Lagos mainly a collection of islands that are separated from each other by creeks of varying sizes and are connected together by bridges. The smaller sections of some creeks have been dredged and built over. This part of Lagos is the area where most business activities and entertainment events in Lagos takes place. It also houses most of the upscale residential areas in Lagos. The Local Government areas that are considered to be in the Island include Lagos Island, Amuwo-Odofin, Apapa (sometimes also regarded as being on the mainland), and Eti-Osa. The major upscale island neighbourhoods within these LGAs include Ikoyi
Lagos water and sanitation. The Port of Lagos is Nigeria's leading port and one of the largest and busiest in Africa. It is administered by the Nigerian Ports Authority and it is split into three main sections: Lagos port, in the main channel next to Lagos Island, Apapa Port (site of the container terminal) and Tin Can Port, both located in Badagry Creek, which flows into Lagos Harbour from the west. The port features a railhead. The port has seen growing amounts of crude oil exported, with export figures rising between 1997 and 2000. Oil and petroleum products provide 14% of