Renton Municipal Airport (IATA: RNT, ICAO: KRNT, FAA LID: RNT) is a public use airport located in Renton, a city in King County, Washington, United States. The airport was renamed Clayton Scott Field in 2005 to celebrate the 100th birthday of Clayton Scott. The airport's northern boundary is Lake Washington and the Will Rogers - Wiley Post Memorial Seaplane Base.