Baifu Bay is a reef site located on the west side of Yalong Bay in Sanya, China. The topography is defined by a narrow mountain range extending into the sea, creating a peninsula formation. Diving here requires boat access, with depths ranging down to 22 metres. Conditions vary, and the site is suited for intermediate divers. Water temperatures fluctuate between 24C and 29C throughout the year. As a reef environment, the site offers a marine habitat, though specific species observations are not recorded for this location.

Shuangfan Stone in Lingshui is a marine site featuring both natural reef and artificial reef structures. Located 4000 metres from the shore, this site is accessible only by boat. Divers and snorkellers can explore depths ranging from 5 to 30 metres, with an average depth of 17 metres. Conditions are generally suitable for beginners, with mild currents and visibility typically between 10 and 30 metres. The site is situated within the Xiangshui Bay area and serves as a territorial base point. The habitat supports a variety of reef fish and invertebrates typical of the region. Facilities available at the site include changing rooms, showers, and gear storage.