Sip back and explore Chesil Beach, also known as Chesil Bank, is a 29 km naturally formed shingle tombolo along Dorset’s Jurassic Coast, created after the last ice age. Separated from the mainland by the Fleet Lagoon, the UK’s largest tidal lagoon, it reveals Holocene geology, longshore drift processes, graded pebbles, and flint and chert sediments that shape this protected coastal landscape. Ideal for visitors interested in coastal geology, geomorphology, heritage