the superbank extends from snapper rocks point, through rainbow bay, greenmount point, coolangatta beach, and kirra, for a distance of around . multiple barrel sections can now occur at any point along this length. the quality of the surf in the first 4 of these sections has markedly improved since the 1990s, creating one of the longest, hollowest and best waves in the world. however, the quality of the last section, kirra, which has long been regarded as one of the world's best waves prior to the formation of the superbank, has suffered. there have been calls to modify aspects of the sand bypass system to attempt to restore kirra to its former quality, although exactly how this is to be done is not clear. it is possible that an optimum, medium build-up of sand (such as was reportedly the state in the early 2000s) may create the longest and best waves over the entire length, including kirra.