The harbor of Hydra is always very crowded in high season and is best avoided at that time. Early spring is the best time to visit, when it is usually possible to moor either on the south quay or the inside of the north breakwater (where, however, it shallows as you go further in). In peak season, it is not unusual for boats to be moored three deep on the quay.

Crossed anchors is the least of the problems here. A bad swell develops with strong N-NW winds. It is better to anchor in near-by Mandraki or Vikhos.