The Cymari homeworld was an inhabited desert planet in the Skeralyx system. It was the homeworld of an advanced non-corporeal species, dubbed the Cymari by Rok-Tahk, who utilized cymatic transmutation to create structures from the sand on the planet's surface.
At the urging of DaiMon Nandi, in 2383 the crew of the USS Protostar visited the Cymari homeworld to engage in a "diplomatic exchange". However, Nandi's only interest was in acquiring a remalite crystal from the natives by whatever means. (PRO: "First Con-tact")