Diros Caves — by boat through an underground lake

One of the most famous natural sites in the Peloponnese, the Diros Caves are known for their underground lakes, stalactites, and stalagmites that have been forming for thousands of years. Most of the tour takes place by boat through a network of submerged chambers and narrow passages, offering a unique glimpse into the underground world of the Mani region. The excursion is one of the most popular activities in the area around Gytheio and is suitable for visitors of all ages.