Do I Need to Study Korean in Korea?
You can get by in Korea as an English speaker and never learn Korean. Plenty of people have done it and have lived in Korea for many years.
Rest assured, you likely won’t starve or get stranded.
If you live in a big city such as Seoul or Busan, there will be more English speakers than in the countryside. On the whole, people in these areas can communicate in English better, even if it’s limited.
Your reasons why you’re in Korea will help you decide how much you’ll actually need to be studying Korean.