We spent many exciting evenings rescuing charter yachts as they dragged across Panormitis bay while their charterers, happily oblivious, dined at the taverna.
The general rule is that when the first one starts to drag, it picks up all the others as it goes... an armada of unmanned boats
Then, having got the mess sorted out, in the middle of the night we would be awakened by plaintive souls rowing round in circles waving flashlights, looking for boats which were no longer where they had left them.