Il Mare is a romance involving time travel, presented in a way that’s visually appealing and manages to combine heartfelt moments with an inventive story design, effectively linking two individuals separated by years through an unusual mailbox. The film explains its rules about how time works quite well—particularly when illustrating the consequences of actions across different points in time—though it does raise some questions that aren't resolved, mainly concerning where characters end up as a result of changes to what happened before. Appealing imagery, appropriate music choices, and genuine acting all contribute to the film’s sad atmosphere, resulting in an experience that will stick with viewers who enjoy understated romantic stories.

Source on TMDB