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Theros All Suite Hotel welcomes you to its blissful world, inspired by Greek architecture and the spirit of slow living on the beautiful Greek island of Kos in Greece. Come as a guest, leave as a friend!
Put the World on Pause
Discover an adults-only hideaway offering a fresh concept of hospitality. One that strives for a simpler, sustainable and meaningful concept of slow living.
Choose your sanctuary
Think Green. Stay Greener.
Sustainability lies deep within the values of Theros All Suite Hotel on Kos island! Design respecting nature with an eco-friendly approach is the essence of Theros All Suite Hotel, the offspring of the Mastrominas family. We have combined our passions and expertise to create a unique, environmentally friendly hotel experience in Kos island, filled with the distinctive warmth of Greek summer.
The Flavour of Summer on Kos
In Theros All Suite Hotel on Kos island we created a menu based upon Hippocrates’ principle that “we are what we eat”. Experience our all-day menu at the Theros All Suite Hotel signature restaurant Mazi, meaning “together” / “join us” in Greek and boasting the best farm-to-table cuisine. A gastronomical journey that pays homage to who we are and where we come from is to be enjoyed in the restaurant of Theros All Suite Hotel on Kos island!
Memorable hospitality tales await at Theros All Suite Hotel on Kos island, Greece. Reconnect with the soothing vibes of summer and relish moments of tranquillity. Discover a lush green oasis surrounded by the sun-drenched nature of Kos and enjoy a memorable holiday experience in Greece.
Opening Offer
Embrace the art of refined relaxation at Theros All Suite.
To celebrate our season opening, we offer special prices for stays of 4 nights or more.
Book your stay today and immerse yourself in luxury.
Long Stay Offer 2025
Book at least 7 nights and enjoy "Theros All Suite" vibes for a long stay at privileged prices.
Specific room types participate in this offer.
FREE airport transfer up to 4 guests
Stay with us in summer 2025 for 5 nights or more and get a FREE private transfer from the port/airport to the hotel & back!
*The offer is valid for the room types: Private Pool Suite, Premium Private Pool Suite, Villa Mezzanine Private Pool & Theros Suite Private Heated Pool
The Spirit of Summer Wellbeing
Theros is the season of summer, heat and harvest, and is a state of mind, a concept of life. Our vision at Theros All Suite Hotel in Kos island, is to offer you a holistic experience of island happiness inspired by the concept of Ef-Zin, meaning well-being in ancient Greek. It encompasses a lifestyle based on Aristotle’s philosophy of completeness and the pursuit of happiness. In our signature “Ef-Zin” Spa and gym in Kos island, you are invited to gloriously switch off and find inner peace through immersive experiences that reconnect you with nature.