Mersea Sauna offers an authentic wood-fired Scandinavian sauna experience by Crosby Beach at Lakeside Adventure Centre. The handcrafted sauna reaches temperatures of 80-100 degrees celsius with a traditional wood stove and hot coals for authentic heat. Facilities include a cold plunge tub, changing area within the sauna, and access to Crosby Lakeside facilities. Stunning scenery along the Sefton Coastline provides the perfect backdrop.