kilwaughter is the home of kilwaughter castle, built by john nash between 1803 and 1807, for the agnew family. located on the site of an older 17th century tower, the castle is situated in the hills, about 3 miles southwest of larne. seized by the government during wwii, kilwaughter castle was used to house soldiers in the 1940s. these soldiers were members of the american 644th tank destroyer battalion and based here during preparations for the d-day landings. the castle remained uninhabited from that time and fell into disrepair - with collapsed floors and a collapsed roof. it is privately owned and not open to the public. as of 2017, a charitable trust was reportedly being formed to "stop further deterioration of the castle".