There are five oceans on Earth: the Pacific Ocean, the Atlantic Ocean, the Indian Ocean, the Arctic Ocean, and the Southern Ocean.
The Pacific Ocean is the largest and deepest ocean on Earth, covering an area of 63.8 million square miles. The Atlantic Ocean is the second largest, covering an area of 41.1 million square miles. The Indian Ocean is the third largest, covering an area of 28.4 million square miles. The Arctic Ocean is the smallest and shallowest, covering an area of 5.4 million square miles. The Southern Ocean is the newest ocean and is located around Antarctica, covering an area of 20.3 million square miles.