The lagoon of Marano, enclosed in the last round the coast of Lignano Sabbiadoro and the lagoon of Grado, is an area of outstanding natural beauty which is home to a unique fauna and flora and of great natural value. Protected from the open sea by a string of Islands and islets, like that of Sant'Andrea and Martignano, also known as the island of shells, is characterized by a marsh vegetation and the singularity of temporary settlements of fishermen, the typical "casoni", buildings made of canne and wood, which make the Marano lagoon, one of the most interesting places of the Adriatic.
The regional natural reserve of Foci dello Stella is in the Marano lagoon and it is reachable through the delta of the river Stella, which can go up to Precenicco and Palazzolo. When you walk into the extreme mouth you see a rare beauty: a village of fishermen's huts. Made of wood, cane and held a central hearth and they were decorated only with the necessary for survival. All huts look West: is the most sheltered from the winds of bora and tramontana.