A few of us are going to be in XiaoLiuQiu during dragon boat festival. Boat diving is booked out, but still some great shore diving to be had. Dragon boat festival is from 9th ~ 13th if you are going to be there at that time look us up.
Try contacting fishbone as he lives on the island during the weekends. We will also be diving out of Green Sea Turtle Diving center.
If you catch a later train down south, you can stay at The Way hostel, we always stay here, it is a great little hostel. It allows you to catch the early ferry.
It is located right in DongGang, walking distance to the ferry (15mins) or Sofia the owner can help organize a taxi.
It is new, clean and very comfortable. They have a small bar on the ground level where you can have a relaxing drink before bed. Dorm beds run from NT$450 ~ 550. They also have a private room for NT$1300