Kythnos is one of the lesser-known islands of the Cyclades. The island is mostly visited by Greek tourists, because of its proximity to Athens the island Kythnos is also an popular weekend destination for Greeks.
Kythnos has a strong rugged coast, which has some very nice mostly small bays. Ideally you explore these bays by motorcycle or car. If you own a boat, you should not miss out to encircle the island of Kythnos, there are many nice anchorages in the bays.
Because of its hot springs Kythnos also bears the name Thermiá, in many places hot water comes up from the earth. The sources are ideal for rheumatism and skin diseases.