Tomb of the Sea
- Title: 沙海 / Sha Hai
- Also know as: Tomb of the Sea; Sand Sea; Desert Sea
- Genre: Adventure, mystery, thriller
- Episodes: 54
- Broadcast network: QQ
- Broadcast period: 2018-Jul-20
- Theme song: Da Mo Jing (大漠经) by Chen Xue Ran 陈雪燃
- Related shows: see Dao Mu Bi Ji
Ordinary high school student, Li Cu, gets attacked by a crazy man, becomes marked with a tattoo carving, and ultimately gets kidnapped by Wu Xie and his companions to accompany them to No Man's Land to find the ancient and forbidden tomb, Gutong Jing. Upon his solo return and amidst a turn of events, Li Cu once again sets off to return to Gutong Jing with Su Wan, Yang Hao, and Liang Wan to unravel the mysteries involving Wu Xie, the Mystic Nine, the 10th Wang family and Gutong Jing.
- Wu Lei as Li Cu
- Qin Hao as Wu Xie
- Zhang Meng as Su Nan
- Yang Rong as Liang Wan
- Ji Chen as Sunglass guy
- Zhu Jie as Wang Meng
- Zhu Jian as Yang Hao
- Wang Hao Xuan as Su Wan
- Yu Kai Ning as Luo Que
- Yu He Wei as Wu San Sheng
- Chen Ming Hao as Wang Pang Zi
- Xiao Yu Liang as Zhang Qi Ling
- GAI as Zheng Yi
- Chen Jia Wen as Shen Qiong
- Gao Yuan as Sister Dan
- Dou Bo Lin as Bai She
- Zhou Rui as Xu Lei
- Wa Er as Kan Jian
- Wu Yu Tong as Huo Xiu Xiu
- Hong Xuan as Yi Nan Feng
- Mao Bu Yi as Xiao Mao, hospital billing clerk
- Kong Song Jin as Huo You Xue
- Zhang Yi Wen as Chen Jin Shui
- Yao Lu as Ma Mao Nian
- Meng A Sai as Director Wang
- Liang Tian as Yang Jing Mi
- Ren Yu as Wang Can
- Liu Chang as Wang Can
- He Long Long as Huo Dao Fu
- Guest appearance
- Original writing (novel):Sand Sea (沙海) by Nan Pai San Shu
- Producer: Fang Fang, Bai Yi Cong
- Director: Zou Xi 邹曦, Mao Kun Yu 毛鲲宇, Li Ze Lu 李泽露
- Screenwriter: Nan Pai San Shu, Tang Qi Cen 汤祈岑, Zhang Yuan Ang
- Filming lasted 113 days beginning on September 15, 2017 and ending on January 9, 2018.
- Filming took place in Wuxi and Yinchuan.
- Wu Xie is the main character of The Lost Tomb series. But in this version, he is older, wiser, more mature and ready for the coming fight.
- The cast and crew filmed in the desert for almost two months.
- Zhang Meng learned that she was pregnant shortly after filming started. She ended up having a miscarriage and returned to film after a week break.
- It hit 100 million views in the first five hours after premiere.
- By its series finale, it has reached 5 billion views.