Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean in the south and is bounded by the continents of Asia and Australia in the west and the Americas in the east. Area: 165.2 million km² Mean depth: 4,280 m Water volume: 710,000,000 km3 (170,000,000 cu mi) Islands: Bora Bora, Tahiti, Te Ika-a-Māui / North Island, Rarotonga, Jarvis Island, more Bridges: Onahama Marine Bridge At 165,250,000 square kilometers (63,800,000 square miles) in the area (as defined with a southern Antarctic border), this largest division of the World Ocean—and, in turn, the hydrosphere—covers about 46% of Earth's water surface and about 32% of its total surface area, larger than all of Earth's land area combined (148,000,000 square kilometers). The centers of both the Water Hemisphere and the Western Hemisphere are in the Pacific Ocean. Ocean circulation (caused by the Coriolis effect) subdivides ...