Regarding the ocean economic geography as the research platform and orientating it to promoting the sustainable development of ocean and sea islands, and coastal areas, human-economic geographers have conduct studies on the ocean and sea islands to explore the multi-disciplinary intersection and methods integration. Human-economic geographers have extensively participated in the compilation concerning the national, provincial and municipal mid- and long-term development planning and finished many national and local scientific research projects, and are playing a greater role in decision making in governmental departments at all levels. From the aspect of human-economic geographic issues on marine economic development, sea island development and coastal area economic development, arising from modernization of China, have undergone a period of effective theoretical and comprehensive application research in combinination of national strategic demand "upholding sea-land coordination strategy, and developing marine economy", which is playing a critical role in promoting the development of human-economic geography and regional economy of China. Based on the recent research achievements and progress on ocean and sea island development, this paper summarizes the major direction of research and problems and pridictes the trends and prospects of research.