Easier accessible are in comparison the submerged sites of Gallipoli and especially of Scapa Flow .

UNESCO: Underwater Cultural Heritage

Scapa Flow was used in both world wars as a main harbour for the British Navy.

BBC: Burra Sound at Scapa Flow

In Scapa Flow well preserved warships from both world wars can be seen.

UNESCO: Underwater Cultural Heritage

There are even some enemy graves, such as that of a German sailor killed when the Imperial Grand Fleet was scuttled in Scapa Flow after the end of World War I.

BBC: Charity raises awareness of war graves in Scotland

The minister was told about the HMS Royal Oak which was torpedoed by a German U-boat with the loss of 833 lives at Scapa Flow, off the Orkney coast, on 14 October 1939.

BBC: poppy memorial wreath

The letters to his mother about life in the Royal Navy came to an abrupt halt with a telegram of his death on the HMS Royal Oak, torpedoed in Scapa Flow by the German submarine U-47 in October 1939.

BBC: Europe��s surprising dive hotspot

Sunken World War II warships in Scapa Flow harbour offer fantastic diving opportunities, or take a ferry to either Westray or Hoy for spectacular cliffside walks and the chance to see puffins and other seabirds at the bird preserves on each island.

BBC: Exploring Scotland by road