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
Rodeo Lagoon the lagoon's size as the area upstream of the crossing gradually turned into a freshwater marsh. The lagoon is now about 80% of its original size. Recreation is not allowed on or in Rodeo Lagoon because of water quality and wildlife concerns. However, the lagoon and surrounding area is an excellent place for wildlife viewing, particularly birding and watching the playful river otters. Rodeo Lagoon Rodeo Lagoon is a coastal lagoon located in the Marin Headlands division of the Golden Gate National Recreation Area, which is in southern Marin County, California. This brackish water body is separated from the Pacific