Karachaus Lagoon

Karachaus Lagoon (, ) is a salty lagoon in the Tuzly Lagoons group in Tatarbunary Raion of Odessa Oblast, Ukraine. It was a part of the Alibey Lagoon in past, locating in its south-west part, near the Village of Roylianka. Now it is separated from the Alibey Lagoon by the sandbar. The total area of the lagoon - 7.6 km². 
The water body is included to the Tuzly Lagoons National Nature Park.