From Yonhap:

According to the Ministry of Land, Transport and Maritime Affairs, the government has decided to rename Dongdo “Usanbong” and Seodo “Daehanbong,” and use the new names starting Monday in the country’s official maps, textbooks and Internet portals.

I don’t know if any consideration was given to English-speaking audiences, but switching from “Dongdo” to “Usanbong?” Good choice.

And names with “bong” in them will likely appeal to young Westerners.