Amazon.com, Walmart and The Waterbed Doctor are among retailers who sell waterbed supplies, as of 2015. The available inventory and prices vary from one retailer to the next.
Walmart also sells cleaning and maintenance supplies for waterbeds, including waterbed repair kits, comforters and sheets. Hard-side and soft-side waterbed replacement parts are available from Amazon.com. Waterbed vinyl care products and all-purpose water conditioners are also available from this retailer, as are supplies for waterbed frames and headboards. Select products on Amazon.com are available in both new and used conditions. It is also possible to buy supplies and replacement pieces for air mattresses.