The Indian Ocean is the world's third largest ocean covering about 20% of water. It is named after India. Skull Island was located in the Indian Ocean.
After World War I, Indiana Jones and Remy Baudouin trailed Zyke from Port Said, Egypt across the Indian Ocean to Batavia, Java in pursuit of the Peacock's Eye.
In 1940, Jones barely escaped an earthquake on an island in the Indian Ocean that was infested with zombies.