Isle of Portland The borough and nearby Chickerell have been a Fairtrade Zone since 2007. The Isle of Portland lies in the English Channel, south of Wyke Regis, and west-southwest of London, at (50.55, −2.44). Portland is situated approximately halfway along the UNESCO Jurassic Coast World Heritage Site; the site includes of the Dorset and east Devon coast that is important for its geology and landforms. The South West Coast Path runs around the coast; it is the United Kingdom's longest national trail at . Portland is unusual as it is connected to the mainland at Abbotsbury by Chesil Beach, a tombolo which
Coastline of the United Kingdom has a fractal dimension of 1.13, and that of South Africa is 1.02. As a result of this shape and the number of islands, the coastline of the UK is longer than that of similar sized countries. For example, the coastline of Italy is around 9,226 km in length, France 7,330 km and Spain 7,268 km. Greece, which has a large number of islands similar to the UK, has a coastline of around 15,147 km. This means the UK has a relatively high coast/area ratio. Nowhere in the UK is more than from the coast. It is estimated that around