The Scarlet – Cornwall

Overlooking the sweeping, romantic Mawgan Porth beach, this scintillating eco-hotel blurs the boundaries between inside and out, with glass walls, flat roofs covered in sea thrift and infinity pools that seem to reach to the sea. At the heart of The Scarlet is the womb-like Ayurveda-inspired spa, with tented pods suspended in the dark for deep relaxation. There’s an indoor pool and a reed-fringed, rock-strewn outdoor one, plus two clifftop hot tubs and a cedar barrel sauna perched overlooking the ocean. Bedrooms come in clusters on several levels, but they’re all soothing, with funky touches, excellent lighting, gorgeous beds and sea and sunset views. As for the delicious food, executive chef Mike Francis oversees his team with an air of calm, kindness and mutual respect, consistently serving up exceptional seasonal dishes from the hotel kitchen. The Scarlet may be thoroughly green and eco-friendly but there’s no sense of the 1970s hair shirt approach; once inside this adult-only sanctuary, the feeling is one of soothing, sybaritic luxury. The ultimate green escape.

Doubles from £230

+44 (0)1637 861800; scarlethotel.co.uk