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Design
Hot stuff

From rusty steel walls to curved grotto-like interiors, and from floating saunas to the world’s largest. We round up some great-looking projects in the booming world of sauna bathing


Read more from this issue of Spa Business magazine

View contents of Spa Business 2016 issue 2
THINKING BIG

Agora Sauna - Sandhornoya, Norway
Design: Rintala Eggertsson Architects & Joar Nango

A sauna – billed as the world’s largest at 180sq m (1,938sq ft) – opened in mid 2015 on a remote Norwegian beach on an island in the Arctic Circle as part of a cultural programme of art and music.

Jointly built by Norway-based Rintala Eggertsson Architects and artist and designer Joar Nango, the glass-fronted Agora Sauna holds more than 100 people and looks out onto the Arctic Sea, offering views of the mountainous seascape. It also features its own bar.

Norwegian musician and recording artist Biosphere has created a specially commissioned ambient soundtrack, called Polar Low, which plays in the sauna.
Located in Sandhornoya, the Agora Sauna is part of a unique, moveable cultural initiative called SALT, which aims to bring together art, architecture, music and food in the Arctic landscape. Its amphitheatre-style seating means the space can also be used for a programme of events, including talks and performances.

Designed as a temporary installation, the sauna and SALT project are likely to remain in Sandhornoyha until September. After that, the idea is to tour northern locations like Scotland, the Faroe Islands, Iceland, Greenland and Alaska.

 



Located in the Arctic Circle, the Agora Sauna is part of a moveable cultural initiative called SALT
 


The amphitheatre-style seating in the sauna can also be used for a varied programme of events
 
 


The sauna’s design was inspired by traditional Norwegian fish racks
 
 


The sauna’s design was inspired by traditional Norwegian fish racks
 
INSPIRED BY NATURE

Grotto Sauna - Ontario, Canada
Design: Partisan

Designed by Toronto-based practice Partisans, the battered-looking charred timber exterior of the Grotto Sauna in Ontario hides a curved, sensual, warm interior.

The sauna is perched on a private island in Georgian Bay, Ontario. The design was inspired by the rugged northern Canadian landscape, and by natural waterside grottos – with curved chambers worn smooth by water currents.

The exterior is built from charred cedar chosen for its weathered appearance and prepared using the traditional Japanese Shou Sugi Ban method (an ancient art of burning timber to preserve and antique it). Inside, large curved windows flood the space with natural light and provide views across the bay.

The sauna was designed using 3D modelling and was constructed off-site before being transported to its home by boat.

The architects of the project says: “The Grotto Sauna is a feat of old-world craftsmanship and new-world sustainability made possible by cutting-edge software and fabrication technology. It is a sculpted space, a sensual experience and a sophisticated exercise in building science.”

 



The curved interior was inspired by natural grotto walls, which are worn smooth by the water
 


Located on a private island in Ontario, Grotto Sauna juts into a lake and provides views over Georgian Bay
 
 


Charred cedar was chosen for its natural, weathered appearance and was prepared and antiqued using ancient Japanese methods
 
 


Charred cedar was chosen for its natural, weathered appearance and was prepared and antiqued using ancient Japanese methods
 
BANDING TOGETHER

The Bands - Lofoten Norway
Design: Oslo School of Architecture and Design students

Students at the Oslo School of Architecture and Design (AHO) have designed and built a quayside sauna and terrace from three connected wooden ‘bands’ that step down to the water in the fishing village of Lofoten in Norway.

The Bands is a project by students at the Scarcity and Creativity Studio, a graduate design and build studio with the AHO. The larch-lined structure was inspired by three historic buildings on the site: a fisherman’s cottage, a cod liver oil production building and a cod salting building, which all date back to the early 1900s. The AHO graduates were tasked with designing the sauna and exterior facilities as part of a wider project which also involves the renovation of the three historic buildings.

