In the N part of the head of the bay Mesa Limani a marina has been built. Its entrance is open W, has a width of about 80 m and depths along its entrance axis of about 4 m. It is enclosed by two moles. The E one extends SW for about 125 m, the W one extends E for 160 m.
The inner coasts of the marina are quayed, with depths of 1–2.7 m near them. In its N part there are two jetties extending S for about 70 m, with depths of about 3.5 m near them, in the middle of its E coasts there is a slipway.
The largest cluster of islands in the Corinthian desert islands along with Agios Ioannis and Planemi. The dominant version wants to got their name from combination of words three islands, but we prefer the more romantic explanation, that the tiny islands of Phocis, opposite from Aigion, baptized so many of the crickets and melodious song summer nights.