The nearest airport is KLX - Kalamata, located 145.2 km south west of Marathón.
Other airports nearby include JSI - Skiathos Alexandros Papadiamantis (162.2 km north), KIT - Kithira (164.6 km south), SKU - Skiros (165.8 km north east), JMK - Mykonos Mikonos (170.6 km east),