At least 289 people are missing, many of them teachers and students after their ferry suddenly sank.
Search and rescue teams have been working almost around the clock for the past 24 hours trying to find survivors.
Officials say at least 179 people have been rescued. According to one report, at least seven people are dead.
The ship was on its way to a resort island off the southwest coast of Korea when it ran into trouble.
CNN's Paula Hancock is OutFront in Jindo, South Korea with the latest.