Shark Cage Diving Gansbaai offer Shark Cage Diving Trips and Boat Based Great White Shark Trips in Gansbaai. Great White Sharks are famous in South Africa. They can be found in the South African shores right through the year and therefore Great White Shark Trips are offered 365 days of the year. Peak season for the Great White Shark’s is in the South African Winter, from June to September, when Great Whites feed on Cape Fur Seal. This is also a great opportunity to see the Famous Breaching of Great White Sharks that South Africa has become famous for, as they Breach on its prey (known as Predation) is very unique to South Africa. People come from all over the world to witness this AMAZING phenomenon.