Barrier island that hosts the Venice Film Festival

As a detective tasked with cracking the case of the crossword clue ‘Barrier island that hosts the Venice Film Festival‘, I first turned to my knowledge of geography and cinema. I knew that Venice, Italy, was home to the famous Venice Film Festival, and that the city was composed of a series of islands. With this in mind, I began to research the various islands in the Venetian archipelago. Among the islands, the one that stood out the most as a candidate for the answer was Lido. My intuition was confirmed when I discovered that Lido di Venezia, commonly known simply as Lido, is a long, thin island that acts as a natural barrier between the Adriatic Sea and the Venetian Lagoon. With its long, sandy beaches and luxurious hotels, Lido is known for hosting the Venice Film Festival every year. Through my thorough research, I successfully solved the mystery and discovered that the answer to the crossword clue is indeed Lido.