You don't need to be religious to enjoy the calming atmosphere of Maputo Cathedral. Find out when the next service starts or when it's open for general viewing.
This principal church is free to visit, which is excellent news if you're watching your budget. Maputo Cathedral is located in Central C. When you've finished here, Maputo City Hall, Praca dos Trabalhadores and Praça da Independência are in the area and also worth a look.