Finnish saunas in Kiel, Germany
Courtside Sauna & Wellness
Small sauna area attached to the Courtside tennis hall in Kiel-Wik, sold without membership as single tickets. It has a 90°C Finnish sauna, a 65°C bio-light sauna and a 48°C steam sauna, plus a plunge pool, a small exercise pool, a rest room, a winter garden and an outdoor terrace. A day ticket costs €14. Tuesday is women's day; the sauna is closed on Wednesdays and Sundays.
Rune Sauna
Rune Sauna is a small Norwegian-inspired sauna on the Kiellinie waterfront, on the grounds of the Kieler Kanu-Klub beside the public bathing spot. Guests book one-hour drop-in sessions for up to 15 people at 85 to 90 °C and cool off in the Kiel Fjord or under a garden shower. Unlike most German saunas, swimwear is required. Formats include silent and FLINTA* sessions, birch-whisk Banja ceremonies and Aufguss evenings; private hire costs €150 per hour.
Mare Wellness & Sport
Fitness and wellness club in Schönkirchen, east of Kiel, whose Saunawelt is open to day guests (€30 for a full day, €24 for 2.5 hours). It has a Finnish sauna, a herbal sauna, a bio sauna, infrared cabins and an Ottoman brine steam bath, plus a Finnish ladies' sauna from October to April. Staff run Aufguss sessions through the day, cooling is by gush bucket, an ice fountain and an outdoor terrace, and there is a 28 °C brine pool. The saunas are textile-free.
Saunabad Molfsee
Family-run sauna bath in Molfsee, on the southern edge of Kiel, open for more than 40 years and on 362 days a year, with no membership needed. It has a garden log-cabin sauna at 85-90°C for up to 40 people, a Finnish sauna, a coloured-light sanarium, a brine caldarium, a steam bath, an infrared cabin, a 12 x 6 m pool kept at 29°C, a Kneipp walk and a screened garden. Aufguss sessions run daily from 1 pm. Monday is women's day; a full day costs €22.
Hörnbad
Kiel's municipal pool on the Hörn, near the main station, with a rooftop sauna area reached from the outdoor terrace. It has two Finnish sauna rooms with views (90°C and 75°C) where scented Aufguss sessions alternate, a 60°C mild sauna, a steam room, a rooftop sun terrace and an outdoor whirlpool. All saunas are textile-free. From mid-September the sauna is closed on Mondays and Tuesday is women only. A 3-hour sauna-only ticket costs €16.
Schwimmhalle Preetz
Municipal indoor pool run by the town of Preetz on the shore of the Postsee, about 13 km south-east of Kiel, with a 25-metre pool and a sauna area. The sauna area has a steam bath (47 °C), a bio sauna (60 °C), a Finnish sauna (80 °C) and a Kelo sauna (95 °C), and is textile-free. Single sauna entry costs €21, or €14 from 7 PM Tuesday to Friday. Tuesday is women only, Monday is closed, and the sauna runs a reduced summer service from July to September.
Birke Spa
Day spa of the family-run Hotel Birke in Kiel-Hasseldieksdamm, open to day guests who book ahead by phone. Admission covers a 6 x 12 m pool at 29°C, a 90°C sauna, a 60°C vital sauna, an infrared cabin, a brine steam bath and a 40°C tepidarium, plus a Feng Shui garden with beach chairs, Kneipp basin and barefoot path. Aufguss ceremonies take place in the outdoor sauna. The hotel says the Finnish sauna is currently out of service.
Romantik Hotel Kieler Kaufmann – Sanctum
Sanctum is the spa of the Romantik Hotel Kieler Kaufmann, a villa hotel in Düsternbrook. It has a Finnish sauna and a bio sauna, an indoor pool, a rest room, a sun terrace overlooking the garden and a small Technogym fitness room. Outside visitors are welcome and can buy 10-visit cards, but from Friday 1 pm to Sunday 1 pm the spa is reserved for hotel guests.
FiZ Kiel
Large club-run fitness centre in a former tennis hall on Olshausenstraße, operated by the sports club VFG Kiel e.V. Its sauna area has two classic sport saunas at 80 and 90 °C, a relaxation room, foot basins for alternating baths and an ice fountain, with women-only sauna hours twice a week. Sauna use is included in every fitness and course membership rather than sold as single entry. In autumn 2026 the 80 °C sauna was out of service for repairs.
KIELS Fitness
Large fitness club of over 2,000 m² in Kiel with a members' wellness area. A mixed area has a Finnish sauna, a bio sauna and a Roman steam bath, and women have their own section with a separate Finnish sauna and daily changing Aufguss sessions. Cooling is by an ice fountain and gush showers, and a monthly Sauna Saturday adds special infusions. The sauna comes with membership rather than single entry.
