Waterford Martial Arts Click the logo above to enter the site Waterford Martial Arts was founded by John McGrath in Waterford City, Ireland, to provide a safe and comfortable environment in which students can learn the Martial arts of self defence, get fit, gain confidence and lose weight. All age groups and all skill levels are catered for, with the confidence-boosting kickboxing Zone especially for kids, as well as Karate, Cardio-vascular workouts, and Yoga, for those looking for something a little more relaxed.