- 上海市 shànghǎishì ShanghaiShanghai municipality; China's largest city and a major global financial and trade center located at the mouth of the Yangtze River
- 珠海市 zhūhǎishì ZhuhaiZhuhai, a prefecture-level city in Guangdong Province [[广东省|廣東省|guang3 dong1 sheng3]]
- 北海市 běihǎishì Beihai cityBeihai, a prefecture-level city in the [[广西壮族自治区|廣西壯族自治區|guang3 xi1 zhuang4 zu2 zi4 zhi4 qu1]]
- 海市蜃楼 hǎishìshènlóu mirage(idiom) an optical illusion of distant scenery in the air or on the ground; often used to describe things that are illusory, unreal, or unattainable
- 威海市 wēihǎishì WeihaiWeihai, a prefecture-level city in Shandong Province [[山东省|山東省|shan1 dong1 sheng3]]
- 琼海市 qiónghǎishì QionghaiQionghai City, a county-level city in eastern Hainan province
- 临海市 línhǎishì LinhaiLinhai, a county-level city in Zhejiang province, administered by [[台州|台州|tai1 zhou1]]
- 乌海市 wūhǎishì WuhaiWuhai, a prefecture-level city in the [[内蒙古自治区|內蒙古自治區|nei4 meng3 gu3 zi4 zhi4 qu1]] in northern China
- 凌海市 línghǎishì Linghai CityLinghai, a county-level city in [[锦州市|錦州市|jin3 zhou1 shi4]], Liaoning
- 蜃楼海市 shènlóuhǎishì miragea mirage; something that is illusory or imaginary
- 海市蜃景 hǎishìshènjǐng mirageoptical illusion caused by atmospheric conditions, typically in deserts or over bodies of water