Saunas where the cold plunge is a lake, river or the sea instead of a tub.
etsauna lists 28 saunas with a natural cold plunge in and around New Zealand, including New Zealand (24), Cardrona (1), Nelson (1), Pepin Island (1) and Queenstown (1). A session costs NZ$23 to NZ$65, with a median of NZ$23. 27 are wood-fired. etsauna shows open session times live for 27 of them, so you can check before you go.
Pepin Island· Closed after December 31, 2026
- Waterfront
- Wood-fired
- Natural plunge
Goodheat Sauna (Cable Bay) is a waterfront, wood-fired sauna in Pepin Island. Sessions are NZ$30 for 60 min. It has a natural cold plunge. Capacity is listed as 8 people. It closes for the season from January 1, 2027.
Wood-fired sauna at Cable Bay beach, near Nelson. Communal sessions from $30 NZD/person (60 min, up to 8 guests), private sessions from $150 NZD (up to 6). Includes three 15-minute sauna rounds with cold-immersion dips in the sea between rounds. NZ-made sweaty meg stove with natural expanded cork insulation. Silent sessions also available. Open seasonally April–December, Fridays through Mondays.
- Price
- NZ$30 for 60 min
- Sessions
- Co-ed
- Clothing
- Swimwear required
- Address
- 875 Cable Bay Road, Pepin Island 7071, New Zealand
Nelson
- Waterfront
- Wood-fired
- Natural plunge
Goodheat Sauna (Nelson Yacht Club) is a waterfront, wood-fired sauna in Nelson. Sessions are NZ$30 for 60 min. It has a natural cold plunge. Capacity is listed as 8 people. etsauna shows its open session times live.
Twin wood-fired saunas at the Nelson Yacht Club with panoramic harbor views. Communal sessions from $30 NZD/person (60 min, up to 8 guests), private sessions from $150 NZD (up to 10). Three 15-minute sauna rounds with cold-immersion dips in the sea between rounds. Arrive swim-ready as changing facilities are being remodelled. Open seasonally, bookings recommended.
- Price
- NZ$30 for 60 min
- Sessions
- Co-ed
- Clothing
- Swimwear required
- Address
- 322 Wakefield Quay, Nelson 7010, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Auckland) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Auckland, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Cambridge) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Cambridge, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Coromandel Coast / Tairua) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Tairua, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Gisborne) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Gisborne, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Hutt Valley) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Hutt Valley, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Kaikoura) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Kaikoura, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Kapiti) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Kapiti, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Mahia / Wairoa) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Mahia, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Manawatu) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Manawatu, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Mangawhai) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Mangawhai, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Motueka) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Motueka, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Mount Maunganui) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Mount Maunganui, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Napier) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Napier, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Ohope) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Ohope, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Papamoa) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Papamoa, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Plimmerton) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Plimmerton, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Rotorua) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Rotorua, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Taranaki) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Taranaki, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Tauranga) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Tauranga, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Te Awanga / Hastings) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Te Awanga, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Waihi) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Waihi, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Wairarapa) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Wairarapa, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Wellington) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Wellington, New Zealand
New Zealand
- Waterfront
- Wood-fired
- Natural plunge
The Sauna Project (Whangamata) is a waterfront, wood-fired sauna in New Zealand. Sessions are NZ$23 for 60 min. It has a natural cold plunge. Capacity is listed as 6 people. etsauna shows its open session times live.
Beachside mobile sauna by The Sauna Project. Sessions are 3 rounds of 15 minutes heat + ocean plunge over 1 hour.
- Price
- NZ$23 for 60 min
- Address
- Whangamata, New Zealand
Cardrona
The Secret Sauna Cardrona is an outdoor, wood-fired sauna in Cardrona. Sessions are NZ$55 for 60 min. The sauna runs at 158-203°F. It has a natural cold plunge. etsauna shows its open session times live.
Hidden wood-fired sauna in the mountains between Queenstown and Wanaka, reached only by the venue's troop-carrier truck from the Waiorau Nordic Road car park. Sessions run as three 15-minute rounds with aufguss led by a host, alternating with cold plunge pools fed directly from a natural mountain creek, then complimentary herbal tea in a panoramic yurt. Transport to and from the site, one towel, and tea are included with every booking. Shared sessions are 1 hour ($55/person); private sessions up to 12 people also available. Bookings open 4 weeks in advance for shared sessions and 8 weeks for private; bookings essential as transport is required. Over 18s only for public sessions.
- Price
- NZ$55 for 60 min
- Address
- Waiorau Nordic Road, Cardrona 9382, New Zealand
Queenstown
Watershed Saunas is a floating sauna in Queenstown. Sessions are NZ$65 for 60 min. It has a natural cold plunge and showers. Towels are included. Capacity is listed as 14 people. etsauna shows its open session times live.
New Zealand's first floating sauna on Lake Wakatipu in Queenstown. Two handcrafted Finnish-style saunas on a floating pontoon with Narvi heaters, cold plunge directly into the glacial lake, and waterfall bucket showers. Shared sessions from $65 NZD/person (60 min, up to 14 guests). Private sessions available from $325 NZD. Towels and lockers provided. Qualmark Gold certified.
- Price
- NZ$65 for 60 min
- Sessions
- Co-ed
- Clothing
- Swimwear required
- Address
- St Omer Wharf, 110 Beach Street, Queenstown 9300, New Zealand
Built from etsauna's listings for New Zealand. Prices and hours can change, so check the listing before you go. More city guides