Sail out to this amazing petite prison-fortress constructed in 1522 on a small islet in the Bay of Morlaix and refashioned by Vauban two centuries later. Most departures are from Kelenn beach in Carantec (15km northwest of Morlaix), while a few leave from the port of Diben in Plougasnou (17km north of Morlaix). Check online for schedules as timings depend on the tides.
A joint ticket with the Cairn du Barnenez gets you a reduced fee for both sights.
