The Pomorie Lake is a natural hyper-saline lake – a sea coast lagoon, part of which has been converted to salt ponds. Also, it includes salty marshes and reed fields. Together with the Burgas wetlands, the lake forms the largest and most significant conservation complex along the southern Black Sea coastline. The area includes the estuary of the Aheloi River.The total Ramsar site area is 921,5 ha.Protected territory since 2011. In 2002 the lake is proclaimed for a wetland with international importance according to the Ramsar convention. In 1989 the territory is designated as an Important Bird Area and in 2007 it became part of the Natura 2000 network: Protected Site “Pomoriysko ezero” with code BG0000152 according to the Bird Directive and Protected site“Pomorie” with code BG0000620 according to the Habitat Directive.The following natural habitat types of significance for conservation, according to the Biodiversity Act and to the Habitats Directive have been established: 1150 Coastal lagoons; 1160 Large shallow inlets and bays; 1170 Reefs; 1310 Salicornia and other annuals colonizing mud and sand; 1530 Pannonic salt steppes and salt marshes; 2110 Embryonic shifting dunes; 2120 Pannonic dunes along the shoreline with Ammophila arenaria (white dunes); 92D0 Southern riparian galleries and thickets (Nerio-Tamaricetea and Securinegion tinctoriae).