Vlyxada is one of the most beautiful lake caves. The level of the cave is almost at the same sea level and covers an area of 33,400 sqm. It was said that the cave have existed since 1900 and was explored for the first time in 1949 by Ioannis Petrohelos. They have found inside paths of 5000 meters and investigations unleashed fossils of animals that have existed two million years ago. The interior temperature ranges from 16-20 degrees Celsius.