Where does the Indian Ocean end and the Pacific Ocean start?

At the southern tip of Tasmania. The actual southern tip is at 43°39' S,146°50' E a few miles from the IHO boundary. Great Circle Mapper If you prefer to consider the Southern Ocean separately, the shaded area is south of 60°. read more

At the southern tip of Tasmania. The actual southern tip is at 43°39' S,146°50' E a few miles from the IHO boundary. Great Circle Mapper If you prefer to consider the Southern Ocean separately, the shaded area is south of 60°. read more

The principal divisions (in descending order of area) are the: Pacific Ocean, Atlantic Ocean, Indian Ocean, Southern (Antarctic) Ocean, and Arctic Ocean. Smaller regions of the oceans are called seas, gulfs, bays, straits, and other names. Geologically, an ocean is an area of oceanic crust covered by water. read more