Location

Agia Irini is at the northeast part of Kythnos, 

coordinates 37.438334, 24.434082. 

Merichas is the main port and all line vessels arrive their. The distance from Pleione is 13 km and travel time 24 min.

When you arrive at Merichas turn left to Chora and after 12 kms turn left to Loutra. Then turn right to Agia Irini and after   1 km you arrive to Pleione.

Have a good trip!!