Key points
- Spa Group Public Company Limited (ONSENS) is preparing to introduce a new chapter in Bangkok’s wellness hospitality market with the opening of its 79-key Social Wellness Hotel in Thonglor Soi 17, scheduled for the second quarter of 2027.
- Developed on a two-rai site, the project represents an investment of more than THB400 million through a joint venture between ONSENS (45%) and PCLB Asset Co.
- The Thonglor project is expected to strengthen the company’s position within Thailand’s expanding wellness hospitality sector while delivering a distinctive urban retreat in one of the capital’s premier neighborhoods.
Thailand Hotel News: ONSENS Advances Bangkok Wellness Vision with Landmark Social Wellness Hotel in Thonglor
Onsen Retreat & Spa Group Public Company Limited (ONSENS) is preparing to introduce a new chapter in Bangkok’s wellness hospitality market with the opening of its 79-key Social Wellness Hotel in Thonglor Soi 17, scheduled for the second quarter of 2027. Developed on a two-rai site, the project represents an investment of more than THB400 million through a joint venture between ONSENS (45%) and PCLB Asset Co., Ltd. (55%). Designed as the company’s flagship wellness destination, the property will combine hotel accommodation with premium onsen, spa and lifestyle facilities.
Image Credit: Onsen Retreat & Spa Group Public Company Limited
Positioned in one of Bangkok’s most desirable lifestyle districts, the development reflects the growing demand for health-focused travel experiences. This Thailand Hotel News report highlights how the project will integrate Japanese-inspired Yunomori Onsen & Spa facilities with restaurants, a fitness center, swimming pool and curated commercial spaces, creating a comprehensive wellness destination for both Thai and international travelers.
Image Credit: Onsen Retreat & Spa Group Public Company Limited
Building on a Strong Wellness Brand
The new hotel builds on ONSENS’ expanding wellness portfolio, which includes Yunomori Onsen & Spa locations in Sukhumvit, Sathorn and Pattaya, as well as a Singapore outlet. The company has also broadened its lifestyle offerings through Klai Spa, Happy Rice Japanese restaurants and wellness-inspired retail products. Recent enhancements, including mixed-gender onsen experiences and new movement and recovery concepts, demonstrate ONSENS’ commitment to evolving alongside changing consumer preferences.
Image Credit: Onsen Retreat & Spa Group Public Company Limited
Chief Executive Officer Smith Mekarunkamol has identified wellness tourism as a long-term growth driver, supported by rising interest from younger travelers and international visitors seeking restorative experiences. The Thonglor project is expected to strengthen the company’s position within Thailand’s expanding wellness hospitality sector while delivering a distinctive urban retreat in one of the capital’s premier neighborhoods.
Image Credit: Onsen Retreat & Spa Group Public Company Limited
Looking Ahead
Construction is progressing toward its targeted 2027 opening, with the development expected to become a flagship destination that blends hospitality, wellness and lifestyle under one roof. By combining authentic Japanese onsen traditions with contemporary hotel comforts, ONSENS is aiming to establish a new benchmark for social wellness experiences in Bangkok. As Thailand’s wellness tourism sector continues to expand, the project is well positioned to attract travelers seeking meaningful relaxation while reinforcing Bangkok’s reputation as one of Asia’s leading wellness destinations.
For more on the project, visit Onsen Retreat & Spa Group Public Company Limited website at:https://www.onsengroup.co.th/
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