Marine ranching is an important carrier for the development of recreational fisheries and also a significant approach to promoting the development of marine tourism. In foreign countries, marine ranching generally attach great importance to the development of recreational fisheries and coastal tourism. Against the backdrop of vigorously promoting the construction of marine ranching and creating a “blue granary” in Guangdong Province, this paper reviews the development process of the integration of marine ranching and tourism, analyzes the current situation of the integrated development of marine ranching and marine tourism in Guangdong, summarizes the problems faced by the continuous growth of this new business model, and then proposes targeted measures to promote the integrated development of marine ranching and marine tourism.