Presence on the Caspian sea Beach The sea has a surface area of 371,000 km2 (143,200 sq mi) and a volume of 78,200 km3 (18,800 cu mi). It has a salinity of approximately 1.2% (12 g/l), about a third of the salinity of most seawater. Previous Next 1 2 3 4 5 6 7 8 2019-08-10 admin Share ! tweet