A good 25 minutes walk from the road, the sandy beach of Mandraki offers a sense of peace and privacy. Sometimes called Xerxes's harbor, this is where the notorious Persian king stopped on his way to ultimate defeat at the battles of Artemisium and Salamis. The reefs opposite are the site of a monument Xerxes allegedly erected as a warning to ships, the first such marker known in history.
- Address: 5 km [3 mi] northwest of Troullos bay, 12 km [7½ mi] west of Skiathos town, Troullos, Skiathos, 37002
- Location: Troullos