This article examines four major naval battles (1656, 1657, 1807, and 1915) that took place in the Dardanelles during the Ottoman Empire period. The study analyzes the historical context, causes, course, and consequences of these battles, emphasizing the strategic importance of the Dardanelles. Furthermore, in light of the lessons drawn from these historical events, the article offers recommendations for modern Turkey's maritime security policies. By highlighting the importance of strait defense, naval power, technological superiority, and international cooperation, the article aims to contribute to Turkey's future maritime security strategies. Keywords: Dardanelles, Ottoman naval battles, maritime strategy, strait defense, Turkey's maritime security