S
- (Haikou Shi) Shandou
- (Ding'an County) Sanjiu
- (Haikou Shi) Sanjiaolu
- (Haikou Shi) Shigaoling
- (Wenchang Shi) Shanliang
- (Wenchang Shi) Shanya
- (Wenchang Shi) Shima
- (Haikou Shi) Shude
- (Wenchang Shi) Songliucun
- (Chengmai County) Shifu
- (Wanning Shi) Shanniutian
- (Qiongzhong Li and Miao Autonomous County) Shuiyingtian
- (Qionghai County) Sanqu
- (Qionghai County) Sanletang
- (Qiongzhong Li and Miao Autonomous County) Sanjiaoshui
- (Qiongzhong Li and Miao Autonomous County) Shuangwantian
- (Qiongzhong Li and Miao Autonomous County) Shuiyang
- (Qionghai County) Shuangtan
- (Qiongzhong Li and Miao Autonomous County) Shuiqu
- (Danzhou Shi) Sanya
- (Tunchang County) Shangqiong
- (Tunchang County) Sansu
- (Qionghai County) Sanduocun
- (Qionghai County) Shexue
- (Tunchang County) Shilongpo
- (Danzhou Shi) Songmen
- (Ding'an County) Shilushan
- (Danzhou Shi) Shirong
- (Danzhou Shi) Songming
- (Danzhou Shi) Shukai