The Deepest Oceans

Earth's oceans, ranked by maximum depth.

Earth's five oceans ranked by maximum depth — the Pacific's Mariana Trench reaches the deepest point on the planet.

#	Place	Max depth (ft)
1	Pacific Ocean Earth's largest and deepest ocean	35,876 ft 10,935 m
2	Atlantic Ocean The world's second-largest ocean and great highway of history	27,480 ft 8,376 m
3	Indian Ocean The world's third-largest and warmest ocean	23,917 ft 7,290 m
4	Southern Ocean The youngest-named ocean, encircling Antarctica	23,737 ft 7,235 m
5	Arctic Ocean The smallest and shallowest ocean, capped by sea ice	18,209 ft 5,550 m

Figures are drawn from standard government and reference sources and shown in both imperial and metric units. See each entry for full details and citations. Browse all guides or open the explore map.