Kappaphycus alvarezii seaweed is one of the fishery commodities developed in Tarakan City, especially in the water of Pantai Amal, Tarakan City, since 2009, with fluctuating production. This research aims to analyze the financial feasibility of the seaweed cultivation based on internal and external factors and to develop appropriate strategies to increase seaweed production in the Tarakan City. Sampling technique was conducted purposively with a qualitative approach using a questionnaire. The SWOT (strengths, weaknesses, opportunities, and threats) and QSP (quantitative strategic planning) analysis results show five internal strengths and five weaknesses with an IFE (internal factor evaluation) value of 2.57, as well as four threats and five external opportunities with an EFE (external factor evaluation) value of 2.86. Based on the IE (internal-external) matrix, the business is in the growth phase (cell V), so the right strategy is to develop the K. alvarezii seaweed cultivation business using the longline method in Tarakan City through empowering members and groups to increase business (with a score of 5.83), expanding cultivation land (score 5.65), and improving technical cultivation skills to increase product quality and quantity (score 5.52).
                        
                        
                        
                        
                            
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