The larch clad structure – which has been designed to look like three separate buildings, but is actually interconnected inside – houses a sauna, wooden benches and a wood burning stove. The outside terrace features benches and a table, as well as a barbecue and hot tub/plunge pool.

 



The structure is designed to look like three separate buildings, but the interior is actually one space
 


The project is the work of students at the Scarcity and Creativity Studio, part of the Oslo School of Architecture and Design
 
 


A wood burning stove provides heat for the building. The design is clean and simple, with larch used throughout
 
 


The folds echo the rugged landscape and reference the historic buildings on the site
 
 


The folds echo the rugged landscape and reference the historic buildings on the site
 
SMALL BUT PERFECTLY FORMED

Spruce Sauna - New England, USA
Design: Matter Design

Boston-based firm Matter Design has designed an unusual maze-like sauna structure,with several rooms nesting vertically inside the narrow building, for a private farm in New England.

Spruce Sauna features a dressing room, shower, plunge pool and steamroom. The building features a curved ceiling, which, according to the designers: “Holds the steam at a specific elevation that one can slip above and below as moving through the programs.”

 



The dressing room, steamroom, plunge pool and shower are nested vertically in this New England sauna
 


The dressing room, steamroom, plunge pool and shower are nested vertically in this New England sauna
 
ON THE WATER

Floating Sauna - Seattle, USA
Design: goCstudio

Seattle-based architects goCstudio have built and launched a floating sauna in Seattle, providing locals with a new perspective of their waterfront city.

The designers wanted to create a tranquil refuge which could tour Seattle’s many lakes. Designs were drawn up in January 2014 and a successful Kickstarter campaign raised over US$40,000 to keep the project afloat. Construction was completed in late 2015, and the vessel – named the wa_sauna – has now been tested and registered to sail.

The sauna is transported from lake to lake by its operators and is propelled through the water by an electric trolling motor. Heat is provided by a wood burning stove.

 



The sauna will tour Seattle’s many lakes by an electric trolling motor
 


The sauna will tour Seattle’s many lakes by an electric trolling motor
 
ROUGH & READY

Bathing Culture - Gothenburg, Sweden
Design: Raumlabor

When the City of Gothenburg wanted to revitalise its battered harbour front, as part of a wider scheme to regenerate the Jubilee Park and Frihamnen areas, the architects in charge – Raumlabor – turned to the Sweden’s rich sauna bathing tradition for inspiration.

They planned to create a project called Bathing Culture, with a first phase being the building of a beach and the Sauna in Frihamnen.

The 20-seater sauna building, constructed by volunteers out of local recycled materials, has bank-side changing rooms, riverside walkways and landscaping.
Phase two will see the creation of a public bath next to or in the river, as well as outdoor water play, cultural buildings, a roller derby track and an urban garden space.

The sauna won the architects of Sweden Västra Götalands architecture prize in 2015.

 



Visitors access the sauna via a wooden bridge. It is part of a wider project aiming to revitalise the harbour
 


The sauna was made with entirely recycled materials, with a wooden interior and corrugated iron cladding
 
 


Visitors access the sauna via a wooden bridge. It is part of a wider project aiming to revitalise the harbour
 
FEATURED SUPPLIERS

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COMPANY PROFILES
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Oakworks is a US-based FSC-certified manufacturer of spa, massage, and medical equipment. [more...]
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21-23 Jun 2026

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Midlands (Venue TBA), Liphook, United Kingdom
22-22 Jun 2026

World Bathing Day

Worldwide,
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News   Products   Magazine   Subscribe
Design
Hot stuff

From rusty steel walls to curved grotto-like interiors, and from floating saunas to the world’s largest. We round up some great-looking projects in the booming world of sauna bathing


Read more from this issue of Spa Business magazine

View contents of Spa Business 2016 issue 2
THINKING BIG

Agora Sauna - Sandhornoya, Norway
Design: Rintala Eggertsson Architects & Joar Nango

A sauna – billed as the world’s largest at 180sq m (1,938sq ft) – opened in mid 2015 on a remote Norwegian beach on an island in the Arctic Circle as part of a cultural programme of art and music.

