Vistula Lagoon Vistula Lagoon The Vistula Lagoon (; or "Kaliningradskiy Zaliv"; ; ) is a brackish water lagoon on the Baltic Sea roughly 56 miles (90 km) long, 6 to 15 miles (10 to 19 km) wide, and up to 17 feet (5 m) deep, separated from Gdańsk Bay by the Vistula Spit. It is now known as the Vistula Bay or Vistula Gulf. The modern German name, "Frisches Haff", is derived from an earlier form, "Friesisches Haff". The lagoon is a mouth of a few branches of the Vistula River, notably the Nogat, and the Pregolya River. It is connected to
Rekawa Lagoon Kirama-oya river (Tangalu-oya river) that enters the lagoon at the sea ward end of the inlet canal is the main freshwater supply. Apart from the main freshwater inflow, there are two small freshwater streams function only in rainy season and provide surface runoff from the catchment. The total hydro-catchment of the lagoon outlet is about . Shrimp fishery is one of the main livelihoods among the lagoonal community. However this supports the people only during the shrimp fishery season which extends from October to April. The most abundant shrimp species in Rekawa lagoon and commercially most important shrimp species is