Sthalasayana Perumal Temple, also called Thirukadalmallai, is built in the Dravidian style and is one of the 108 Divyadesams dedicated to Lord Vishnu, worshipped here as Sthalasayana Perumal alongside his consort Lakshmi as Nilamangai Thayar. The yearly Bhoothatazhwar Avatara festival is celebrated here during the Tamil month of Aipasi (October-November).