In 2000, the island was incorporated into the Northeast and Yilan Coast National Scenic Area as a maritime ecological park and officially reopened to tourists.

Currently, it is managed as a tourist destination and natural conservation area, but there are restrictions on visitors numbers due to environmental protection.

It has an area of 2.841 square kilometers (1.097 sq mi), and the highest point reaches 361 m (1,184 ft) above sea level.

[1][11] An endemic species of crab, Xenograpsus testudinatus feeds on sulfur and lives around underwater hot springs of the island.

The application must be completed and shipping agreed with local ferry owners at least one week prior to the visiting date.