There is no facility known as “Eugene Marais” that is referenced or described in the available search results. The search results primarily mention museums and attractions in France, such as the Musée National Eugène Delacroix in Paris with its visiting hours, but nothing related directly to “Eugene Marais” visiting hours. If you are referring to a specific institution, hospital, or museum named after Eugene Marais, additional details would be required to provide accurate visiting hours. Alternatively, you may wish to check the official website or contact the institution directly for up-to-date visiting hours.