Jointly built by Norway-based Rintala Eggertsson Architects and artist and designer Joar Nango, the glass-fronted Agora Sauna holds more than 100 people and looks out onto the Arctic Sea, offering views of the mountainous seascape. It also features its own bar.

Norwegian musician and recording artist Biosphere has created a specially commissioned ambient soundtrack, called Polar Low, which plays in the sauna.
Located in Sandhornoya, the Agora Sauna is part of a unique, moveable cultural initiative called SALT, which aims to bring together art, architecture, music and food in the Arctic landscape. Its amphitheatre-style seating means the space can also be used for a programme of events, including talks and performances.

Designed as a temporary installation, the sauna and SALT project are likely to remain in Sandhornoyha until September. After that, the idea is to tour northern locations like Scotland, the Faroe Islands, Iceland, Greenland and Alaska.

 



Located in the Arctic Circle, the Agora Sauna is part of a moveable cultural initiative called SALT
 


The amphitheatre-style seating in the sauna can also be used for a varied programme of events
 
 


The sauna’s design was inspired by traditional Norwegian fish racks
 
 


The sauna’s design was inspired by traditional Norwegian fish racks
 
INSPIRED BY NATURE

Grotto Sauna - Ontario, Canada
Design: Partisan

Designed by Toronto-based practice Partisans, the battered-looking charred timber exterior of the Grotto Sauna in Ontario hides a curved, sensual, warm interior.

The sauna is perched on a private island in Georgian Bay, Ontario. The design was inspired by the rugged northern Canadian landscape, and by natural waterside grottos – with curved chambers worn smooth by water currents.

The exterior is built from charred cedar chosen for its weathered appearance and prepared using the traditional Japanese Shou Sugi Ban method (an ancient art of burning timber to preserve and antique it). Inside, large curved windows flood the space with natural light and provide views across the bay.

The sauna was designed using 3D modelling and was constructed off-site before being transported to its home by boat.

The architects of the project says: “The Grotto Sauna is a feat of old-world craftsmanship and new-world sustainability made possible by cutting-edge software and fabrication technology. It is a sculpted space, a sensual experience and a sophisticated exercise in building science.”

 



The curved interior was inspired by natural grotto walls, which are worn smooth by the water
 


Located on a private island in Ontario, Grotto Sauna juts into a lake and provides views over Georgian Bay
 
 


Charred cedar was chosen for its natural, weathered appearance and was prepared and antiqued using ancient Japanese methods
 
 


Charred cedar was chosen for its natural, weathered appearance and was prepared and antiqued using ancient Japanese methods
 
BANDING TOGETHER

The Bands - Lofoten Norway
Design: Oslo School of Architecture and Design students

Students at the Oslo School of Architecture and Design (AHO) have designed and built a quayside sauna and terrace from three connected wooden ‘bands’ that step down to the water in the fishing village of Lofoten in Norway.

The Bands is a project by students at the Scarcity and Creativity Studio, a graduate design and build studio with the AHO. The larch-lined structure was inspired by three historic buildings on the site: a fisherman’s cottage, a cod liver oil production building and a cod salting building, which all date back to the early 1900s. The AHO graduates were tasked with designing the sauna and exterior facilities as part of a wider project which also involves the renovation of the three historic buildings.

The larch clad structure – which has been designed to look like three separate buildings, but is actually interconnected inside – houses a sauna, wooden benches and a wood burning stove. The outside terrace features benches and a table, as well as a barbecue and hot tub/plunge pool.

