Looking for a relaxing getaway in Johor Bahru? Visit Billion Onsen Spa near KSL City Mall and enjoy a Japanese-inspired wellness experience with four onsen pools, sauna, massage chairs, dining facilities and a movie lounge. Enjoy up to 12 hours of access for RM195 and take advantage of the special 10% OFF all services promotion from 1 November to 17 December 2026. Open 24 hours daily!