The municipality is known for its vibrant cultural heritage, hosting several annual festivals. The Thalappoli festival, also known as the Maradu Vedikkettu, is celebrated at the Maradu Kottaram Bhagavathy Temple, renowned for its grand fireworks displays. Another notable event is the festival at the Maradu Subramanya Swami Temple during the Malayalam month of Makaram, featuring the traditional Kavadi Aattam dance in honor of the deity Murugan.

Additionally, The Moothedam Church commemorates Servant of God George Vakel, a revered Christian figure known for his miracles and protection. Devotees gather in large numbers to seek his blessings, and the celebrations include processions, prayers, and community feasts.

The Nettoor Muslim Church hosts the Kodikuthu celebration, a significant religious event that symbolizes unity and devotion among the faithful. The event features special prayers, cultural programs, and community gatherings, strengthening the bonds of harmony and faith within the community.