From Shenyang, you can take a train or long-distance bus to Dandong City in Liaoning Province. In Dandong City, you can take a ferry to Guapi Island. Guapi Island is located at the mouth of the Yalu River in Liaoning Province. It is an island in the Yalu River. It should be noted that ferry schedules and times may change. It is recommended to check the latest traffic information in advance before traveling.