Sounds like it is a beautiful place. (all that history)
The name is also found as Ceos or Keos--sounds similar to "Chios" both in English and Greek. (There is a joke in Aristophanes that depends on the names Ceos and Chios sounding very nearly alike.)
We have bits of the poetry of Simonides and Bacchylides. Simonides wrote some poems having to do with the Persian Wars. The famous epigram about the 300 Spartans who died at Thermopylae is possibly by him:
"Go tell them in Sparta, passer-by,
That here, obedient to their laws, we lie."