A downtown Porto day spa whose thermal suite has a traditional Finnish sauna with two essential-oil dispensers (eucalyptus plus a rotating scent) and a steam room. The shared, mixed-gender sauna is sold by time: 20 EUR for two hours or 25 EUR for four, with towel, bathrobe, slippers, lounge and water or tea included. Sauna sessions run daily 9:00 to 22:00; children are not admitted. Massages and facials are also offered.