The Soundside is adjacent to the City of Seattle and centrally located in the Puget Sound Region of Washington State.

soundside alliance is centrally located in the puget sound region of washington state just south and adjacent to Seattle

City Information


The City of Burien has a total land area of 4,758 acres. A 100-year old community, Burien incorporated in March, 1993.

Des Moines

The City of Des Moines has a total land area of 4,198 acres. Situated along the shoreline of Puget Sound, Des Moines was incorporated in 1959.

Normandy Park

The City of Normandy Park has a total land area of 1,634 acres. The city is located on the shores of the Puget Sound and was incorporated in 1953.


The City of SeaTac has a total land area of 6,574 acres. SeaTac was incorporated in 1990 and is the location of Seattle-Tacoma International Airport.


The City of Tukwila has a total land area of 5,783 acres. Incorporated in 1908, Tukwila is a major retail and manufacturing center.