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
Korission Lagoon Korission Lagoon Korission Lagoon is a coastal lagoon located in the southern part of the Greek island of Corfu, in the Ionian Sea. It is located near the village of Agios Mattheos and is separated from the sea by Chalikouna Beach. It has a surface area of approximately 6000 acres and it drains into the sea through a channel which bisects Chalikouna Beach. The lagoon was created by the sand dunes that cut the lake's basin off from the sea between 140,000 and 250,000 years ago. Korission Lagoon and its environs are protected by the Natura 2000 treaty, the protected