- Plane from the international Airport of Athens
https://flights.aegeanair.com/en/flights-to-kithira
https://gr.skyscanner.com/gr/en-us/eur/flights-to/kit/cheap-flights-to-kithira-airport.html
or
- Βoat from Piraeus.
Also roadly up to
- Gythion and from there by boat
and
- Neapoli Lakonia and from there again by boat.
https://tritonferries.gr/en/schedules/schedules-f-b-porfyrousa/
If you come from Crete you will find the boat in
- Kasteli of Kissamos (district of Chania).
You will find more information in the travel agencies, where you will buy your tickets.
You can see PORFYROUSA Ship Position Live on the map.
You can see AQUA JEWEL Ship Position Live on the map.