Plettenberg Bay and Wildness have GREAT hiking trails along the bay. Some sections of the trails are on the cliff sections around the bays, offering GREAT VIEWS of the areas.
Your method of travel is too rush, have missed A Ton of the Beauty South Africa has to offer.
Mossel Bay also has another legend - it was said being the very beginning of homosapien on earth - Point of Human Origin
Geneticists have known for some time that all humans alive today stem from a core population of about 600 people who lived on the African continent about 165,000 years ago – the Mossel Bay Archaeology project has shown that they probably lived on the coast around the present day Mossel Bay.
https://www.planeta.com/mossel-bay-archaeology/