Nea Makri (Greek: Νέα Μάκρη) is a town in East Attica, Greece.

Greek National Road 83 (Athens - Marathon - Rafina) passes through Nea Makri.

Popular locations near Nea Makri include Zoumberi Beach and the Brexiza Wetland.

The United States Navy operated a HF radio communications base north of Nea Makri from the mid to the late 20th century.

The American naval communications station was the deployment location for Naval Mobile Construction Battalion 133, home-ported in Gulfport, MS. Saint Ephraim the martyr was a monk who may have lived in the Monastery of the Annunciation in Nea Makri; it has become an important monastery in recent years and has become a site of pilgrimage for all Greeks.