Shipstern Bluff, also called Shippies, is a ferocious wave at the base of steep cliffs in Tasmania. Surfers have been challenging the mutant wave faces there for decades, but it’s just as terrifying a quadruple black diamond run today as it was the first time. Nathan Florence is one of the best in the world at navigating waves like this, so who better than to take you on a first-person tour?