Unknown: Rubha Dubh, South Uist, Sea of the Hebrides, Mulberry Harbour Section

Scotland's National Record of the Historic Environment records Unknown: Rubha Dubh, South Uist, Sea of the Hebrides, Mulberry Harbour Section as Floating Dock (20th Century). 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.

A section of a Mulberry Harbour floating dock, lost during World War II, likely after being towed to the Outer Hebrides for testing or training; no lives were lost, and its remains are a significant example of temporary harbor technology used in the D-Day landings.