The remaining islands are, in order from closest to the mainland, Suriseom (수리섬), Songgotseom (송곳섬), Gulseom (굴섬), and Deungdaeseom (등대섬).

[3] Oryukdo formed through volcanic activity 80 million years ago.

Volcanic rock in the area were weathered away over time, leaving these islands.

It is also a marine protected area and a state-designated cultural heritage site.

[5] The Oryukdo Skywalk is a glass viewing platform positioned on a cliff overlooking the islands which opened in 2013.