Mersea Island is in Essex, England, in the estuaries of the Blackwater and Colne rivers, just south-east of Colchester. It is connected to the mainland by a causeway called the Strood, which can flood at high tide.

Quick Scoop

  • Country: England, United Kingdom.
  • County: Essex.
  • Nearest major town: Colchester, about 9 miles north.
  • Main areas: West Mersea and East Mersea.

If you want, I can also give you a quick map-style description of how to get there.