explore the meganisi papanikolis sea cave in lefkada island greece, near nydri on a boat cruise, blue sky and waves

fiskardo kefalonia vacation waves greece mediterranean island ionian travel summer greek nature cruise authentic coastal stair harbor landscape beach blue bay destination voyage port turquoise sky view coast touristic cave cliff formation seacoast clear rock submarine target scenery stone limestone geology seascape scene scenic coastline environment concept meganisi papanikolis lefkada