Urban spa · 🇹🇭 Bangkok, Thailand

Let's Relax Onsen & Spa Thonglor

Japanese-style onsen in Thonglor with sauna, steam room and 12°C cool-down bath; free tuk-tuk from BTS.

Good to know

• There's a restaurant on site, so you can make an afternoon or evening of it.
• Towels can be rented on site if you travel light.
• Sauna sections are single-sex and nude bathing is the norm.

Location

5/F Grande Centre Point Sukhumvit 55, 300 Sukhumvit Soi 55, Bangkok

Details compiled from the sources below on 2026-10-01. Prices and hours change – please confirm on the official website before visiting. Sources: bkmagazine.com.