Join the leading global network of spa industry professionals and obtain access to cutting-edge research, data, networking opportunities, worldwide media exposure and much more. The International SPA Association is the source for all things spa with a door to a global network of peers. Becoming an ISPA member will help you grow both personally and professionally. On average, ISPA spa members revenue is more than 2.5 times higher than nonmember spas and more than double the spa visits than nonmember spas.