Here the ocean heaves and thrashes like a furious beast. This is one of Oʻahu’s most dangerous beaches, with a punishing shorebreak, powerful backwash and strong rip currents. Expert bodysurfers and bodyboarders spend hours trying to mount the skull-crushing waves, as crowds gather to watch the daredevils being tossed around. Sandy Beach is wide, very long and, yes, sandy, but this is no place to frolic for the inexperienced – dozens of people are injured every year .