This cipher had a reputation for being unbreakable, but you'd be square to believe that. Stick with children's magazines and don't go down the rabbit hole!
hwjujz gm ypw mjvul fb fvwbz mtzlf tvw amqjajmf wtqfa emjv tvw mtcj djal zjdwuyg lowmw mtzlf xqp wtqfa sqfl xqp gjzg
After solving the puzzle, park your fish-mobile at the initial coordinates and take a short stroll along the NCT.
You can check your answers for this puzzle on GeoChecker.com.