Largest sauna
Who
Josef Wund
What
166.10 square metre(s)
Where
Germany Sinsheim
When
The world’s largest sauna is the “Koi-Sauna” measuring 166.10 m² (1,787.88 ft²), located at the Badewelt Sinsheim GmbH in Sinsheim, Germany, and was opened in December 2012.