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
Marano Lagoon Marano Lagoon Marano Lagoon is a huge lagoon in northeastern Italy. It has a surface area of around 160 square kilometres (62 sq mi). Marano Lagoon stretches from Lignano Sabbiadoro to the east for nearly 90 km. It is considered the twin of the Venice Lagoon, that is located a few km to the west. Sometimes it is called "Marano-Grado lagoon", but geographically it is divided in two sections: lagoon of Marano and lagoon of Grado. The section usually called "Grado Lagoon" is an Italian lagoon located in the northern Adriatic sea, which extends from the "Fossalon" island (near Grado)