Discover the underwater world on this helmet-diving experience at the Miami Seaquarium. Put on a dive helmet and immerse yourself in a 300,000-gallon (1.13-million liter) tank to explore an amazing tropical reef. With the dive helmet, breathe freely underwater as you spot tropical fish and stingrays and watch the divers feed the marine animals. you'll also enjoy same-day admission to the Miami Seaquarium's fascinating shows and exhibits.