

10/10 Excellent

Paul

Stayed 6 nights in Sep 2024

8/10 Good

Amr

Stayed 9 nights in Aug 2024

10/10 Excellent

Alison

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

10/10 Excellent

Carly

Travelled with partner
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

10/10 Excellent

Emma

Travelled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
We had a lovely stay at Oku Kos. Although fully booked it still felt very peaceful which is one of the great benefits of adults only resorts. We spent the majority of our time by the beach rather than the pool as you got a nice breeze from the sea and the loungers were really comfortable. The isn’t tonnes to do in local area (which was fine for us) but the staff are super helpful and assisted with all the bookings of restaurants and taxis in the evening if we wanted to dine elsewhere. The breakfast was amazing, everything you can think was available (which was included in our deal). The lunch menu was also great with lots of options. The menu changed again for dinner with more gourmet options available (mainly small plates), it would have been great to have a few additional options on there, it felt a little limited if you were to eat there every night. Other very small criticism was that we didn’t find the bed/ pillows as comfortable as some similar resorts we stayed at. Other than that all the staff were super friendly and we’d love to come back soon.
Stayed 7 nights in Sep 2024

10/10 Excellent

Jonas

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

10/10 Excellent

Verified traveller

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Stayed 2 nights in Aug 2024

10/10 Excellent

Giacomo

Liked: Cleanliness, staff & service, property conditions & facilities
Stayed 6 nights in Aug 2024

6/10 Okay

Chris

Travelled with partner
Liked: Cleanliness, amenities, property conditions & facilities
Disliked: Staff & service
Stayed 2 nights in Jul 2024