Vistula Lagoon is a reservoir the internal sea waters, cut off from the waters of the Gulf of Gdansk Vistula Spit, is the second largest lagoon-type reservoir in the southern Baltic Sea. The total length of the tank is 50 Mm, the largest of its width is 6 Mm. The total area of 838 km2. The waters of the Vistula Lagoon extends across the border Polish - Russian. Polish part is called the Vistula Lagoon, part of the Russian Kalingradzki Lagoon. Polish part of the Vistula Lagoon has an area of 328 Km2, which is approx. 40% of the total surface of the tank, the length of the Polish 19.5 Mm, the largest width of 4.8 Mm on the line Suchacz - Przebrno, the minimum width of 3.7 Mm on the line Krynica Morska - Tolkmicko.

All the Polish part of the Vistula Lagoon, due to high natural values ​​have been acquired Natura 2000 area.

The northern part of the Vistula Lagoon is cut off from the waters of the Gulf of Gdansk Vistula Spit, in the Russian part of the lagoon waters of the Baltic Sea are connected by a narrow channel called Pilava Strait. Vistula Spit is a strip of fine, sandy coastal beaches, clear water, forests, parks and historical monuments cultural, powerful tourist facilities, numerous hotels, guesthouses, bars, restaurants, fish fry. Particularly noteworthy tourist towns have marinas, such as Katy Rybackie, Krynica Morska and Piaski.

South of Mierzeji Vistula, are the Żulawy Wiślane, is a specific flat area, whose average height is 0 meters above sea level. Żuławy is a beautiful scenery, historic hydraulic equipment including bridges, water gate, canals, fantastic architecture, in this area we can admire the water birds nature reserve located on the lake Drużno and Bay of Elblag. 

One of the places to visit is the city of Elblag, with numerous marinas, with renewed old town. Thus begins Elblag Canal waterway with antique sluice and ramps, also passes through here waterway Zuławy Loop.

To the east of ŻuławWiślanych, to the south coast of the Vistula Lagoon Nature Park adjacent area "Wysoczyzna Elbląska"- is primarily a great variety of forms of terrain, gorges, ravines, picturesque streams, lakes, water ponds and wetlands.

Further to the east of Wysoczyzna Elbląskia is plain of Warmińska with two interesting towns worth visiting - Frombork and Braniewo. Frombork is a city with many historical monuments such as the cathedral complex on a hill composed of the cathedral and the fortifications of the cathedral, Cathedral Basilica of the Assumption and St. Andrew, Nicolaus Copernicus Museum and many others. In the city of Frombork functioning seaport and maritime border crossing. To Braniewo you can arrive the river Pasłęka, on site operates a modern marina. The most interesting sights worth seeing is the Basilica of St.Catherine and the Shrine of St. Cross.

Vistula Lagoon is a place worth visiting, it must be remembered that the waters of the Vistula Lagoon are internal sea waters, navigate through them requires that you have the necessary powers, for sailing privileges are required Yacht Skipper, in the case of motor yachts privileges are required at least Helmsman Motorboat.