Mare Anguis

Serpent Sea

22.6N

67.7E

150.0

Mare Australe

Southern Sea

38.9S

93.0E

603.0

Mare Cognitum

Known Sea 

10.0S

23.1W

376.0

Mare Crisium

Sea of Crises

17.0N

59.1E

418.0

Mare Fecunditatis

Sea of Fecundity

7.8S

51.3E

909.0

Mare Frigoris

Sea of Cold

56.0N

1.4E

1596.0

Mare Humboldtianum

56.8N

81.5E

273.0

Alexander von Humboldt (1769-1859), German natural historian.

Mare Humorum

Sea of Moisture

24.4S

38.6W

389.0

Mare Imbrium

Sea of Showers

32.8N

15.6W

1123.0

Mare Ingenii

Sea of Cleverness

33.7S

163.5E

318.0

Mare Insularum

Sea of Islands

7.5N

30.9W

513.0

Mare Marginis

Sea of the Edge

13.3N

86.1E

420.0

Mare Moscoviense

Sea of Muscovy

27.3N

147.9E

277.0

Mare Nectaris

Sea of Nectar

15.2S

35.5E

333.0

Mare Nubium

Sea of Clouds

21.3S

16.6W

715.0

Mare Orientale

Eastern Sea

19.4S

92.8W

327.0

Mare Serenitatis

Sea of Serenity

28.0N

17.5E

707.0

Mare Smythii

1.3N

87.5E

373.0

William Henry Smyth (1788-1865), British astronomer.

Mare Spumans

Sea of Foam

1.1N

65.1E

139.0

Mare Tranquillitatis

Sea of Tranquility

8.5N

31.4E

873.0

Mare Undarum

Sea of Waves

6.8N

68.4E

243.0

Mare Vaporum

Sea of Vapors

13.3N

3.6E

245.0

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