The Lérins Islands are a group of four islands located just off the coast of Cannes. The two main islands, Île Sainte-Marguerite and Île Saint-Honorat, are open to visitors. Île Sainte-Marguerite is known for its natural beauty, hiking trails, and the famous Fort Royal. Île Saint-Honorat is home to a monastery where monks produce wine and liqueurs. Visitors can explore the islands, enjoy the pristine beaches, and learn about their rich history and cultural heritage.