Sky Harbor Airport & Seaplane Base or Sky Harbor Airport (ICAO: KDYT, FAA LID: DYT) is a public airport in Duluth, Minnesota, United States. It is located near the Wisconsin border, between Superior Bay and Lake Superior. The airport is six nautical miles (11 km) southeast of the central business district of Duluth, Minnesota, on Minnesota Point within its city limits. The airport is owned by the Duluth Airport Authority and has been operating for over 50 years. It is one of only four airports in Minnesota offering both a hard surface runway for airplanes and water landing areas for seaplanes.