Vallarpadam is one among the group of islands, that form part of Kochi, in the state of Kerala, India. It is situated in the Vembanad Lake, locally known as The Kochi Lake and has a population of over 10,000. Vallarpadam is one of the two islands, the other being Willingdon Island, around which the Port of Kochi is situated. The International Container Transshipment Terminal of the port is situated entirely in Vallarpadam island. Vypin island lies on its west side and Mulavukad island lies to its east.

Vembanad is the longest lake in India, as well as the largest in the state of Kerala. The lake has an area of 230 square kilometers and a maximum length of 96.5 km. Spanning several districts in the state of Kerala, it is known as Vembanadu Lake in Kottayam, Vaikom, Changanassery, Punnamada Lake in Alappuzha, Punnappra, Kuttanadu and Kochi Lake in Kochi. Several groups of small islands including Vypin, Mulavukad, Maradu, Udayamperoor, Vallarpadam, and Willingdon Island are located in the Kochi Lake portion. Kochi Port is built around the Willingdon Island and the Vallarpadam island.