Denmark Strait Atlantic Oceans runs from Straumnes to Cape Nansen, southwest of Cape Tunipier. From Straumnes to Cape Nansen the distance is . The narrow depth, where the Greenland–Iceland Rise runs along the bottom of the sea, is . The cold East Greenland Current passes through the strait and carries icebergs south into the North Atlantic. It hosts important fisheries. The world's largest known underwater waterfall, known as the Denmark Strait cataract, flows down the western side of the Denmark Strait. During World War II, the Battle of the Denmark Strait took place on 24 May 1941. The sank the British battlecruiser
Seal Island (Investigator Strait) Seal Island (Investigator Strait) Seal Island is an island located in Investigator Strait off the south coast of Yorke Peninsula in the Australian state of South Australia about south south-west of Stenhouse Bay. Since 1972, it has been part of the Althorpe Islands Conservation Park. Seal Island is about south south-west of Stenhouse Bay. It is described as an ‘elevated hump’ rising to a height of with a series of ‘segmented islets’ at its west side. Seal Island is reported as being best accessed via its north coast and during the ‘calmest weather’. A number of sources consider Seal Island