Mercure Yokosuka - Mercure Yokosuka Achieves Green Key Certification

First Hotel on the Miura Peninsula to Receive the International Eco-Label

Mercure Yokosuka is proud to announce that it has been awarded the internationally recognized Green Key certification, becoming the first hotel on the Miura Peninsula to receive this prestigious eco-label. The certification was officially granted on June 24, 2026, recognizing the hotel’s ongoing commitment to environmental responsibility and sustainable hospitality.

Green Key is a leading international eco-certification for hotels and tourism establishments, operated by the Foundation for Environmental Education (FEE). The certification recognizes properties that meet rigorous environmental standards and demonstrate excellence in sustainable management, including energy conservation, waste reduction, water management, and environmental education.

The certification reflects Mercure Yokosuka’s long-standing efforts to reduce its environmental impact while strengthening its connection with the local community. Guided by the brand philosophy of celebrating local culture and creating meaningful guest experiences, the hotel continues to integrate sustainability into every aspect of its operations.

“Receiving Green Key certification marks an important milestone in our sustainability journey,” said Mercure Yokosuka. “We remain committed to protecting the natural beauty and cultural heritage of Yokosuka and the Miura Peninsula while providing memorable and responsible hospitality for our guests.”

Building on this achievement, Mercure Yokosuka will continue working alongside local communities, partners, and guests to promote environmentally responsible tourism and contribute to a more sustainable future.

Sustainability Initiatives at Mercure Yokosuka

Mercure Yokosuka is committed to creating a more sustainable future together with the local community.
Through responsible hotel operations, we continue to implement initiatives that reduce our environmental footprint while supporting the people, culture, and environment of Yokosuka.

Eliminating Single-Use Plastics
The hotel has eliminated single-use plastic amenities throughout its operations. Guest amenities have been replaced with products made from natural materials, bottled water has been discontinued, and takeaway containers and cutlery have been transitioned to paper and wood-based alternatives.

Celebrating Local Ingredients
Mercure Yokosuka works closely with farmers and producers across Yokosuka and the Miura Peninsula, incorporating locally sourced ingredients whenever possible. By promoting local food culture, the hotel supports regional producers while reducing transportation-related environmental impacts.

Sustainable Food & Beverage
The hotel offers environmentally and socially responsible dining options, including vegan menu selections and dishes that avoid the use of endangered species. Guests can also enjoy sustainably sourced coffee and Fairtrade-certified tea as part of the hotel’s commitment to responsible procurement.

Reducing Waste and Food Loss
Mercure Yokosuka actively promotes resource circulation by participating in used cooking oil recycling programs and improving waste separation throughout the property. In the kitchen, food waste is measured and monitored to reduce unnecessary disposal, while educational signage encourages guests to join the hotel’s sustainability efforts.

Supporting the Local Community
The hotel regularly participates in local environmental clean-up activities and provides sustainability training for employees. Through guest awareness initiatives and community partnerships, Mercure Yokosuka strives to contribute to a more sustainable and resilient destination.

Reducing plastic waste through paper packaging and naturally derived amenities

Supporting local communities with locally sourced ingredients

Promoting environmentally and socially responsible dining

Engaging in community clean-up and environmental conservation activities

About Green Key
Green Key is a voluntary international eco-certification programme operated by the Foundation for Environmental Education (FEE). Hotels and tourism establishments undergo an independent third-party assessment based on comprehensive environmental criteria covering areas such as environmental management, energy efficiency, water conservation, waste management, and sustainability education.

Today, Green Key is recognized in more than 90 countries, with over 9,000 certified hotels and tourism establishments, making it one of the world’s leading standards for sustainable hospitality.