You can come into contact with the resident dolphins of Southern Mozambique, on their terms. No feeding, no harassment. Dolphin Encountours initiated Africa's first dolphin swim program in 1996. The co-founder’s embarked on establishing Africa's first Dolphin Swim and Research Center. A strict code of conduct was developed based on advice and guidelines from international and local marine mammal experts, resulting in a program that allows close interactions on the dolphins' terms.
The long drive to Ponta can be an arduous one. It can be broken up with a tour through Maputo National Park to encounter elephant herds, hippos, crocodiles, monkeys, etc., and extensive bird life, but you're going to need a 4x4 to deal with high water crossings and unimproved roads.