West Mersea is a town and civil parish on Mersea Island in Essex, situated in the Blackwater and Colne estuaries to the south‑east of Colchester. The area is known for its island setting and maritime heritage.
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West Mersea is a town and civil parish on Mersea Island in the City of Colchester district of Essex, England. It is one of two parishes on the island. Mersea Island is an island in Essex, England, in the Blackwater and Colne estuaries to the south‑east of Colchester. Its name comes from the Old English word meresig, meaning "island of the pool" and thus is tautological. The island is split into two main areas, West Mersea and East Mersea, and connected to the mainland by the Strood, a causeway that can flood at high tide.