The island of Patroklos is the last of the series of capes and islands between Peiraieus and Sounion.
Surely here we have the site of the temple of the god who was prayed to on Sounion.
A voyage to Sounion forms then a necessary part of even a short sojourn in Athens and Attica.
He must stand too on the marbled steep of Sounion, no longer to shrink from the land on which he stands as a land of slaves.
We say the standing columns, because those columns of the Parthenn which have been thrown down are as white as those on Sounion.
So Pausanias tells us, though he does not explain what brought Helen to the long island off Sounion.
It looks like a square pier, such as we should expect to find inside a basilica at Lucca, but not outside a temple at Sounion.
The actual material of the columns of Sounion is something intermediate between the two.
The impulse is to gaze on the sea and the islands, the realm of Athens, the realm which her fortress on Sounion was to guard.
The name is well applied; Sounion is before all things the Cape of the Columns.