Korkai is a village which is located between Thiruchendur and Thoothukudi. The village houses the tank Korkaikulam which covers an area of 250 acres. The Korkai village was a famous port during the rule of the Pandian Dynasty. Korkai also houses the ancient temple Vettrivellamman. In a 1838 excavation, many artefacts that belonged to the 3rd century BC and 2nd century AD were unearthed from the village.
The reference of the village, Korkai, can be found in the classical western and Sangam literatures. The village was referred as Kolkhai by the famous Greek geographer Ptolemy and was regarded as the centre of pearl fishery.