The invention relates to a method and a system for providing visual information by means of the data network in real estate agency for offering to potential buyers looking for a suitable object an opportunity to get an idea of the views in the environment of the object on sale. The method and the system according to the invention show the location area of the object on sale as a map image, at least one outlook point in the environment of the object on sale in the map image, and the outlook image representing the view, which can be seen by the virtual viewer placed in the corresponding position of the location area of the object on sale, corresponding to the outlook point, as a response to the indication of the outlook point in the map image.