Groupers are leading commodity Indonesian non-oil exports, in addition to seaweed, shrimp and tuna. As for the issue of the implementation of the work plan this research is: How grouper trading system in the city of Manado, especially in the market Bersehati. What form of marketing channels grouper in Manado City. How is the general state of the market Bersehati Manado City. Explaining the marketing of grouper in the area of research, and identify sources of fish where it came from and determine the level of income trader Bersehati grouper in Manado City Market. Knowing the margin trading system of the existing marketing system in Bersehati Market. The method used in this study is a survey method. Based on the results of the analysis of marketing research grouper can draw the following conclusion: Groupers are sold in the market Bersehati Manado partly derived from other areas such as Ternate, Ganges Island, Sangihe; Marketing chain grouper in the market Bersehati relatively long starting from the fisherman / producer grouper, traders / collectors grouper, supermarkets, restaurants, consumer; The price of fish sold is still quite different / price variation by type of grouper were sold in the market Bersehati Manado City.