The continent known for having the longest coastline is North America. It boasts an extensive coastline that stretches over 24,000 kilometers (approximately 15,000 miles), primarily due to its numerous islands, bays, and peninsulas. Countries like Canada have some of the longest coastlines, especially along its Pacific and Atlantic coasts. The coastal regions are vital for biodiversity, trade, and tourism, contributing significantly to the continent’s economy. Additionally, they offer rich ecosystems, including marine life, coastal forests, and critical habitats for various species, emphasizing their ecological importance.