There are many important temples in and around Kollam. The Kottukal Rock Cut Cave Temple; around 10 kms from Kollam is an ideal example of rock cut cave temple. Mayyanad 10 km south of Kollam, is noted for its Shrines and temples. The most important temple is the one at Unayanalloor, dedicated to Lord Subramaniyam. It is believed to be consecrated by the great saint Shri Shankaracharya of Kaladi. Besides the temples, there are three churches and a mosque. The Oachira temple is the most unsual temple without any shrine or any idol, but the presiding deity of Parabrahmam is worshipped by one and all. The Achencoil Temple is situated amidst dense forests and idol of the local deity Lord Sastha has been here for the past 2000 years and even more.
The other important temples near Kollam are The Bhagavathy temple (Anchal), the Aryankavu, the Sasthamkotta, and the Kulathupuzha temples.