The aim of this descriptive-survey research was to investigate and analyze the organizational structure of Qeshm free zone based on 7 S of McKinsey. The research population included managers and experts of Qeshm free zone. Simple random sampling was used to select research population, and the number of population was decided according to Cohcaran formula, which was 84. The research was conducted in the form of questionnaires. The reliability and validity of the questions were tested by alpha Cronbach (0.848) and the use of experienced professors and experts respectively. To analyze research data Kolmogorov-Smirinov, T-test and Freedman test were used. The results of the research indicated that organizational structure based on 7-S McKinsey in Qeshm free zone is unfavorable, with common value, clerks and structure having the worst conditions. According to the research findings, it is recommended that managers of Qeshm free zone pay specific attention to internal environment of organization and ways to improve it.