Lagos and Victoria Island. Three major bridges join the island to the mainland. They are the Carter Bridge, which starts from Iddo; the Eko Bridge (formerly called the Second Mainland Bridge); and the Third Mainland Bridge, which passes through densely populated mainland suburbs to the Lagos Lagoon. Lagos Island contains a central business district. This district is characterised by high-rise buildings. The island also contains many of the city's largest wholesale marketplaces (such as the popular Idumota and Balogun Markets). It also has the National Museum of Nigeria, the Central Mosque, the Glover Memorial Hall, Christ's Church Cathedral (CMS) and the
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