Koodalmanikyam Temple is a marvel in architectural beauty. The impressive gateways, round shaped Sanctum Sactorum, the majestic Koothambalam and the Carvings in wood and stone on the walls all attract students of Art and Architecture. The murals on the walls on either side of the Eastern entry to Chuttambalam also deserve special mention.
The Temple had also been an important centre of nourishment of the Temple Arts like Kathakali, Koothu, Koodiyattom and Thullal. Koothambalam stage had the rare fortune to witness historic stage shows by the masteros of Ammannoor Chakyar family. Unnai Warrier, the author of Nalacharitam was a native of Irinjalakuda and an ardent devotee of Sangamewara. He has also composed a Sanskrit poem – Sree Rama Pancha Sathi that is an abridged version of Ramayana in fifty dasakas dedicated to Lord Sangameswara.