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OKU Kos (formerly OKU Kos - Former Casa Cook Kos) 

SIKAMINI STR, Marmari, 85300 (show map)

9.3
Superb
798 verified reviews
1/40
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Hotel Overview

Located right on the sandy beach, 4 km from Marmari Village in Kos, the adults-only OKU Kos is a village-style hotel boasts an outdoor pool and a modern restaurant amidst its well-tended gardens. Guests can rejuvenate at the on-site spa centre featuring an indoor pool and a hammam, or exercise at the fitness centre.
A flat-screen TV with satellite channels and DVD player, as well as a CD player are provided. Certain rooms feature a seating area for your convenience. You will find a coffee machine in the room. Every room is equipped with a private bathroom. Extras include bathrobes, slippers and free toiletries.
Guests can start their day with a buffet breakfast served daily at the on-site restaurant, where they can also taste healthy, locally inspired dishes for lunch or dinner.
Yoga sessions can be arranged at the outdoor yoga terrace, while other outdoor activities such as stand-up paddling, horse riding and excursions can also be origanised. There is a 24-hour front desk and gift shop at the property.
Kos Town is 13 km from OKU Kos , while Kos International "Hippocrates" Airport is 10 km away. Free WiFi is featured and free private parking is available on site.

Formerly OKU Kos - Adults Only- ex Casa Cook Kos

Before September 2020 OKU Kos was known as OKU Kos - Adults Only- ex Casa Cook Kos

Before February 2020 OKU Kos was known as Casa Cook Kos - Adults Only

Before February 2020 OKU Kos was known as Casa Cook Kos

Before April 2019 OKU Kos was known as Casa Cook Kos

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Rooms
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Rooms List

Deluxe Double or Twin Room with Garden View - enter dates to see room photos

Providing free toiletries and bathrobes, this twin/double room includes a private bathroom with a shower, a hairdryer and slippers. The spacious air-conditioned twin/double room provides a flat-screen TV with cable channels, a private entrance, soundproof walls, a minibar as well as garden views.

Deluxe Double Room with Balcony and Sea View - enter dates to see room photos

Featuring free toiletries and bathrobes, this double room includes a private bathroom with a shower, a hairdryer and slippers. The spacious air-conditioned double room features a flat-screen TV with cable channels, a private entrance, soundproof walls, a minibar as well as sea views.

Suite with Private Pool - enter dates to see room photos

Guests will have a special experience as the suite features a pool with a view. Boasting a private entrance, this spacious suite also includes 1 bedroom, a seating area and 1 bathroom with a shower and a hairdryer. The air-conditioned suite offers a flat-screen TV with cable channels, soundproof walls, a minibar, a tea and coffee maker as well as sea views. The unit has 3 beds.

Villa with Private Pool - enter dates to see room photos

The pool with a view is the standout feature of this villa. Boasting a private entrance, this air-conditioned villa comes with 2 bedrooms and 1 bathroom with a shower and a hairdryer. Featuring a terrace with sea views, this villa also features soundproof walls and a flat-screen TV with cable channels. The unit has 3 beds.

Junior Suite Swim Up - enter dates to see room photos

The pool with a view is a top feature of this suite. Boasting a private entrance, this air-conditioned suite comes with 1 bedroom and 1 bathroom with a shower and a hairdryer. Featuring a terrace with pool views, this suite also features soundproof walls and a flat-screen TV with cable channels. The unit has 1 bed.

Deluxe Double Room with Balcony - enter dates to see room photos

Featuring free toiletries and bathrobes, this double room includes a private bathroom with a shower, a hairdryer and slippers. The spacious air-conditioned double room features a flat-screen TV with cable channels, a private entrance, soundproof walls and a minibar.

Bungalow with Garden View - enter dates to see room photos

Featuring a private entrance, this air-conditioned bungalow comprises 1 bedroom and 1 bathroom with a shower and a hairdryer. The bungalow provides soundproof walls, a minibar, a tea and coffee maker, a wardrobe, as well as a flat-screen TV with cable channels. The unit offers 2 beds.

