- Kerama Airport, also known as Kerama Airport Shimojishima, is an airport located on the island of Shimojishima in Okinawa, Japan. It primarily serves as a domestic airport, connecting Shimojishima with other islands in the Kerama Islands group and mainland Okinawa. The airport is managed by the Okinawa Prefecture Government and offers flights to destinations such as Naha Airport and Tokashiki Island.