Cornwall is the county with the longest coastline.
cornwall
essex
If you mean which county has the longest coastline then Kerry does.
County Donegal
Pinellas County is 38 miles long, and 15 miles at it's broadest point, for a total of 280 square miles. 587 miles of coastline. It is the 2nd smallest county in the State of Florida.
i dont know so just get a life
Asia is the continent with the longest coastline.
Do you mean the longest? Canada has the longest coastline.
Canada has the third longest coastline in the world, after Norway and Indonesia.
Maine is the New England state with the longest coastline along the Atlantic Ocean. It has 228 miles of coastline.
Canada has the longest coastline. The second longest is next to impossible to measure.
The nature of the South East Essex coastal landscape The County of Essex is in the south-east of England and is located just to the north-east of London (Capital of England), the south-west part of the county forms the north-east edge of Greater London. Essex has the longest coastline of any English county. A straight line drawn parallel to the coast from the Thames in the south to the Stour in the north is about 50 miles in length but follow the convolutions of the coastline and you will cover nearer 400 miles.
Canada, which has the longest coastline of any country, at over 200,000 km.
Canada has the longest coastline in the world, stretching over 202,080 kilometers.