Heritage Tours and Safaris Hippo & Croc Boat Tour is a 2-hour boat safari on the St Lucia Estuary, within Isimangaliso Wetlands Park, a World Heritage Site. This cruise offers scenic views and the opportunity to witness wildlife, namely hippos, crocodiles and birds. In addition, guests can also disembark and go for a guided walk in the bush and spot local wildlife including buffalo, zebra, and antelope.