Fort Royal de l'Île Sainte-Marguerite is a compelling historical site located a 20-minute ferry ride from Cannes. The fortress is most renowned for its state prison, which once held the mysterious Man in the Iron Mask, whose cell remains a primary attraction within the Museum of the Sea. Visitors can explore Roman archaeological finds, learn about the history of the Huguenots, and wander through the expansive, quiet grounds of the fort. While the exterior of the fort is free to explore, the museum requires a small entry fee to access the historic cells and exhibits. With bilingual signage in French and English, it provides an accessible and educational retreat surrounded by the natural beauty of the island.
The legendary cell of the Man in the Iron Mask.
Museum of the Sea featuring Roman shipwrecks and relics.
Bilingual information displays in French and English.
Expansive grounds and nature trails with coastal views.
Short 20-minute ferry ride from Cannes.
Fort Royal de l'Île Sainte-Marguerite is highly regarded as a peaceful and educational day trip from Cannes. Reviewers frequently highlight the cell of the Man in the Iron Mask as a must-see feature, alongside the interesting history of the Huguenots. The island itself is described as a quiet, secluded escape with beautiful nature that contrasts with the busy mainland. Many visitors appreciate that the museum information is provided in both French and English, which is noted as a helpful rarity. While the fort grounds are free to roam, most agree that the small fee for the museum is worth it to see the historic prison cells. Some visitors advise checking the website for potential closures to avoid disappointment after the ferry ride.