Are you looking for sustainable adult only hotels in Europe that combine aesthetics, relaxation and indulgence?
Whether in the Dolomites, on the beaches of Tenerife, or the sun-drenched island of Mykonos – sometimes, you simply need a place where everything slows down. An adult only hotel offers just that: stylish retreats designed for grown-ups, with thoughtful design, good food, and a focus on rest without compromise.
Whether you’re escaping family life for a few days or just prefer a peaceful break without children – these handpicked, sustainable adult only hotels offer architecture with intention, culinary highlights, and places where calm is at the heart of the experience.
Our 2025 recommendation: These are the adult only hotels in Europe you should discover now – few holidays are this relaxing.
Adult Only Hotels in South Tyrol, Italy
SEEHOF Nature Retreat
Overlooking the South Tyrolean Alps, the SEEHOF Nature Retreat is nestled among apple orchards, forests, a natural lake, and an impressive mountain backdrop – a peaceful sanctuary with a spa and alpine charm.
Our highlights:
- Spa La Primavera with Finnish Sauna.
- Yoga and meditation ssessions on the terrace or right by the lake.
- A breakfast with organic ingredients – and the homemade cakes in the afternoon are legendary.
Silena, your soulful hotel
Overlooking the South Tyrolean Alps, SEEHOF Nature Retreat is set among apple orchards, forests, a natural lake, and mountain scenery – a peaceful spa escape rooted in alpine beauty.
Our highlights:
- Spa La Primavera with Finnish sauna
- Yoga and meditation sessions on the terrace or lakeside
- Breakfast made with organic ingredients – the homemade cakes in the afternoon are unforgettable
Adults-Only Hotels in Spain
Ecohotel El Agua, Teneriffa
A place for deep regeneration – this adult only hotel in Tenerife offers holistic wellness in the year-round mild climate of the Canary Islands.
Our highlights:
- Fasting and autophagy therapies with medical support
- Vegan, raw vegan, or vegetarian cuisine made with organic local ingredients
- Committed to animal welfare – including a horse rescue initiative
Wittmore Hotel, Barcelona
With only 22 rooms, Wittmore is an adult only oasis tucked into Barcelona’s Gothic Quarter. The mood recalls a refined New York speakeasy.
Our highlights:
- Central location perfect for exploring the city on foot
- Partnerships with local NGOs and regular beach cleanups
- Energy consumption significantly below industry average
Adults-Only Hotels in Portugal
Paraiso Escondido
Tucked into the Alentejo region’s rolling hills, this adult only boutique hotel is a secret sanctuary surrounded by cork oaks, vineyards, and its own organic garden.
Our highlights:
- A curated African art collection displayed across rooms and suites
- Just 15 minutes to the beach
- Vegetarian and vegan cuisine with Ayurvedic influence
Adults-Only Hotels in Greece
Bohème Mykonos
Perched above Mykonos Town, this adult only hotel offers uninterrupted views of the Aegean Sea and the island’s famous windmills. Expect whitewashed suites, private whirlpools, and garden yoga sessions.
Our highlights:
- Fresh lemonade made from lemons grown on the property
- Open-air yoga sessions on the wooden deck
- Suites with private outdoor whirlpools
ACRO Wellness Suites
Built into the cliffs of Crete, this sustainable adult only resort features cave-style suites with infinity pools and a deeply rooted wellness philosophy.
Our highlights:
- Daily movement sessions & an impressive Byzantine hammam
- Seasonal cuisine, including a Japanese-Peruvian fusion restaurant
- Community engagement through events and donations
Minos Palace Resort
Another Cretan gem for adult only holidays: private pools, generous terraces, and the Nao Wellbeing Center, where personalised wellness programs are crafted just for you.
Our highlights:
- Tennis court, diving & watersports centre
- Nama Pool Bar, featured in “The World’s 50 Best Bars”
- Organic materials used for linens and staff uniforms
SeeSoo Paros
Right on the beach, this adult only eco-hotel on Paros attracts kitesurfers and design lovers alike. Expect laid-back vibes and a strong sustainability ethos.
Our highlights:
- Kitesurfing and windsurfing in ideal conditions
- 100% plastic-free property
- Daily “Sunset Show” from 6 p.m.
Adults-Only Hotels in Turkey
OKU Bodrum
Framed by mountains and the sea, OKU Bodrum is an adult only hotel offering style and serenity. Don’t miss a boat trip to secluded bays and lively harbours.
Our highlights:
- ECOCERT-certified Barbare wines
- Paddleboarding followed by a hammam session
- Decor by local artisans and craftspeople
FAQ: Adults-Only Hotels
What does “adult only hotel” mean?
An adult only hotel is a hotel concept that caters exclusively to adults (usually 16+ or 18+). It’s designed for travellers who value peace, style, and a child-free environment.
Why do people choose adult only hotels?
- For a peaceful, distraction-free holiday
- Often architecturally and aesthetically refined
- Ideal for couples, solo travellers, or friends
Are there sustainable adult only hotels in Europe?
Yes. Select Green Hotels features only sustainable adult only hotels that operate responsibly, support local communities, and work with organic, regional products.
Are adult only hotels only for couples?
Not at all. Adult only holidays are perfect for solo travellers, wellness seekers, friends’ getaways or anyone looking for a break — minus the romance clichés.
Where can I find the best adult only hotels in Europe?
At Select Green Hotels, of course. All properties are carefully selected, sustainably operated, and designed for a meaningful, peaceful stay.
