Seaton, Devon Seaton, Devon Seaton () is a large seaside town, fishing harbour and civil parish in East Devon on the south coast of England. It faces onto Lyme Bay and is historically part of Axmouth (to the east) and Beer (to the west). A sea wall provides access to the mostly shingle beach stretching for about a mile, and a small harbour, located mainly in the Axmouth area. Seaton sits on the long Dorset and East Devon Coast World Heritage Site, more commonly known as the Jurassic Coast. From here it is possible to visit rock strata dating from three geological
Geology of Dorset far east. Jurassic rocks also underlie the Blackmore Vale and comprise much of the coastal cliff in the west and south of the county; and although younger Cretaceous rocks crown some of the highpoints in the west, they are mainly to be found in the centre and east of the county. Dorset's coastline is one of the most visited and studied coastlines in the world because it shows, along the course of (including some of east Devon), rocks from the beginning of Triassic, through the Jurassic and up to the end of the Cretaceous, documenting the entire Mesozoic era with