The presiding deity of the temple is Lord Maha Vishnu, who is revered as the protector and sustainer of the universe.

The temple is an important spiritual center for devotees in the region. It features regular rituals and special poojas dedicated to Lord Vishnu, aiming to invoke his blessings for protection, prosperity, and spiritual well-being.
Festivals
The Temple has a number of festivals. The important ones are :
Thrikkarthika
During Thrikkarthika at Manayil Sree Maha Vishnu Temple in Karipuzha, Mavelikara, Alappuzha, the temple is beautifully illuminated with traditional oil lamps. The festival marks the auspicious occasion with special poojas and rituals dedicated to Lord Maha Vishnu. Devotees participate in the lighting of lamps and various ceremonies, seeking the divine blessings of the deity for prosperity and well-being. The atmosphere is filled with devotion and festive spirit, celebrating the divine light and its significance.
Parayeduppu
At Manayil Sree Maha Vishnu Temple, the Bhagavatha Sapthaha Yajnyam is a significant spiritual event. This week-long ritual involves the continuous recitation of the Bhagavatham, a revered Hindu scripture, by learned scholars and priests. Devotees gather to listen to the sacred stories and teachings of Lord Vishnu, seeking spiritual enlightenment and divine blessings. The event also includes special poojas, bhajans, and discourses, creating an atmosphere of deep devotion and spiritual immersion.
Contact Address: Manayil Sree Maha Vishnu Temple, Kadavoor, Karipuzha, Mavelikara, Alappuzha, Kerala 690109