Shimojishima Airport is located on the island of Shimojishima in Miyakojima, Okinawa Prefecture, Japan. It has the longest runway of any island in Japan south of the main island of Okinawa. Mitsubishi Estate has built a passenger terminal which began operating commercial flights in March 2019. While Mitsubishi Estate owns the terminal, it outsources its operation to its subsidiary, Shimojishima Airport Management jointly founded together with Kokuba-Gumi and Sojitz.