Abstract: The present situations, the main industries and the superior industries of marine economies in the coastal provinces of China were briefly analyzed in this paper. According to the above-mentioned analyses and the researched achievements, the development targets and the regional distributions of marine economies in the coastal provinces of China in the near future were preliminarily induced in the paper. Taking Guangdong Province as an example, the ratio of the gross output value of marine industries between the province and the country was 17.7 percent in 2005, the main industries, the superior industries and the industries should be developed of which were the coastal tourism, the marine electric power and seawater utilization, the offshore oil and natural gas and so on. Guangdong Province will become a powerful province of marine economies, the ratio between the added value of marine industries and the GDP of which will be 15.0 percent in 2010.