Located in Port-à-Piment, the Marie-Jeanne caves are an attraction not to be missed. It’s the perfect excursion to fill a day trip from tourist centers such as Les Cayes and Port-Salut. Running 2.5 miles, the Marie-Jeanne Caves are the longest known networks of caves in Haiti; they are believed to be the longest in all of the Caribbean. It harbors over 30 chambers to be explored with the help of a guide.Limestone and Silica walls within the cave are adorned with hieroglyphic symbols and markings, dating back to pre-Columbian days. If you plan on visiting the Marie-Jeanne cave system in Port-à-Piment don’t forget to bring essential items such as a flashlight with extra batteries to spare and plenty of water. Never venture into caves without a guide.