Karlovasi is in the northwestern part of the island, which is built above on an homonymous plain. It is the second largest city of the island and the commercial center of western Samos which has a major port serving the western part of the island.
is of the most famous beaches of Samos. The beach protected by the bay that surrounds, is almost always calm sea waters, where it comes from and the name (as a lake). From the seabed gush out freshwater (coming from the mountain Kerkis), which make the sea crystal clear but and colder.