Courtside Sauna & Wellness
Small sauna area attached to the Courtside tennis hall in Kiel-Wik, sold without membership as single tickets. It has a 90°C Finnish sauna, a 65°C bio-light sauna and a 48°C steam sauna, plus a plunge pool, a small exercise pool, a rest room, a winter garden and an outdoor terrace. A day ticket costs €14. Tuesday is women's day; the sauna is closed on Wednesdays and Sundays.
Rune Sauna
Rune Sauna is a small Norwegian-inspired sauna on the Kiellinie waterfront, on the grounds of the Kieler Kanu-Klub beside the public bathing spot. Guests book one-hour drop-in sessions for up to 15 people at 85 to 90 °C and cool off in the Kiel Fjord or under a garden shower. Unlike most German saunas, swimwear is required. Formats include silent and FLINTA* sessions, birch-whisk Banja ceremonies and Aufguss evenings; private hire costs €150 per hour.
Mare Wellness & Sport
Fitness and wellness club in Schönkirchen, east of Kiel, whose Saunawelt is open to day guests (€30 for a full day, €24 for 2.5 hours). It has a Finnish sauna, a herbal sauna, a bio sauna, infrared cabins and an Ottoman brine steam bath, plus a Finnish ladies' sauna from October to April. Staff run Aufguss sessions through the day, cooling is by gush bucket, an ice fountain and an outdoor terrace, and there is a 28 °C brine pool. The saunas are textile-free.
Saunabad Molfsee
Family-run sauna bath in Molfsee, on the southern edge of Kiel, open for more than 40 years and on 362 days a year, with no membership needed. It has a garden log-cabin sauna at 85-90°C for up to 40 people, a Finnish sauna, a coloured-light sanarium, a brine caldarium, a steam bath, an infrared cabin, a 12 x 6 m pool kept at 29°C, a Kneipp walk and a screened garden. Aufguss sessions run daily from 1 pm. Monday is women's day; a full day costs €22.
Hörnbad
Kiel's municipal pool on the Hörn, near the main station, with a rooftop sauna area reached from the outdoor terrace. It has two Finnish sauna rooms with views (90°C and 75°C) where scented Aufguss sessions alternate, a 60°C mild sauna, a steam room, a rooftop sun terrace and an outdoor whirlpool. All saunas are textile-free. From mid-September the sauna is closed on Mondays and Tuesday is women only. A 3-hour sauna-only ticket costs €16.
Schwimmhalle Preetz
Municipal indoor pool run by the town of Preetz on the shore of the Postsee, about 13 km south-east of Kiel, with a 25-metre pool and a sauna area. The sauna area has a steam bath (47 °C), a bio sauna (60 °C), a Finnish sauna (80 °C) and a Kelo sauna (95 °C), and is textile-free. Single sauna entry costs €21, or €14 from 7 PM Tuesday to Friday. Tuesday is women only, Monday is closed, and the sauna runs a reduced summer service from July to September.
Birke Spa
Day spa of the family-run Hotel Birke in Kiel-Hasseldieksdamm, open to day guests who book ahead by phone. Admission covers a 6 x 12 m pool at 29°C, a 90°C sauna, a 60°C vital sauna, an infrared cabin, a brine steam bath and a 40°C tepidarium, plus a Feng Shui garden with beach chairs, Kneipp basin and barefoot path. Aufguss ceremonies take place in the outdoor sauna. The hotel says the Finnish sauna is currently out of service.
Romantik Hotel Kieler Kaufmann – Sanctum
Sanctum is the spa of the Romantik Hotel Kieler Kaufmann, a villa hotel in Düsternbrook. It has a Finnish sauna and a bio sauna, an indoor pool, a rest room, a sun terrace overlooking the garden and a small Technogym fitness room. Outside visitors are welcome and can buy 10-visit cards, but from Friday 1 pm to Sunday 1 pm the spa is reserved for hotel guests.
FiZ Kiel
Large club-run fitness centre in a former tennis hall on Olshausenstraße, operated by the sports club VFG Kiel e.V. Its sauna area has two classic sport saunas at 80 and 90 °C, a relaxation room, foot basins for alternating baths and an ice fountain, with women-only sauna hours twice a week. Sauna use is included in every fitness and course membership rather than sold as single entry. In autumn 2026 the 80 °C sauna was out of service for repairs.
KIELS Fitness
Large fitness club of over 2,000 m² in Kiel with a members' wellness area. A mixed area has a Finnish sauna, a bio sauna and a Roman steam bath, and women have their own section with a separate Finnish sauna and daily changing Aufguss sessions. Cooling is by an ice fountain and gush showers, and a monthly Sauna Saturday adds special infusions. The sauna comes with membership rather than single entry.