Fit Gun Gym, Kathu is small fitness studio with a community feel. It has all the basic equipment needed for strength training, cardio fitness, and also has an outside garden area which is used for CrossFit training. There are various pricing plans and options ranging from daily passes to yearly membership. Personal trainer packages and Yoga classes are also available. Fit Gun Gym is located about 1. 5km down Soi Kathu Waterfall, just before Phairin Restaurant. Follow the sign for Kathu Waterfall from Pra Phuket Keaw Road.