The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about 85,133,000 km². It covers approximately 17% of Earth's surface and about 24% of its water surface area. During the Age of Discovery, it was known for separating the Old World of Africa, Europe, and Asia from the New World of the Americas.
Basin countries: List of bordering countries (not drainage basin), ports
Surface area: 85,133,000 km² (32,870,000 sq mi) · North Atlantic: 41,490,000 km² (16,020,000 sq mi) · South Atlantic 40,270,000 km² (15,550,000 sq mi)
Average depth: 3,646 m (11,962 ft)
Max. depth: Puerto Rico Trench · 8,376 m (27,480 ft)
Water volume: 310,410,900 km³ (74,471,500 cu mi)
Shore length: 111,866 km (69,510 mi) including marginal seas
Islands: List of islands