Note
• Bangkok's most Japanese-style onsen, featuring a steam room with dim lighting
• Offers hot, warm, and cold pools, saunas, a mindfulness room, massage chairs, and a restaurant
• Cleaner and more premium experience than a classic sauna
• Entry is 580-600 baht; after 9 PM includes a full buffet
• Men's onsen and spa in Surawong-Silom
• 600 baht for entry, includes shirt, wristband, and meal
• Features onsen, private rooms, salt room, and massage chairs