Thorverton River Exe (near to the current day bridge), a key crossing for the military garrisoned at Exeter (Isca Dumnoniorum). There is no evidence however to suggest that there was a settlement here by the time of the Domesday Book in 1086, although Thorverton Mill was running at this time on the River Exe (and continued to do so until its closure in 1979). (Raddon, a hamlet W of Thorverton is mentioned in the Domesday book. "William holds RADDON (in Thorverton) from the abbott. Wulfmaer held it in TRE, and it paid geld for 1 virgate of land. There is land
Isca sullo Ionio for the new community, would be called Isca Marina. Nine centuries earlier, the area now known as Isca Marina, was the original town location for the ancestors of Isca, until invasions of outsiders, forced the towns people, to higher ground. Now many hundreds of descendants of the original town location have come home. While some homes were built in the late 1940s in the marina, it was not until the early 1950s that roads, sidewalks, and the town square were built. A water supply was established in 1951. Electricity reached the town in 1953. The elementary school was completed for