If you are planning a holiday in September at Hotel Relax Torreruja in Isola Rossa, don’t miss the chance to visit Castelsardo, a charming medieval village overlooking the Gulf of Asinara. With its narrow streets, ancient traditions, and spectacular views, Castelsardo is one of the most captivating places on the island. It’s a perfect blend of history, culture, and natural beauty that will captivate you at first sight.