The 17th-century church of Ayia Irini near the port's mouth.
Homer's grave at Plakoto.Ruins of an ancient aqueduct at Plakoto.
The church of Ai Georgis at Yialos.
Panayia Gremiotissa in Hora; the church is a fine example of Byzantine architecture and is dedicated to the Dormition of the Virgin.
Panayia Katholiki.
The church of Evangelismos (Assumption), the island's cathedral.
Ruins of the Byzantine castle at Paliokastro.
Psathopyrgos at Plakoto.
Ayios Ioannis at Kalamos.
Ayios Ioannis at Pyrgos; the church is built over the ruins of a temple dedicated to Apollo.
The Anemomyloi quarter with its 12 windmills.
The modern 1,000-seat open-air marble Odysseus Elytis Theater.
The Folk Museum
The Ios Archaeological Museum
The Modern Art Museum at Kolitsanous.