History of the Peloponnesian War

Thucydides

Thucydides, Vol. 1-4. Smith, Charles Foster, translator. London and Cambridge, MA: Heinemann and Harvard University Press, 1919-1923.

And the ships as they sailed past ravaged the coast of Laconia.

Afterwards Asopius sent most of the ships back home, but had twelve with him when he reached Naupactus. Then later, having called out all the forces of the Acarnanians, he made an expedition against Oeniadae, sailing with the ships up the Achelous, while his army on land ravaged the country.