Negombo Lagoon is a large and beautiful coastal lagoon located in Negombo, famous for its rich biodiversity and peaceful natural environment. The lagoon is connected to the Indian Ocean and supports many types of fish, birds, mangroves, and marine life.

It is an important source of income for local fishing communities and is well known for traditional fishing activities such as crab and prawn harvesting. Visitors can enjoy boat rides, bird watching, and scenic sunset views around the lagoon.

Negombo Lagoon is also culturally important because it reflects the close relationship between nature and the daily lives of the people living in the coastal area.