This study was carried out to examine the effect of NIMASA security strategies on the eradication of sea piracy in Bayelsa State. To achieve this objective, five research questions were formulated to guide the study. The data was collected from primary sources. The primary data were collected with the help of a well-structured questionnaire of two sections administered to the respondents in Bayelsa State. The collected data were analyzed with tables and simple percentages to analyze the research questions. All data were coded using SPSS software. The study reveals that the attacks by pirates pose security threat to sea business operation and there are strategies that could be adopted to reduce water ways criminality and promote sea business operations etc. The study concluded with some recommendations that since sea pirates and robbers are mostly made up of youths who believe that lack of employment predispose them to criminality, government and well to do individuals therefore should generate employment and build capacities for self sustenance of the youths in the area.