Friendly experts at your service.
We’re here to help visitors create memorable experiences. Memories that translate to repeat visits, tax savings for residents and building one of the most powerful economic forces in South King County.
Seattle Southside Regional Tourism Authority (RTA) is the official destination marketing organization for SeaTac, Des Moines and Tukwila. The organization markets Western Washington to leisure and business travelers, as well as meeting and event planners. Seattle Southside RTA is funded by a self-assessed hotel fund and supported by a lodging tax from the cities of SeaTac, Tukwila and Des Moines.