This is also known as secret beach because of its hidden location and it is tricky to find. If you go during a weekday there will likely be nobody else there. It’s a little way past Xiaomeisha but worth the extra effort. After you have finished you can check out the Yantian Ocean Greenway Shenzhen
Early in the morning there can be some trash around but if you wait it is usually cleaned up by staff. Also this water is seaweed heavy so be warned.
There are some rocks you can climb over and some abandoned buildings you can explore.
Get a didi or taxi to Beizaijaio bus stop. It can be found easily on didi English