Mulberry Harbour 'beetle': Cairnhead Bay, Rigg Bay, Wigtown Bay, Solway Firth

Scotland's National Record of the Historic Environment records Mulberry Harbour 'beetle': Cairnhead Bay, Rigg Bay, Wigtown Bay, Solway Firth as Pontoon (second World War). The official map says its point is accurate as follows: NGR given to the nearest 10m. The record does not by itself mean that the public may enter the place.

Mulberry Harbour 'beetle' is a temporary floating breakwater structure from World War II, used to support Allied landings. It represents significant 20th-century military engineering associated with the D-Day invasion.