The crossword solution for the term 'site for a sauna' is SPA. A SPA is a location where people can go to relax and enjoy various treatments such as massages, facials, and saunas. A sauna is a type of steam bath that uses hot air and steam to help people relax and detoxify their bodies. Spas often offer saunas as part of their services, making them a great place to visit for those looking to relax and unwind.