How Deep Is The Lagoon In Venice

The Venice Lagoon Shallow, Vast, and Alive The Venetian Lagoon covers about 550 km (212 mi) the largest in the Mediterranean yet its average depth is just 1.2 meters (4 feet). The Venetian Lagoon stretches from the River Sile in the north to the Brenta in the south, with a surface area of around 550 square kilometres (212 square miles). It is around 8% land, including Venice itself and many smaller islands.

Outside of the historical city, but still within the lagoon, its much deeper. The Canale della Giudecca, between San Marco and Giudecca, has a maximum depth of almost 15 meters (49 feet), and between S;t Elena and Isola della Certosa on the eastern side its more than 20 meters (66 feet) deep. Some parts are as shallow as three feet, while others go down to 30 to 60 feet.

The deepest spot in the Venetian Lagoon is 164 feet below sea level. The canals mix salt and fresh water, making a special brackish environment. Swimming is not allowed, with big fines for those who try.

Depth in Venice varies from canal to canal, but a typical neighbourhood canal is around 1.5 to 2 metres deep. These numbers can shift slightly throughout the day because Venice sits inside a tidal lagoon. The patches of land in Venice's lagoon (117 islands in all) are also sinking, with northern sections of the lagoon dropping at a rate of 2 to 3 mm (0.08 to 0.12 inches) per year, and the southern lagoon subsiding at 3 to 4 mm (0.12 to 0.16 inches) per year.

Is the water in Venice deep? The canals aren't very deep often only 10 or 15ft deep. Over the centuries, the canals were reinforced with bricks and other materials by the lagoon's inhabitants. So, while the canals were once natural, they have been changed significantly over the years.

Due to the marine deposits, melting of ice, and multiple tectonic movements of the plate, various segments were deposited on the banks of the Venetian lagoon. The depth of the Venetian lagoon is only 2 m above the water level. Thus, most of the land of Venice city is categorized as marshy land.

The maximum depth found in the Venetian Lagoon is 164 feet below sea level. Bathymetry of the main channel to the seaport of Venice (eastern part). Source and Credit: Ismar-Cnr/Google Earth.

Beyond the main islands, especially along important routes like the Giudecca Canal or lagoon shipping channels, some trenches reach 10 to 17 meters (3356 feet) for the biggest boats. But in fact, most of the Venetian Lagoon itself is surprisingly shallow, with a mean depth of just about 1.2 meters (4 feet).