The unique Martello Tower (knows as tower CC) is 4 towers joined together and the largest and northernmost of 103 defensive towers built between 1808 and 1812 to resist a Napoleonic invasion. Suffolk at one time had 18 towers. Sadly many have been destroyed (e.g. pulled down for their masonry) whilst others converted into homes or put to other uses. This tower is now used as holiday apartments. The Martello Tower is the only surviving building of the fishing village of Slaughden, which had been washed away by the North Sea by 1936.