How do you visit Dalu, Dachen and Shepan Islands?

To Dalu Island, you need to take a ferry at Kanmen Yingdong Dong Dock in Yuhuan.
To Dachen Island, you also need take a ferry at Jiaojiang Port.
To Shepan Island, you need to arrive in Sanmen county first and then head for Shang'ao Port, where there are ferries to the island every half an hour!