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
Glenrock Lagoon Glenrock Lagoon Glenrock Lagoon, an intermediate freshwater small coastal creek, is located within the Lake Macquarie local government area in the Newcastle and Hunter regions of New South Wales, Australia. The lake is located near the Newcastle suburbs of Adamstown and Dudley and is situated about north of Sydney. Drawing its catchment from Flaggy Creek within the Glenrock State Recreation Area and the Awabakal Nature Reserve, the small lagoon is quite shallow with an average depth of . It is connected with the Tasman Sea through a tidal channel. Glenrock Lagoon has a catchment area of and a surface area