Basto offers bookable saunas and cold-water bathing in Stockholm. Its booking page lists Hagaparken Albano, Stora Essingen and First Camp City; Visit Stockholm also lists Gåshaga on Lidingö among its locations. Visit Stockholm gives Basto’s address as Lidnersplan 8, 112 53 Stockholm. Guests can book drop-in and share a sauna with others, or reserve it privately for their own group. Basto says a private booking can hold up to 12 people.

A session takes 1.5 hours, including time to change. Book and pay online; Basto sends a code to unlock the sauna and get started. The booking page describes a floating sauna at Hagaparken Albano, by Brunnsviken, with cold bathing directly in the water. At Stora Essingen, it describes cold bathing from the jetty. Visit Stockholm says the sauna is warm and ready when a booked group arrives. Basto says no membership is needed.

Bring a towel, swimwear and a water bottle. Basto says cold bathing is at your own risk and that you should never do it alone. Only fresh water should be poured on the sauna heater. Leave the sauna clean when you go.