In the taluk of Kayankulam, Sri Mahadevan temple is located at Mararikkulam. It is situated 16 kms north of Alappuzha. It is an important temple of this region because the shrine is a century old. The major festivals of this temple are Mahashivarathri, Navarathri, thiruvathira, ashtami rohini, etc. Thirunagamkulangara Sree Mahadeva temple is situated in vayalar. It is just 4 kms away from Cherthala.
During the month of makharam, on the thiruvathira star day, with an aarattu, an Eight days festival is celebrated in a grand manner.
Other Lord Shiva temples in the taluk of Kayankulam are Kailasapuram temple, Pavumba Siva temple, Kannamangalam South Mahadevar temple, plus Kghandakarnan kavu, Thurayil pulikkamadam Siva temple and Thurayil Pulikkamadam Siva temple at karunagappally and Mezhuvana temple, Mutheril Shiva Parvathy temple, Mutheriel Shiva Parvathi temple, Devikulangara Edamarathusseril Shiva temple, Cheriyazheekal Shiva temple, Mahadevikad Shiva Parvathy temple and Varnampalli Mahadevar near Kayamkulam.
In the town of Cherthala are located Olavipe Mahadeva temple, Cherthala Thuravur Mahadeva temple and Vellorvattom sree mahadeva temple. In the village of Thannirmukkam is located the Shri Khandeswaram temple and at Haripad is situated Komalatthu Kulangara temple.
Thiruvizha Sri Mahadeva temple is located in Thekkummuri panchayat that is just 1km on the cherthala – alappuzha route near east of thiruvizha bus stop. In this temple, primary deity is a swayamboo murthy (self-origin). In this temple, with three seevelies and thanthric rites, pujas are conducted five times in a day. During the month of meenam, on the thiruvathira star day, with an aaraattu, 10 days festival is celebrated in a festive manner in this temple.