This research aimed at analyzing policy alternative that can be conducted to increase seaweed farmer's income. The method practiced in this research was a survey method; while the population was a household whose livelihoods were a seaweed farmer. Data analysis applied to answer the objectives of the research was policy simulation. The research result revealed that policy alternative that can be carried out as a priority of business development and to increase seaweed farmer's household income includes : labor wage increase by 15%, one-year experience addition and thallus length addition by 15%; one-year experience addition, one-year education addition, and thallus length addition by 15%; labor wage increase by 15%, one-year-experience addition, one-year-experience addition and one-yearstudy addition; labor wage increase by 15%, one-year experience addition; one-year experience addition, one-year educational addition, and cleanliness rate addition by 5%.