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
Chalai Lagoon gulls, terns and other shorebirds. Chalai Lagoon Chalai Lagoon is a lagoon in Mullaitivu District, north-east Sri Lanka. The town of Chalai is located on a sand bar between the lagoon and the Indian Ocean. The lagoon is fed by a number of small rivers. It is linked to the sea by a narrow channel near Chalai. The lagoon's water is brackish. The lagoon is surrounded by dense forest, scrubland and some rice paddies. The land is used for fishing and some salt production. The lagoon has extensive sea grass beds and mangrove swamp. The lagoon attracts a wide variety