This aquarium is considered one of the finest in the world. Stunning displays reveal the marine life of the warm Indian Ocean and the icy Atlantic. It's a hands-on place, with a touch pool for children and opportunities for certified divers to explore the vast, five-story kelp forest or the predator tank, where you share the water with a couple of large ragged-tooth sharks (Carcharias taurus) and get a legal adrenaline rush (R450, R350 with own gear). For something completely different, try a copper-helmet dive with antique dive equipment in the predator tank (R650). If you don't fancy getting wet, you can still watch the feeding in the predator tank every day at 3. But there's more to the aquarium than just snapping jaws. Look for the endangered African penguins, also known as jackass penguins because of the awkward braying noise they make; pulsating moon jellies and spider crabs; and, if you're lucky, the strange and elusive sunfish.