This name's meaning was potentially translated into Hanja as Deokmuldo (덕물도; 德勿島), and eventually to its final name.

Most people live ont he southeastern part of the island; this is where the local administrative office is as well.

[1] The island is situated 70 km (43 mi) northwest of Incheon's Yeon'an Pier.

On the west side there is a beach with hotels, min-baks (rooms for rent in personal homes) yeong-wons (guesthouses, the lowest of the accommodation selections) and restaurants.

The boat leaves at different times in the morning, depending on the tides.