- South Park is a neighborhood in Seattle, Washington. It is located just south of Georgetown across the Duwamish River, and just north of the city of Tukwila. Its main thoroughfares are West Marginal Way S. (northwest- and southeast-bound), S. Cloverdale Street (east- and westbound) and 14th Ave. S (north-and-south). South Park connects to Georgetown by two bridges at 1st Ave S. at the northmost end of the neighborhood, and the South Park Bridge at the north end of 14th Ave. South.