Kattaka Kayal or Kattakayal is a freshwater lake in Kollam city in the Kerala state of India. The lake connects Vattakayal, a 36 acre freshwater lake in Maruthadi, with Ashtamudi Lake in the city.Kattak Kayal is a part of Ashtamudi Lake and Vattakayal in Kollam. The two-km long stream was once the lifeline for most of the commercial activities at Sakthikulangara. Its width was 90 to 120 meters before 50 years. Three boat jetties were there along the course of Kattaka Kayal then and huge cargo vessels berthing for loading and unloading seafood items were a common view of Quilon city those days. It was home for more than 20 species of edible fish including Karimeen and Poomeen.