The Pacific Ocean contains no continents within its waters. As Earth's largest and deepest ocean, it spans over 63 million square miles—larger than all landmasses combined—but its basin is oceanic crust, not continental crust.
The Pacific is surrounded by four continents:
The Pacific contains over 25,000 islands—more than all other oceans combined—but these are volcanic or coral formations, not continental landmasses. Major island groups include:
Geologists recognize Zealandia as a submerged continental fragment, 94% underwater, with New Zealand and New Caledonia as its visible peaks. While technically continental crust, it's not considered a continent in conventional geographic terms.