These research about the feasibility analysis of mud grouper fish (Ephinephelus suillus) at floating net cages, was held in August 2016 in the village Pulau Sembilan. The purpose of the research to know how large cost of investment from the business of mud grouper 4 bags, 8 bags, 10 bags, and 16 bags, this research find out how the feasibility of business if reviewed in terms of aspects of feas…