One of the most valuable assets of Ikaria are the hot mineral springs that are found mainly around the spa town of Therma on the south coast of the island.
They are reputed to heal anything, from arthritis to female infertility and from gout to rheumatism. The springs have been in use since 2000 BC, and nowadays they have modern facilities that combine healing baths with Ikaria family holidays.
Although Therma is the main resort for organized hydrotherapy, there are several hotels and guest houses along the islands's coastline where hot mineral springs flow into the sea and where it is possible for visitors to bathe as well as three active spas at the Cave, Apollon and Krastas springs.
The main minerals of the springs are saline radium and radonium and are said to be the most radioactive thermal springs in Europe.