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Ikaria Therma Aegean

Therma, Ikaria, Aegean, Greece
Ikaria Therma Aegean
Location
Therma, Ikaria, Aegean, Greece
Water type
sulfurous
Temperature
39 °C
pH
6.5

Water profile

Thermicity
Sedative
39 °C
LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation
Bio-active
LowHigh

Rich in active gases or metals — a strong mineral character.

Buoyancy
Standard buoyancy
LowHigh

Soft water — natural, classic buoyancy.

SoufreSulfuresSulfates

Ikaria Therma is located on Ikaria island in the eastern Aegean Sea, one of the world's celebrated 'Blue Zones' — regions where extraordinary human longevity has attracted international scientific attention — where bicarbonate and mildly radioactive thermal mineral springs have been used since ancient times and are deeply embedded in the Greek and European spa tradition. The bicarbonate-rich, mildly radioactive mineral composition of Ikaria's springs has long been sought by bathers alongside the island's Mediterranean diet and relaxed social culture, in a setting tied to the remarkable longevity statistics documented among the Ikarian population. Bathing in Ikaria's thermal waters — some of which flow directly into rock pools on the sea shore, creating natural baths where warm mineral water meets the cool Aegean — is an experience embedded in both the island's geological identity and its reputation as a place where time and stress lose their grip on the human body.

Insider tip — Therma on Ikaria island is one of the most radioactive and mineralically concentrated natural hot springs in Europe, used since antiquity and visited by locals and travellers alike for its exceptionally rich waters. The water seeps directly from fractured granite into a concrete channel and open sea pool, entirely unmediated by commercial infrastructure. Ikaria is globally renowned as a Blue Zone longevity island, and locals readily cite their thermal bathing culture as one element of their celebrated way of life. Bathing is free and open to all, but the high mineral concentration means sessions are best kept under 20 minutes per day.
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Frequently asked questions

How hot is the water?
The water runs quite hot here, around 39 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features sulfurous water.
What is the best season to visit?
The most favourable period for this spot is: Octobre-avril.