 Modernization of the port in the late 1970s has helped it maintain its role as the central point for all imports and exports from Mauritius.While Port Louis continues to be the business and administrative capital of Mauritius, expansion of the tourism industry in the late 1990s led to considerable development in Port Louis, with many shops, hotels, and restaurants being built in the Caudan Waterfront area.Port Louis features a hot semi-arid climate ("BSh") under Köppen's climate classification.