City of Renton has two public swimming beaches at the south end of Lake Washington:
Gene Coulon Memorial Beach Park
1201 Lake Washington Blvd. N.
Renton, WA 98056
Kennydale Beach Park
3501 Lake Washington Blvd. N.
Renton, WA 98056
From June through September 2022, the swimming beaches will not be staffed with lifeguards. Adults should not swim alone; children should be accompanied by an adult at all times.
As an alternative, Henry Moses Aquatic Center has lifeguards scheduled through Labor Day, Monday, Sept. 5.
King County Lake Swimming Beaches