The article reviews tidal and wave energy in southern waters of Iran. It discusses the need for sustainable energy sources due to environmental concerns with fossil fuels. The focus is on tidal current energy technology in Iran's southern waters, with Chabahr, Bushehr, and Khowr-Moussa identified as ideal locations for harnessing this energy. The paper examines the current status, impact on the environment, and challenges in utilizing tidal energy, providing valuable information for investors, policymakers, companies, and researchers in the field.