"Cage diving" refers to the activity of being inside a protective cage underwater, usually in the ocean, to observe and get close to large marine animals like sharks without the risk of being harmed.
Also, take the awesome but thrilling opportunity to go shark cage diving! (sa-venues.com)
It is one of the most popular spots to go cage diving with great white sharks and South African vineyards could give any Australian winery a run for its money. (gapyear.com)
When it's time to go cage diving, your team is ready and able, knowing where all the gear is located and how to suit up. (sharkdiver.com)