| 宽吻海豚 | kuān wěn hǎi tún | bottle-nosed dolphin (Tursiops truncatus) |
| 对马海峡 | Duì mǎ hǎi xiá | Strait of Tsushima, between Japan and South Korea |
| 山海关区 | Shān hǎi guān qū | Shanhaiguan district of Qinhuangdao city 秦皇岛市, Hebei |
| 山珍海味 | shān zhēn hǎi wèi | exotic delicacies; luxury foodstuff from distant locations |
| 山珍海错 | shān zhēn hǎi cuò | rarities from the mountain and the sea (idiom); fig. a sumptuous spread of food delicacies |
| 山盟海誓 | shān méng hǎi shì | to pledge undying love (idiom); oath of eternal love; to swear by all the Gods |
| 山高海深 | shān gāo hǎi shēn | high as the mountain and deep as the sea (idiom); fig. infinite bounty |
| 岩沙海葵毒素 | yán shā hǎi kuí dú sù | palytoxin |
| 巴伦支海 | Bā lún zhī Hǎi | Barents Sea |
| 巴士海峡 | Bā shì hǎi xiá | Bashi Channel between south Taiwan and Luzon Island, north the Philippines |
| 布里斯托尔海峡 | Bù lǐ sī tuō ěr hǎi xiá | Bristol channel in southwest England |
布鲁克海文国家实
验室 | bù lǔ kè hǎi wén guó jiā shí yàn shì | Brookhaven National Laboratory |
| 布鲁克海文实验室 | bù lǔ kè hǎi wén shí yàn shì | Brookhaven National Laboratory |
| 帝汶海 | Dì wèn Hǎi | Timor Sea |
| 底锡斯海 | Dǐ xī sī hǎi | Thetys (hypothetical ocean between Africa and Eurasia in geological history) |
库尔特・瓦尔德海
姆 | Kù ěr tè · Wǎ ěr dé hǎi mǔ | Kurt Waldheim (1918-2007), Austrian diplomat and politician, Secretary-General of UN 1972-1981, President of Austria 1986-1992 |
| 广东海洋大学 | Guǎng dōng Hǎi yáng Dà xué | Guangdong Ocean University |
| 恨海难填 | hèn hǎi nán tián | sea of hatred is hard to fill (idiom); irreconcilable division |
| 爱奥尼亚海 | Ài ào ní yà hǎi | Ionian sea between Italy and Greece |
| 爱尔兰海 | Ài ěr lán hǎi | Irish sea between Ireland and north England |
| 爱琴海 | Ài qín hǎi | Aegean sea |
| 拔海 | bá hǎi | elevation (above sea level) |
| 扬名四海 | yáng míng sì hǎi | known throughout the country (idiom); world-famous |
| 放之四海而皆准 | fàng zhī sì hǎi ér jiē zhǔn | appropriate to any place and any time (idiom); universally applicable; a panacea |
| 文山会海 | wén shān huì hǎi | a mountain of paperwork and a sea of meetings (idiom) |
| 文江学海 | wén jiāng xué hǎi | river of literacy, sea of learning (idiom); ars longa, vita brevis |
| 斑海豹 | bān hǎi bào | spotted seal (Phoca largha) |
| 斯文・海定 | Sī wén · Hǎi dìng | Sven Hedin (1865-1952), famous Swedish adventurer and archaeologist, whose 1894-1900 Central Asian expeditions uncovered Kroraina or Loulan 楼兰; also written 斯文·赫定 |
| 新海峡时报 | Xīn Hǎi xiá Shí bào | New Strait Times (newspaper) |
| 星宿海 | Xīng xiù hǎi | Xingxiuhai, high plateau in Qinhai close to the source of the Yellow River |
| 曼海姆 | Màn hǎi mǔ | Mannheim, German city at the confluence of Rhine and Neckar |
| 曾经沧海 | céng jīng cāng hǎi | lit. once experienced the vast ocean(idiom); fig. widely experienced in the vicissitudes of life; cf to have known the world |
曾经沧海难为水，
除却巫山不是云 | céng jīng cāng hǎi nán wéi shuǐ ,
chú què Wū shān bù shì yún | there are no rivers to one who has crossed the ocean, and no clouds to one who has passed Mount Wu (idiom); one who has seen the world doesn't stop at small things |
| 朝鲜海峡 | Cháo xiǎn hǎi xiá | Korea strait; Tsushima straits (between Japan and Korea) |
| 东中国海 | Dōng Zhōng guó Hǎi | East China sea |
| 东海岸 | Dōng hǎi àn | East Coast |
| 东海县 | Dōng hǎi xiàn | Donghai county in Lianyungang 连云港, Jiangsu |
| 东海舰队 | Dōng hǎi Jiàn duì | East Sea Fleet |
| 柔佛海峡 | Róu fó hǎi xiá | Straits of Johor between the Malaysian peninsula and Singapore |
| 桑海 | Sāng hǎi | Songhay people of Mali and the Sahara |
| 栈山航海 | zhàn shān háng hǎi | to have a long and hard journey (idiom) |
| 森海塞尔 | Sēn hǎi sè ěr | Sennheiser (brand) |
| 业海 | yè hǎi | sea of evil; endless crime |
| 欲海 | yù hǎi | ocean of lust (Buddhist term); worldly desires |
| 死海 | Sǐ Hǎi | the Dead Sea |
| 死海古卷 | Sǐ hǎi gǔ juàn | Dead Sea Scrolls |
| 死海经卷 | Sǐ hǎi jīng juàn | Dead Sea Scrolls |
| 民答那峨海 | Mín dā nà é Hǎi | Mindanao Sea |
| 江河湖海 | jiāng hé hú hǎi | rivers and lakes |
| 江海 | Jiāng hǎi | Jianghai district of Jiangmen city 江门市, Guangdong |
