The second campaign of the Humboldt University Nubian Expedition, H.U.N.E., in the Fourth Cataract was conducted from February to the beginning of April 2005. As in 2004, the mission worked in two teams. In the following, the activities in the island part of the concession area will be presented. It comprises four large islands, Us, Sur, Sherari and Shirri, as well as several smaller ones, which stretch over an area of altogether 20 km length