Experience the incredible diversity of the Indian and Atlantic Oceans at one of Cape Town’s top tourist attractions, the Two Oceans Aquarium. Tickets are available online. Tickets for visit after 3 pm are comparatively cheaper and you can easily see everything in 3 hours. The aquarium has plenty of marine exhibits including sharks, penguins, jelly fish and a variety of other fishes. The entire area in under 1 roof and you dont have to step outside.