Setup a Price Alert for OKU Kos

Each day we'll check prices and send you an email for your selected dates at OKU Kos. If you don't have specific dates but would like to check prices for say next weekend or say next month we can check the price too.

When the hotel goes on sale you will know straight away from the daily email and be able to book with confidence that you've got excellent value.

Facilities of OKU Kos

General
Free parking, On-site parking, Parking, Private parking

Activities
Canoeing, Cycling, Diving, Hiking, Horse riding

Services
Free WiFi, Internet services, WiFi

Food & Drink
Bar, Grocery deliveries, Restaurant, Room service, Snack bar, Special diet menus (on request)

Pools and wellness
Beachfront, Fitness centre, Hammam, Massage, Outdoor pool, Outdoor pool (seasonal), Private beach area, Sauna, Spa and wellness centre

Transportation
Airport shuttle, Airport shuttle (surcharge), Car hire, Electric vehicle charging station, Shuttle service (surcharge)

Front-desk/reception area services
24-hour front desk, Concierge service, Currency exchange, Express check-in/check-out, Luggage storage, Private check-in/check-out, Safety deposit box, Tour desk

Common areas
Garden, Sun terrace, Terrace

Entertainment and children services
Evening entertainment, Nightclub/DJ

Cleaning services
Daily maid service, Dry cleaning, Ironing service, Laundry

Business facilities
Business centre, Fax/photocopying, Meeting/banquet facilities

Miscellaneous
Adult only, Air conditioning, Heating, Non-smoking rooms, Soundproof rooms

Room facilities [ These may vary room to room ]
Air Conditioning, Balcony, Bathrobe, Bathroom, Cable Channels, Clothes rack, Coffee machine, Desk, Entire unit located on ground floor, Flat-screen TV, Free toiletries, Garden view, Hairdryer, Heating, Hypoallergenic, Ironing Facilities, Linen, Minibar, Outdoor furniture, Patio, Pool view, Private entrance, Private Pool, Safety Deposit Box, Satellite Channels, Sea view, Seating Area, Shower, Slippers, Sofa, Soundproofing, Tea/Coffee Maker, Telephone, Terrace, Toilet, Towels, TV, Wake Up Service/Alarm Clock, Wake-up service, Wardrobe/Closet

Last updated: 14 Apr 2026 - Update now

Hotel Policies

Check-In
15:00:00- hours

Check-Out
-11:00:00 hours

Cancellation / Prepayment
Cancellation, prepayment and 'book now pay later' policies vary according to room type. Please check the room conditions when selecting your room above.

Accepted credit cards
The hotel reserves the right to pre-authorise credit cards prior to arrival.

The fine print
Please note that children above 14 years old can be accommodated at the property.

Traveller reviews

Click to write a review and share your experience of OKU Kos with other travellers.

no imageSajida

“Amazing, beautiful hotel! Would come again and recommend to others.”

9.0

19 Jan 2026

Beautiful villa, delicious food at breakfast and dinner, good selection of non alcoholic drinks. And good selection of pescatarian food. Lovely friendly staff. We had half board which was great! The beach was my favourite! One of the best I have been too. So beautiful and private. I didn’t want to leave. Next time I would love to use the free paddle board and pay to do the horse riding.

no imageOzge

“Tranquil, meditative, chic, friendly.”

8.0

19 Jan 2026

The design, tranquility, the staff, rooms, basically everything.

no imageChris

“Perfect location and boutique resort”

10.0

28 Oct 2025

The location was superb nicely situation on it's own private coastline and beach. The grounds were intimate and nicely laid out and the common spaces were well designed. Breakfasts, dinners and drinks were yummy.

no imageGiuseppe

“Superb”

10.0

18 Oct 2025

The hotel is amazing! The room with the view of the sunset was the highlight, the stuff in particular Athanasia, Babis and Marc were super friendly, nice and helpfull! They do a really great job!


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