The action packed site on Magnetic Island , Townsville's Jewel in the Crown , where work is going on to install an experimental groyne to try and counter erosion of sand from Nelly Bay Beach .
Under the $210,000 scheme , the sand filled groyne will stretch 50metres out into the sea . The work includes digging under the bridge which leads to what had to be officially approved as an extension of Australia due to the construction of the so called Nelly Bay safe harbour and marina , in which are the ferry terminals .
As work has progressed some residents have expressed concern about the possibility of children playing on the high mounds of sand after hours being swallowed up in a collapse