9 Spa / a21 studio

  • 26 Jun 2013
  • Featured Leisure Selected Works
© Hiroyuki Oki

Architects: a21 studio
Location: Nha Trang,
Area: 450 sqm
Year: 2013
Photographs: Hiroyuki Oki, Nam Phan, Courtesy of a21 studio

© Hiroyuki Oki

9 spa is a set of nine hotel houses with spas, mud and mineral baths together with a small bar and restaurant. The buildings are perched in the folds of halfway terrace up to a rock hill, which makes the hotels hideaway from the eventful area downhill.

© Hiroyuki Oki

Using indigenous building techniques and materials, and adopting local custom to managing the project, 90 village masons, carpenters and craft persons were enlisted to build the hotels in a period of 9 months. The project was designed as a combination of dry-stacked stone with wood structure and coconut leaves, quarried right on the site.

© Nam Phan

The houses are set up in different specific angles and placed separately by a distance, considered as an entrance lobby for each house, to not only let rain water run down easily from top of the mountain but also allow ventilation to the below area. Moreover, the roof structure is constructed in a traditional way by mortise and tenon joint techniques. Above this wooden structure, the roof is a combination of 3 layers, 20 mm thick wood panels, which gives an aesthetic look to ceiling and links all beams together, water proof membrane and 30 mm coconut leaves, respectively. Besides, the project also makes use of old furniture from nearby buildings such as doors, tables and chairs or patterned tiles, giving the buildings a distinctive look, the beauty or serenity of old items that comes with age.

© Hiroyuki Oki

The bar, with less than a dozen seats, is above from the ground, thereby linking the outside space to the interior and offering a new viewpoint to the customers, while not touching to existing nature. In other words, by any means necessary, nature is treated as the core value, that its beauty can be contemplated at every corner of the project.

© Nam Phan

In conclusion, nine hotel houses are linked by a continuous wooden roof, reflecting its surround environment and landscape. By using local materials as rock and wood together with adopting old furniture, 9 spa gives an extraordinary value to the existing project.


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* Location to be used only as a reference. It could indicate city/country but not exact address.
Cite: "9 Spa / a21 studio" 26 Jun 2013. ArchDaily. Accessed 26 May 2015. <http://www.archdaily.com/?p=391721>
  • Croco Dile

    This is very nice ! People will love it !

  • godryk

    Nice project. I wanted to comment on the presentation, the model and tje drawings are gorgeous, so simple and yet so human. It’s a breath of freash air in these times.

  • Miguel Peixinho

    Fantástico, isto sim é ARQUITECTURA

  • Witkowski Boguslaw

    It is absolutely marvelous. Congratulations!

  • Lee

    Excellence !

  • ROS


  • Hong My

    Fantastic! I visited I resort already and can’t wait to see this project

  • parna

    I am from bali , indonesiia would you like give me bit more about a21 studio , like company profile and contac person, i am interisting . Thank you

  • SiêuNoob

    As always, very nice design and finishing from a21. However, I am not sure if all the sharp angles and details are suitable for a spa. People may not feel relaxed with these sharp details. Just my two cents.