On the beach at Marmari, on the island of Kos, OKU Kos keeps seven rooms and takes no guests under eighteen. Diving and canoe gear are kept on site, airport pick-up and drop-off are arranged directly, and the fitness room and bar are both small enough never to feel crowded. For two people who want a short stretch by the water with little left to organise once they land.
Seven rooms keep the house small enough that the beachfront, the fitness room and the bar rarely feel busy. A front desk and security run through the night, and health care professionals are available if you need one. Diving and canoeing gear is kept on site, cycling can be arranged, and breakfast comes in covered containers if you would rather carry it down to the sand than eat it at a table. Evenings run to organised entertainment for anyone who wants it, and to nothing at all for anyone who doesn't.
OKU Kos sets a minimum age of 18 in its own house rules, read on 11 August 2026. A house whose rule drops below eighteen, or stops naming an age, is taken off HUSH — how every house is checked.
The resort sits a few steps back from the water, where the beach gives way to dunes and low reed beds before the flat blue of the Aegean. From the shaded terraces the eye travels out past sun-bleached grasses to distant headlands and the small islands scattered between them. Daybeds and loungers are set out on the sand below, close enough that the sea stays part of every day.
Inside, the palette stays soft and earthen: limewashed walls, brown linen throws, jute rugs and woven baskets against cool concrete. Bespoke beds sit low beneath cane lampshades, and speakers and quiet technology are tucked in without breaking the mood. Bathrooms are carved into plaster niches stocked with robes and local amenities, made for long, slow mornings.

MassageMovie nightsNightclub or DJPersonal trainerSpa packagesSaunaThemed dinnersYogaCycling (off-site)Diving (off-site)Hiking (off-site)Horse riding (off-site)Kayak or canoe (off-site)
3 nights · 2026-09-23 → 2026-09-26 · 2 adults
Asking the house for its rooms…
We stayed at OKU for 2 nights at the end of our trip to Kos and we thought this will be a perfect place to end the holidays as it looks amazing in the photos. We loved the beach one of the nicer ones we saw during...
Perfect facility - village atmosphere -, wonderful style and furnishings (instagrammable ;). Our suite with swim-up area was fanstastic. The breakfast is exceptional and very varied. Dinner was also very tasty and...
Very well designed, both practically and aesthetically. Whilst the rooms are quite close together, you never feel like you loose privacy. The decking area overlooks the sand dunes was very beautifully laid out, and...
it’s beautiful and quaint and perfect for watching sunsets.
These are the property’s reviews as our booking partner holds them. We have never collected a review, and none of this is written or checked by us.
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Everything below is the property’s own text and its own list, as it publishes them. We have not rewritten any of it.
Nestled on the sandy beach near Marmari Village, OKU Kos offers a serene adults-only escape with village-style architecture.
Beachfront Luxury Retreat
Nestled on the sandy beach near Marmari Village, OKU Kos offers a serene adults-only escape with village-style architecture.
Relaxation and Wellness
Indulge in the spa with indoor pool and hammam, or stay active at the fitness centre.
Culinary Delights and Activities
Enjoy buffet breakfast and locally inspired dishes at the modern restaurant. Engage in yoga sessions, stand-up paddling, and more outdoor activities.
Ready to experience luxury by the beach? Book your stay at OKU Kos now!
Please note that children above 14 years old can be accommodated at the property.
A deposit may be required at the property.
The house lists these as things to do from here. Where a line is marked off-site it is not on the property — a dive site, a trail, a stable. That mark is ours, not theirs.
The beach is on the doorstep, and diving and canoe equipment is kept on site rather than booked through a separate outfit. You walk out of the house and you are on the sand.
Breakfast is available packed in covered containers, made for eating on the sand rather than at a table - useful on a morning when the water looks better than the dining room.
A fitness centre and locker rooms sit alongside scheduled fitness classes, so a session before breakfast doesn't need any kit brought from home.
Airport pick-up and drop-off are arranged directly through the house, along with a shuttle, so the trip from the airport to the room doesn't need a separate taxi booked.

Answered from what the house itself publishes.
Yes. OKU Kos, a resort in Marmari, Greece, sets a minimum age of 18 in its own house rules, so every guest on site is 18 or older. We last read the rule on 11 August 2026.
No. The minimum age at OKU Kos is 18, and it is the house's own rule rather than a preference — anyone younger cannot book or stay. This page quotes where the rule is written.
OKU Kos is a resort in Marmari, Greece. Its own site is https://www.okuhotels.com/oku-kos/.
Check-in at OKU Kos is from 03 PM and check-out is by 11 AM, as the house lists them.
No — OKU Kos lists itself as not accepting pets. Ask the house before you book if it matters to your trip.
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Every house here is adults only: the property's own rules set a minimum age of eighteen. Whether a dog may come is on each page.