Caphareus lured returning Greek ships to destruction with false lights. In poetry, he embodies deceit and perilous shores. His myth symbolises betrayal and the lingering dangers of war’s aftermath.

Caphareus refers to both a promontory on the island of Euboea and to Nauplius, the treacherous king who lit false beacon fires on these cliffs to wreck the Greek fleet returning from Troy, seeking revenge for his son Palamedes' unjust death. This episode represents divine and human retribution against the Greeks for their impiety in sacking Troy, particularly Ajax's violation of Cassandra in Athena's temple. The treacherous rocks of Caphareus became proverbial in Greek literature for danger, deception, and deserved punishment. For students analyzing the returns (nostoi) of Greek heroes, Caphareus represents how hubris and sacrilege at Troy resulted in delayed, scattered, and fatal homecomings. The story demonstrates how individual crimes (Ajax's rape) brought collective punishment (fleet destruction) and how human vengeance (Nauplius) executed divine justice. References to Caphareus invoke themes of shipwreck, false guidance, treachery, and the dangerous passage between war and home that proves fatal for many heroes.