HM Fort Roughs, Sea fort in North Sea, United Kingdom.
The rectangular concrete fortress stands 60 feet tall with twin towers, containing seven floors of operational spaces and crew quarters.
The British military constructed Fort Roughs in 1942 to defend shipping lanes from German aircraft during World War II.
Fort Roughs transformed into an independent territory when Paddy Roy Bates occupied it in 1967 and established the Principality of Sealand.
Located 11 kilometers from Suffolk coast, the fort remains visible on navigation charts as a marker for vessels approaching Felixstowe and Harwich ports.
The fort structure weighs 4,500 tons and was transported by four tugboats before being intentionally sunk onto a sandbar at its current location.
Inception: February 10, 1942
GPS coordinates: 51.89517,1.48050
Latest update: May 26, 2025 20:52
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