Lake Siutghiol

Siutghiol () is a lagoon on the shores of the Black Sea, in Constanța County, Northern Dobruja, Romania. It has a length of and a width of ; it extends over and has a maximum depth of .
Ovidiu Island is a small island on the west side of the lake, from the town of Ovidiu. On the east side of the lake is the resort town of Mamaia, which lies on a strip of land in length and only in width, between the Black Sea and Lake Siutghiol.
Etymology.
The name of the lake comes from the Turkish "Sütgöl", meaning "the milk lake".