[10] It was the first spa in Sandefjord and functioned as a medical institution focusing on the treatment of symptoms for rheumatic diseases.
A majority of spa visitors were from Norway, but international guests from Germany, Britain and the United States also visited Kurbadet.
Among the spa's notable visitors were Henrik Ibsen, Svend Foyn, Camilla Collett, Adolph Tidemand, and members of the royal family.
The spa later expanded when Dr Thaulow purchased Hjertnes Hovedgård, a large farm by the city harbor, now home to Park Hotel.
The building, Socitetsbygningen, was equipped with a restaurant, reading hall, smoking room and pool tables.