Stating that this spa is better than that spa is often difficult to substantiate. One’s love for a particular spa is very personal based on their experience. However, when it comes to declaring that spas – based on their services – are superior, we feel that our list of hydrotherapy spas names some of the world’s best. Our choices are based not only on the spas’ atmosphere but also its range of services. And yes we take into account just how they measure up as a hydrotherapy spa. We encourage you to experience all of the spas on our list as they really are the world’s best hydrotherapy spas.