The Herero uprising began in January 1904, when Herero fighters killed over 100 German settlers near the town of Okahandja. The German Empire responded with overwhelming force: 15,000 reinforcements under General Lothar von Trotha defeated the Herero at the Waterberg River in August 1904. Two months later, the Nama people, led by Hendrik Witbooi, launched their own rebellion. Von Trotha's initial policy was extermination -- poisoning water sources and driving the Herero into the Kalahari Desert to die of thirst. When Berlin forced a change in strategy, the colonial authorities shifted to a system of concentration camps. Herero and Nama people, both civilians and fighters, were swept from their lands and transported to camps across German South-West Africa. Shark Island, exposed to the freezing Atlantic winds and utterly unsuitable for habitation, became the most lethal of them all.

Records from the camp describe conditions designed, whether by intention or indifference, to kill. Prisoners received a handful of uncooked rice as their daily ration. Typhoid and scurvy spread through unsanitary quarters where hundreds were crowded together with negligible medical attention. Guards beat prisoners with sjamboks to force them to work. August Kuhlmann, one of the first civilians to visit the camp, described in September 1905 what he witnessed: a woman too weak from illness to stand crawled to other prisoners to beg for water. An overseer fired five shots at her, hitting her in the thigh and shattering her forearm. She died that night. The South African newspaper Cape Argus reported on the camp's conditions in late September 1905. Cases of rape by German personnel were widespread; the majority went unpunished. The camp's reputation became so fearsome that detainees elsewhere were not told their destination, to prevent revolt or escape.

Prisoners on Shark Island were forced to work on infrastructure projects throughout the Luderitz area: railway construction, harbor building, and the flattening of Shark Island itself using explosives. The work was dangerous and physically devastating. By mid-1906, Germans in Windhoek, uncomfortable with the presence of so many Nama prisoners in their city, pushed for their removal. In August 1906, Nama prisoners began arriving at Shark Island by cattle car and ship. The Nama leader Samuel Isaak protested, arguing that their surrender agreement had said nothing about transfer to Luderitz. The Germans ignored him. By late 1906, 2,000 Nama were held on the island, and a German technician reported that the 1,600-strong work force had been reduced to 30 or 40 people able to work, with seven to eight deaths occurring each day.

In December 1906, an average of 8.5 prisoners died on Shark Island each day. A military official estimated that 1,032 of 1,795 prisoners held in September 1906 had died, and only 245 ultimately survived. By March 1907, records showed 1,203 Nama prisoners had perished on the island. Major Ludwig von Estorff, the new Schutztruppe commander who had signed the Witbooi surrender agreement, visited in early 1907 and ordered the camp closed. Surviving prisoners were moved to an open area near Radford Bay, where mortality rates eventually declined. The bodies of the dead were not simply buried and forgotten. Captured women had been forced to boil the skulls of deceased inmates and scrape them clean with glass shards, preparing specimens for racial studies at German universities. In 2001, some of these skulls were returned from German institutions to Namibia -- a gesture of acknowledgment for what Germany formally recognized as genocide.

Shark Island today is connected to Luderitz by a causeway and contains a campsite. There is no museum on the island, no permanent memorial commensurate with what happened here. The wind still blows hard off the Atlantic, and the landscape remains as inhospitable as it was when Herero and Nama prisoners -- people from the dry interior veld who had never known this kind of cold -- were forced to survive on its bare rock. The German Imperial Colonial Office's own reports estimated 7,682 Herero and 2,000 Nama dead across all camps in German South-West Africa. Shark Island accounted for a devastating share of that total. The Herero and Nama genocide of 1904-1908 is widely recognized as the first genocide of the twentieth century, and Shark Island stands as one of its most harrowing chapters -- a place where the full machinery of colonial brutality operated in plain sight, documented by the perpetrators themselves.