The aim of the research is to evaluate the competitiveness of Latvian fisheries sector, identifying the spheres ensuring competitiveness. Based on the developed Model of the factors influencing competitiveness of the fisheries sector cluster and methodology of the Index of Fisheries Sector Cluster Competitiveness the authors determined the competitiveness level of Latvian fisheries sector and identified spheres influencing competitiveness: facilitating and promising spheres as well as procrastinatory and stagnating spheres. The acquired results were used as a ground for development of proposals to facilitate the competitiveness of Latvian fisheries sector. Evaluation of Latvian fisheries sector competitiveness is an example of the fact that the elaborated methodology for evaluation of competitiveness may assist the institutions involved in the fisheries' policy formation to work more successfully and improve the common policy in the fisheries sector.