Remains of the lower part of a medieval tower in the settlement Agios Panteleimon of Marathon, 600 m from the Soros, on a plot fenced and locked by the Greek Archaeological Service.

This is the No.19 tower in the Langdon list of the Mortared Towers (=medieval towers) of Attica.

This rectangle of finely worked marble blocks has long attracted attention and led to the hypothesis that a tower stood there in the antiquity, perhaps as part of a larger construction.

Excavations have shown that this was only partially correct. The structure is indeed a tower , but the ancient marble blocks had been taken from somewhere else and reset in mortar in medieval times.

The single preserved course consists entirely of ancient blocks with vertically stippled outer faces.

It measures 6.63✖4.57 m. The ancient blocks vary in thickness but rubble and mortar are used to expand all four walls to a uniform width of 84 cm.

We cannot know precisely the time of its construction. It could be Frankish or perhaps Byzantine like the tower of the Trophy of Marathon which is near (2800m) and very similar in construction and state of preservation.

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