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Wellness & Culture Editor, SaunaNews
Anna Virtanen explores the intersection of sauna culture, wellness science, and hospitality design. A former spa director with a background in integrative health, she joined SaunaNews to bridge the gap between the commercial side of the industry and the lived experience of sauna bathing. Her features on emerging wellness trends and resort programming are widely shared across the hospitality sector.

The global cold plunge tub market reached an estimated $380 million in 2025, with brands like Plunge crossing $100M in revenue. But the bigger story is what cold plunge adoption does for the sauna market — data shows it's creating new sauna buyers, not stealing them.
A new generation of sauna designers is drawing deeply from Japanese onsen and sento traditions — bringing concepts of wabi-sabi, natural materials, and ritualistic sequencing into Western thermal wellness spaces.
Bathhouse, the Brooklyn-based social wellness club, told CNBC it expects to reach approximately $120 million in run-rate revenue by the end of 2026 — a milestone that validates the urban sauna social club as a serious business category, not a wellness fad.
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