the Kassandra Festival
is held during summer (july & august) in Siviri's amphitheatre.
The Sani festival
is not far from Hanioti
, but you will need transport to go there (bus or car). It is held at the Sani Resort.
The Porto Carras Festival
is held at the Porto Carras resort and that is at Neos Marmaras
. It's not close to Hanioti but if you want to go, i suggest to rent a car. Apart from visiting the festival you can visit Neos Marmaras as well and enjoy the beautiful beach over there!