One&OnlyUltra-LuxuryBeach
Kéa, Greece
63 rooms
John Heah / Modernist Cycladic Hand-Cut Stone Grand Palace Architecture
Kéa, Greece
Spa & Wellness
One&Only Kéa Island Spa & Wellness
The Guerlain Spa at One&Only Kéa Island spans three oceanfront levels as a clifftop wellness sanctuary. Facilities include private luxury treatment suites, outdoor hydrotherapy plunge pools, sauna gardens, an expansive heated outdoor freshwater swimming pool with private daybeds, and therapies utilizing Guerlain Abeille Royale and Orchidée Impériale skincare.
7:00am – 9:30pm daily
Facilities
- Private freshwater infinity swimming pools in every single cliffside villa
- Monumental three-story Guerlain Spa with vitality plunge pools and sauna gardens
- Private marina dock in Vroskopos Bay for yacht arrivals and speedboat transfers
- Club One featuring floodlit tennis and padel courts and state-of-the-art gym
Signature Treatment
Kéa Royal Honey and Aegean Salt Polish and Four Seasons Restorative Deep Tissue Massage.
One&Only Kéa Island spa FAQ
- How large is the Guerlain Spa?
- The Guerlain Spa spans three oceanfront levels with treatment suites, plunge pools, and saunas.
- What swimming pool facilities exist?
- The resort features a heated outdoor central pool with daybeds, plus private villa infinity pools.
- What signature treatment is featured?
- The signature ritual is the Kéa Royal Honey Polish and Four Seasons Restorative Deep Tissue Massage.
- What are the spa and pool hours?
- The Guerlain Spa and the central swimming pool are open daily from 7:00am to 9:30pm.
Reviewed by Hotel Flock · Last updated September 2026