Alibaba.com offers 129 spa bathtub products. About 96% of these are bathtubs & whirlpools. A wide variety of spa bathtub options are available to you, There are 44 spa bathtub suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Italy, and Indonesia, which supply 59%, 15%, and 13% of spa bathtub respectively. Spa bathtub products are most popular in North America, Western Europe, and South America. You can ensure product safety by selecting from certified suppliers, including 16 with Other, 14 with ISO9001 certification.