Port-Gentil is a seaport in Gabon, a country on the coast of Central Africa. The city, which is a center for the petroleum industry, is on the Cape Lopez peninsula and has a sheltered harbor and beaches like Plage du Dahu. The 1927 St. Louis Church is among the city’s landmarks. At the tip of the peninsula is the 20th-century Cape Lopez Lighthouse. To the south, the Ogooué River is known for its many fish species.