The present invention provides a modular advertising system. One object of the current invention may be to provide a modular advertising system that may be secured to a pole or other external surface and elevated by a user to a desired height without the need of a ladder or lift. Another object of the current invention may also be to provide a quick-release assembly that may be used to quickly couple and de-couple the assembly from a pole or other external surface/structure. Another object of the current invention may be to provide a modular assembly that can be adaptable to a number of surfaces, such as a pole surface, ground surface or horizontal surface. An additional object of the current invention may be to provide a modular advertising display having interchangeable modular structures that may be configured to vary the position and number of advertising displays presented to consumers.