The Rio de Janeiro Port Authority governs both the Ports of Rio de Janeiro and Niteroi. In 1925, Brazil's federal government authorized the construction of a commercial port at the site of the modern Port of Niteroi with a 100-meter wharf and one general warehouse. In 1976, the Port of Niteroi came under the jurisdiction of the Port of Rio de Janeiro.
The access channel to the Port of Niteroi is 300 meters wide with a depth of 17 meters. The 430 by 250 meter turning basin has a depth of 7.5 meters.
The Port of Niteroi covers a total are of three hectares. It contains a 431 meter wharf with alongside depth of 7.5 meters. The Port of Niteroi has two terminals.
The Port of Niteroi's Terminal I is operated by Nitport Servicos Portuarios SA, and the terminal specializes in handling dry bulk and general cargoes. The terminal covers an area of 11.3 thousand square meters and includes a 139.6-meter long wharf with alongside depth of 7.5 meters.
Terminal II in the Port of Niteroi is operated by Nitshore Engenharia e Servicos Portuarios SA. The public-use terminal specializes in logistics support for off-shore marine activities and repairs. The terminal covers 15.7 thousand square meters and contains a 290-meters long wharf with alongside depth of 7.5 meters.