The purpose of this study was to investigate the relationship among marine sports education satisfaction, leisure immersion, and school life satisfaction of cadets. To this end, a sample was extracted using the convenience sampling method as a population of cadets attending the Naval Academy in 2023, and a total of 341 data were used for the final analysis. Frequency analysis, confirmation factor analysis, correlation analysis, and structural equation model analysis were conducted using the statistical programs SPSS 21 and Amos 21, and the results derived are as follows. First, it was discovered that cadets' satisfaction with marine sports education had a significant impact on leisure immersion. Second, it was discovered that cadets' satisfaction with marine sports education had a significant impact on school life satisfaction. Third, it was found that the leisure immersion of cadets had a significant effect on school life satisfaction.