Brightlingsea is a coastal town and civil parish in the Tendring district of Essex, England. It is situated between Colchester and Clacton-on-Sea, at the mouth of the River Colne, on Brightlingsea Creek. At the 2011 Census, it had a population of 8,076. The town is an active though small port. Its traditional industries included fishery and shipbuilding. With the decline of these industries, the town is largely a dormitory town for Colchester.