The Argonaut Hotel

Green Key Eco Stays

The best Green Key certified eco stays, hand picked from the Netherlands to Denmark, where each hotel and lodge holds the international Green Key award for verified environmental management.

Guide to Green Key

What it is
Audited hospitality eco certification
Because a third party inspects each property against fixed criteria, the eco badge reflects checked practice on energy, water and waste rather than marketing language.
Best for
Hands off green booking
Choose this when you would rather trust an external inspector than vet a hotel's environmental record yourself before you book.
Top destinations
The Netherlands, Belgium, Denmark
The Netherlands, Belgium and Denmark lead here, as Green Key began in Northern Europe and is now woven into the region's mainstream hospitality standards.
For the trusting bookers
18 verified
For those who want the vetting done already
Book direct: Explore all 18 Green Key stays below and book direct with the property. Try Hotel Aguas Claras to start.

Van der Valk Gilze Tilburg

Van der Valk Gilze Tilburg is a hotel in the countryside in Gilze, North Brabant. Van der Valk Gilze Tilburg focuses on plastic reduction. Van der Valk Gilze Tilburg is Green Key certified.

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Hotel Navarra

Hotel Navarra is a hotel in Bruges, West Flanders. Hotel Navarra focuses on plastic reduction. Hotel Navarra is Green Key certified.

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Crowne Plaza Amsterdam-South

Crowne Plaza Amsterdam-South is a hotel in Amsterdam, North Holland. Crowne Plaza Amsterdam-South focuses on plastic reduction. Crowne Plaza Amsterdam-South is Green Key certified.

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Crowne Plaza Brussel Airport

Crowne Plaza Brussel Airport is a hotel in Machelen, Flemish Brabant. Crowne Plaza Brussel Airport focuses on plastic reduction. Crowne Plaza Brussel Airport is Green Globe certified.

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Voco the Hague

Voco the Hague is a hotel in The Hague, South Holland. Voco the Hague focuses on plastic reduction. Voco the Hague is Green Key certified.

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Mansion9bruges

Mansion9bruges is a bed & breakfast in Bruges, West Flanders. Mansion9bruges uses rainwater harvesting and focuses on plastic reduction and habitat conservation. Mansion9bruges is Green Key certified.

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Bergse Bossen

Bergse Bossen is a hotel in the woodland in Amsterdam, North Holland. Bergse Bossen focuses on plastic reduction and habitat conservation. Bergse Bossen is Green Key certified.

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Eigentijdserf

Eigentijdserf is a hotel in the woodland in Oost-, West- en Middelbeers, North Brabant. Eigentijdserf focuses on plastic reduction. Eigentijdserf is Green Key certified.

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Van der Valk Arnhem

Van der Valk Arnhem is a hotel in the woodland in Arnhem, Gelderland. Van der Valk Arnhem is powered by solar energy and focuses on plastic reduction. Van der Valk Arnhem is Green Key certified.

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Guldsmeden Babette

Guldsmeden Babette is a hotel in København, Capital Region. Guldsmeden Babette focuses on plastic reduction. Guldsmeden Babette is Green Key certified and Green Globe certified.

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Adagio Amsterdam City South

Adagio Amsterdam City South is a hotel in Amstelveen, North Holland. Adagio Amsterdam City South focuses on plastic reduction. Adagio Amsterdam City South is Green Key certified.

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Ethics You Can Trust

Every verified listing on our platform has undergone an in-person inspection. We personally capture high-definition photos and videos to ensure complete transparency and accuracy for your peace of mind. Our directory reaches tens of thousands of conscious travellers each month and ranks on the first page of Google for sustainable hotels, eco resorts and eco lodges in the Caribbean, sending readers straight to book direct with the stays we feature.

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