Please do not go to the posted coordinates, you will get wet and there is nothing for you to find there!
In order to find this cache you will need to crack the following code, hopefully it will be easy.
eeeeh ggg g eeea g mg eehhh a gmm hhh gaag mmm ee hg a mg ee ae g eeeaa mmgg g ehe aaa
ehhhh a gmm hhh ggaaa m ssss ee ghg a mgmm ssssh eaaaa ggg gg mssm h aeaa mmmmg