The project involved the construction of wharfs with defensive walls to connect Fortezza Vecchia (Old Fortress) with the Fanale dei Pisani (Light of the Pisans).

At the end of the 19th century the Diga Rettilinea was connected to the land and a new dock, called Darsena del Mandraccio was built near Fortezza Vecchia.

It was planned by Coen Cagli regarding an enlargement of the port to the north of Bacino Santo Stefano inside the coastline with a series of canals and docks near the industrial facilities.

The last Grand Duke of Tuscany Leopold II ordered in 1852 the construction of the Diga Curvilinea (Curvilinear), called Molo Novo from the inhabitants, which delimits to the west the Avamporto.

It is a massive construction, built on project by Victor Poirel, formed by a substructure made of artificial rocks while the upper part is surmounted by a wall that protects the Avamporto.

Livorno lighthouse, called Fanale dei Pisani, for the reason that was built by Pisans in 1303 on project attributed to Giovanni Pisano and by the master builders Rocco Entello De Spina and Bonaggiunta Ciabatti whose names were found engraved on a stone.

[19]Ferdinando I de' Medici, Grand Duke of Tuscany order the construction of warehouses in the basement in 1584 which were transformed in the Lazzaretto di San Rocco and a shipbuilding.

The Fanale was rebuilt in June 1954 according to the original project with material recovered from the ruins and from the cave; it is made by reinforced concrete 30 centimetres thick covered externally by stone.

The lighthouse, operated by Marina Militare with the identification number 1911 E.F, is active and fully automated, has a solar power unit and an alternating white and red flashes in a three seconds period visible up to 10 nautical miles.

The historical lighthouse is no longer active after the construction of the Diga della Meloria; it was replaced by a starboard left side light painted in red and green horizontal bands operated by Marina Militare with the identification number 1941 E.F.

The light is positioned at the base of the historical lighthouse, is fully automated, has a solar power unit and an alternating green and red single flashing in a three seconds period visible up to 5 nautical miles.

[20][22] The first Diga del Marzocco lighthouse was built in 1917, the current sector light is a compact metal structure similar to a classic bottle painted in red placed on a concrete basement.

The light is operated by Marina Militare with the identification number 1906 E.F., it is fully automated, has a solar power unit and three alternating red single flashing in a 10 seconds period with a focal plan at 13 metres above sea level.

[23] The first Diga della Vegliaia lighthouse was built in 1895, the current sector light is a cylindrical green metal tower 13 metres high.

The light is operated by Marina Militare with the identification number 1916 E.F., it is fully automated, has a solar power unit and a green single flashing in a 3 seconds period visible up to 12 nautical miles.

The light is a compact metal structure similar to a classic bottle painted in red operated by Marina Militare with the identification number 1946 E.F.; it is fully automated, has a solar power unit and two alternating red single flashing in a 6 seconds period with a focal plan at 8 metres above sea level visible up to 6 nautical miles.

The light is a compact metal structure similar to a classic bottle painted in green operated by Marina Militare with the identification number 1951 E.F.; it is fully automated, has a solar power unit and two alternating green single flashing in a 6 seconds period with a focal plan at 6 metres above sea level visible up to 6 nautical miles.