Casa Kairós is the flagship of Kairós Spa, set among greenery on Avenida Morumbi; the brand bills itself as the largest urban spa in Latin America. Its thermal rituals include a panoramic dry sauna at 70–90 °C and a hammam, sold as separate treatments and inside day-use and day-spa packages; six-hour immersion days with sauna or hammam start at R$2,750. Open Monday to Saturday 9 AM–9 PM and Sunday 10 AM–6 PM.