Depending on the season, there is many passenger ferries leaving for various neighboring islands. The main ferry to Kalymnos leaves from Mastichari.
By taxi
By taxi
There is plenty of taxis on the island. From the airport they will charge at least â¬15, even if you just go to Mastichari, which is only 5 minutes away. An aiport-Kos Town ride may cost you around â¬35