The respective local government is attempting to activate the local economy through constructing the regional identity, which is a part of the whole reconstruction paradigm of recent local development. This can be called as strategic differentiation work using visual and invisible resources of each region. Namely, the importance of regional identity is recognized as a method for activation of each region. It is also balanced together with the development through decentralization of power and dispersion from the Central Government, and the masstige etc. The usage of regional resources is attempted on the basis of this recognition.Today, consumers get to discover similar products from many product groups, so the consumption of marine products displace meat as well-being health foods in the contemporary life. In the case of marine products, the trust of consumers on quality assurance is an important influence on consumer purchase. There is of course an Indicate system of origin in the case of marine products, but worries concerned with Malachite green, Carmin and Tar colors, etc are increasing as imports deeply penetrate into people`s causal life. Maintaining freshness and masstige of marine products is the most important two key points for differential competitiveness of domestic marine products in the distribution field, where imported marine products overflow. Thus, value improvement method associated with the Korea Protected Geographical Indication and branding of regional fishery is rising. This research has examined the execution status and future subject of Korea Protected Geographical Indication such as Capsosiphon fulvescens, Gracilaria verrucosa and organic-certified laver etc. In addition to pen shell, among the differential strategies for development of regional fisheries is the Jangheung-gun of Jeonnam. The Jangheun-gun is making remarkable achievement such as being selected as the winner of the Management Award for regional fisheries Management, and succeeding in the evaluation competition by using strategic differentiation of recent fisheries.