The airport code for Karpathos Island National Airport is AOK.
The airport code for Skiathos Island National Airport is JSI.
The airport code for Skyros Island National Airport is SKU.
The airport code for Ikaria Island National Airport is JIK.
The airport code for Milos Island National Airport is MLO.
The airport code for Astypalaia Island National Airport is JTY.
The airport code for Kithira Island National Airport is KIT.
The airport code for Naxos Island National Airport is JNX.
The airport code for Chios Island National Airport is JKH.
The airport code for Syros Island National Airport is JSY.
The airport code for Marco Island Airport is MRK.
The airport code for Orcas Island Airport is ESD.
The airport code for Mackinac Island Airport is MCD.