 



The structure is designed to look like three separate buildings, but the interior is actually one space
 


The project is the work of students at the Scarcity and Creativity Studio, part of the Oslo School of Architecture and Design
 
 


A wood burning stove provides heat for the building. The design is clean and simple, with larch used throughout
 
 


The folds echo the rugged landscape and reference the historic buildings on the site
 
 


The folds echo the rugged landscape and reference the historic buildings on the site
 
SMALL BUT PERFECTLY FORMED

Spruce Sauna - New England, USA
Design: Matter Design

Boston-based firm Matter Design has designed an unusual maze-like sauna structure,with several rooms nesting vertically inside the narrow building, for a private farm in New England.

Spruce Sauna features a dressing room, shower, plunge pool and steamroom. The building features a curved ceiling, which, according to the designers: “Holds the steam at a specific elevation that one can slip above and below as moving through the programs.”

 



The dressing room, steamroom, plunge pool and shower are nested vertically in this New England sauna
 


The dressing room, steamroom, plunge pool and shower are nested vertically in this New England sauna
 
ON THE WATER

Floating Sauna - Seattle, USA
Design: goCstudio

Seattle-based architects goCstudio have built and launched a floating sauna in Seattle, providing locals with a new perspective of their waterfront city.

The designers wanted to create a tranquil refuge which could tour Seattle’s many lakes. Designs were drawn up in January 2014 and a successful Kickstarter campaign raised over US$40,000 to keep the project afloat. Construction was completed in late 2015, and the vessel – named the wa_sauna – has now been tested and registered to sail.

The sauna is transported from lake to lake by its operators and is propelled through the water by an electric trolling motor. Heat is provided by a wood burning stove.

 



The sauna will tour Seattle’s many lakes by an electric trolling motor
 


The sauna will tour Seattle’s many lakes by an electric trolling motor
 
ROUGH & READY

Bathing Culture - Gothenburg, Sweden
Design: Raumlabor

When the City of Gothenburg wanted to revitalise its battered harbour front, as part of a wider scheme to regenerate the Jubilee Park and Frihamnen areas, the architects in charge – Raumlabor – turned to the Sweden’s rich sauna bathing tradition for inspiration.

They planned to create a project called Bathing Culture, with a first phase being the building of a beach and the Sauna in Frihamnen.

The 20-seater sauna building, constructed by volunteers out of local recycled materials, has bank-side changing rooms, riverside walkways and landscaping.
Phase two will see the creation of a public bath next to or in the river, as well as outdoor water play, cultural buildings, a roller derby track and an urban garden space.

The sauna won the architects of Sweden Västra Götalands architecture prize in 2015.

 



Visitors access the sauna via a wooden bridge. It is part of a wider project aiming to revitalise the harbour
 


The sauna was made with entirely recycled materials, with a wooden interior and corrugated iron cladding
 
 


Visitors access the sauna via a wooden bridge. It is part of a wider project aiming to revitalise the harbour
 
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FEATURED SUPPLIERS

Endospheres' new protocols are designed to meet real client needs
Spa professionals see it every day: clients are arriving with more complex expectations. [more...]

Longevity in spas: a strategic choice, not a default setting
Longevity has become one of the most debated concepts in contemporary wellness. [more...]
+ More featured suppliers  
COMPANY PROFILES
Oakworks Inc

Oakworks is a US-based FSC-certified manufacturer of spa, massage, and medical equipment. [more...]
+ More profiles  
CATALOGUE GALLERY
+ More catalogues  

DIRECTORY
+ More directory  
DIARY

 

21-23 Jun 2026

Spa Life International (UK)

Midlands (Venue TBA), Liphook, United Kingdom
22-22 Jun 2026

World Bathing Day

Worldwide,
+ More diary  
 


ADVERTISE . CONTACT US

Leisure Media
Tel: +44 (0)1462 431385

©Cybertrek 2026

ABOUT LEISURE MEDIA
LEISURE MEDIA MAGAZINES
LEISURE MEDIA HANDBOOKS
LEISURE MEDIA WEBSITES
LEISURE MEDIA PRODUCT SEARCH
PRINT SUBSCRIPTIONS
FREE DIGITAL SUBSCRIPTIONS