History of the Peloponnesian War

The blockade was very laborious for the Athenians from want of food and water; there was no spring except one in the citadel of Pylos itself, and that not a large one, and most of them were obliged to grub up the shingle on the sea beach and drink such water as they could find.

They also suffered from want of room, being encamped in a narrow space; and as there was no anchorage for the ships, some took their meals on shore in their turn, while the others were anchored out at sea.