Zanzibar Channel km south of Dar es Salaam. In 2015, the 29km solo swim across the Zanzibar Channel starting at the Pungume Sandbank was completed in 9 hrs 1 minute by Jean Craven (SA) , Robert Dunford (Kenya), Megan Harrington Johnson (SA), Samantha Whelpton (SA) and Emil Berning (SA) Zanzibar Channel The Zanzibar Channel is a strait in south-eastern Africa, separating the island of Unguja (also known as Zanzibar) from mainland Tanzania. The channel is 120 km long and 29-37 km wide, with depth varying from a few dozen metres (in the centre) to a few hundred metres to the north and
History of Zanzibar Somaliland. Zanzibar was famous worldwide for its spices and its slaves. During the 19th century, Zanzibar was known all over the world in the words of Petterson as: "A fabled land of spices, a vile center of slavery, a place of origins of expeditions into the vast, mysterious continent, the island was all these things during its heyday in the last half of the 19th century. It was the Africa Great Lakes' main slave-trading port, and in the 19th century as many as 50,000 slaves were passing through the slave markets of Zanzibar each year. (David Livingstone estimated that 80,000