The Olive Tree
MediterraneanA charming spot known for its fresh local ingredients and warm atmosphere.
OKU Kos is a 5-star hotel in Marmari, Greece. Rated 9.4 out of 10 based on 953 guest reviews.
OKU Kos is a 5-star adults-focused stay in Marmari, Greece, on Sikamini Str, where the pace is calm and the emphasis stays on wellbeing. With a guest rating of 9.4/10 from 953 reviews, visitors consistently highlight the quality of the service and the sense of ease from check-in to late evenings. The area around Marmari is ideal for travelers who want sea air and downtime, yet still reach Kos Town in about 13 km for sightseeing and dining. If you’re planning day trips, you can pair a morning at Marmari Beach (around 1 km) with an afternoon at the Ancient Agora of Kos (about 14 km) or the Hippocrates Tree (about 14 km). For evenings, the Castle of the Knights is roughly 15 km away, offering a different kind of atmosphere than the coast.
Inside, the hotel’s wellness-led approach is a big draw. Guests mention using the swimming pool to reset between activities, and many appreciate the health and beauty spa options nearby for a more restorative rhythm. Fitness facilities are available for those who want to keep moving, and the property also supports practical travel needs with non-smoking rooms and air conditioning for comfortable rest. Dining is handled on-site via the restaurant and room service, which suits couples who prefer not to plan every meal around transport. For road-trip friendly guests, free parking is a clear advantage, especially if you’re exploring beyond Marmari. OKU Kos is best for couples and solo travelers seeking a quiet, polished base with strong review scores and a clear wellness tilt.
OKU Kos is worth booking for those seeking a luxurious, adults-only beachfront experience with high guest satisfaction. Its serene atmosphere and top-notch amenities make it an excellent choice for relaxation and wellness.
Upon arrival, you are greeted by the soothing sound of waves lapping against the sandy beach, setting the tone for a relaxing stay. The village-style architecture adds a charming touch, inviting you to explore the serene surroundings. Mornings begin with a leisurely stroll along the beach, followed by a sumptuous buffet breakfast at the on-site restaurant, where the aroma of fresh pastries fills the air. The day can be spent lounging by the swimming pool or indulging in spa treatments, ensuring a perfect blend of relaxation and rejuvenation.
Situated near Marmari Village, OKU Kos offers easy access to local shops and dining options within walking distance. The beachfront location enhances the experience, allowing for leisurely beach walks and quick access to water activities. For those looking to explore further, offsite parking is available at discounted rates, making it convenient for day trips.
Rooms start from 256 EUR per night, with a yearly average of 406 EUR. Prices vary significantly throughout the year — October offers the best rates, with savings of up to 57% compared to peak periods. Book early for the best deals.









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OKU Kos is primarily an adults-only hotel, making it best suited for couples and solo travelers looking for a peaceful retreat.
Check-in at OKU Kos is from 03:00 PM to 12:00 AM, while check-out is at 11:00 AM.
OKU Kos is approximately 13 km from Kos Town, offering easy access to the vibrant city life.
Yes, OKU Kos offers free parking for guests, making it convenient for those traveling by car.
Yes, OKU Kos features a swimming pool, perfect for relaxing and enjoying the sun.
Guests can enjoy a buffet breakfast and locally inspired dishes at the hotel's restaurant, providing a delightful culinary experience.
Yes, OKU Kos has fitness facilities available for guests, although there is a surcharge for use.
Nearby attractions include Marmari Beach, Lido Waterpark, and the ancient Asklepion, all within a short drive.
Free private parking is possible on site (reservation is not needed).
Children are not allowed.You haven't added any cots.You haven't added any extra beds.
Pets are not allowed.
WiFi is available in the hotel rooms and is free of charge.
953 reviews
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