Agia Anna Naxos
https://eduardouylm109.kinja.com/things-to-do-in-naxos-explained-in-fewer-than-140-chara-1835545686
Circumnavigating the brilliant Greek Islands by ferryboat is as near the standard backpacking treks through Europe of the 1960s and '70s as you can get. However there are some things to understand prior to you