Thalassotherapy is a family of body treatments which are designed to utilize substances which are acquired from the ocean, such as seawater, marine mud, and seaweed. Many spas offer several thalassotherapy treatments, and in some regions spas dedicate themselves to offering just thalassotherapy, with an array of treatment options for clients to choose from. Numerous claims are made about the benefits of thalassotherapy treatments; the actual benefits vary, depending on the treatment and the persona administering it.