Recently, there has been a growing in alternative prevents and therapies of marine organisms for metabolic syndrome. Marine-derived bioactive peptides attracted extensive interest due to their numerous health beneficial effects including antioxidant, antihypertensive, anti-diabetes, anti-obesity. The bioactive peptides may provide novel therapeutic applications for the prevention of metabolic syndrome. The facts summarized here may provide improvement of metabolic syndrome by peptides from marine organisms. However, further insightful researches on the prevention of metabolic syndrome by marine peptides in in vivo and clinical studies are needed to firmly establish their therapeutic potency.