Kokovios
next to the National Bank, nearby the Plateia
Offers very good food at reasonable prices in a traditional and very clean facility.
Yard
Άλσος Ιλίου
directly at the bus stop from Athens, between the main square and the port
A rather modern style and very clean place that offers traditional Greek dishes as well as a variety of international plates, prepared and offered in a nice style with decent prices.
There are several places from fast food to good standards all around the main square Plateia Heroon.
The port of Lavrio is changing fast, opening tavernas and cafes.