In strictly literal terms, it's pretty damn simple. Find a boulder on a beach. Climb on it. Presto, you know "How to boulder on the beach." In looser terms, though, there are a few things you should know to make it a good experience.1. Bring your climbing shoes.If you're accustomed to climbing barefoot, you don't own a pair of climbing shoes, or you just came across some beach boulders without having planned for it, then...