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List of maria on the Moon

Lunar nearside with major maria and craters labeled

This is a list of maria (singular mare) on the Moon.

It also includes the one oceanus and the features known by the names lacus, palus and sinus.

Maria and Oceanus

Lunar Maria

Latin Name

English Name

Lat.

Long.

Diameter

Mare Anguis

Serpent Sea

22.6° N

67.7° E

150 km

Mare Australe

Southern Sea

38.9° S

93.0° E

603 km

Mare Cognitum

Sea That Has Become Known or Known Sea

10.0° S

23.1° W

376 km

Mare Crisium

Sea of Crises

17.0° N

59.1° E

418 km

Mare Fecunditatis

Sea of Fertility

7.8° S

51.3° E

909 km

Mare Frigoris

Sea of Cold

56.0° N

1.4° E

1596 km

Mare Humboldtianum

Sea of Alexander von Humboldt

56.8° N

81.5° E

273 km

Mare Humorum

Sea of Moisture

24.4° S

38.6° W

389 km

Mare Imbrium

Sea of Showers or Sea of Rains

32.8° N

15.6° W

1123 km

Mare Ingenii

Sea of Ingenuity

33.7° S

163.5° E

318 km

Mare Insularum

Sea of Islands

7.5° N

30.9° W

513 km

Mare Marginis

Sea of the Edge

13.3° N

86.1° E

420 km

Mare Moscoviense

Sea of Muscovy

27.3° N

147.9° E

277 km

Mare Nectaris

Sea of Nectar

15.2° S

35.5° E

333 km

Mare Nubium

Sea of Clouds

21.3° S

16.6° W

715 km

Mare Orientale

Eastern Sea

19.4° S

92.8° W

327 km

Mare Serenitatis

Sea of Serenity

28.0° N

17.5° E

707 km

Mare Smythii

Sea of William Henry Smyth

1.3° N

87.5° E

373 km

Mare Spumans

Foaming Sea

1.1° N

65.1° E

139 km

Mare Tranquillitatis

Sea of Tranquility

8.5° N

31.4° E

873 km

Mare Undarum

Sea of Waves

6.8° N

68.4° E

243 km

Mare Vaporum

Sea of Vapors

13.3° N

3.6° E

245 km

Oceanus Procellarum

Ocean of Storms

18.4° N

57.4° W

2568 km

There was also a region on the Lunar farside that was briefly misidentified as a mare and named Mare Desiderii (Sea of Dreams). It is no longer recognized. Other former maria include:

Mare Parvum ("Small Sea"), immediately to the east of Inghirami

Mare Incognitum ("Unknown Sea")

Mare Novum ("New Sea"), northeast of Plutarch

Mare Struve ("Struve's Sea"), near Messala

Lacus

A related set of features are the Lunar lacus (singular lacus, Latin for "lake"), which are smaller basaltic plains of similar origin:

Lunar Lacus

Latin Name

English Name

Lat.

Long.

Diameter

Lacus Aestatis

Lake of Summer

15.0° S

69.0° W

90 km

Lacus Autumni

Lake of Autumn

9.9° S

83.9° W

183 km

Lacus Bonitatis

Lake of Goodness

23.2° N

43.7° E

92 km

Lacus Doloris

Lake of Sorrow

17.1° N

9.0° E

110 km

Lacus Excellentiae

Lake of Excellence

35.4° S

44.0° W

184 km

Lacus Felicitatis

Lake of Happiness

19.0° N

5.0° E

90 km

Lacus Gaudii

Lake of Joy

16.2° N

12.6° E

113 km

Lacus Hiemalis

Lake of Winter

15.0° N

14.0° E

50 km

Lacus Lenitatis

Lake of Softness

14.0° N

12.0° E

80 km

Lacus Luxuriae

Lake of Luxury

19.0° N

176.0° E

50 km

Lacus Mortis

Lake of Death

45.0° N

27.2° E

151 km

Lacus Oblivionis

Lake of Forgetfulness

21.0° S

168.0° W

50 km

Lacus Odii

Lake of Hatred

19.0° N

7.0° E

70 km

Lacus Perseverantiae

Lake of Perseverance

8.0° N

62.0° E

70 km

Lacus Solitudinis

Lake of Solitude

27.8° S

104.3° E

139 km

Lacus Somniorum

Lake of Dreams

38.0° N

29.2° E

384 km

Lacus Spei

Lake of Hope

43.0° N

65.0° E

80 km

Lacus Temporis

Lake of Time

45.9° N

58.4° E

117 km

Lacus Timoris

Lake of Fear

38.8° S

27.3° W

117 km

Lacus Veris

Lake of Spring

16.5° S

86.1° W

396 km

Sinus and Paludes

A related set of features are the sinus (singular sinus, Latin for "bay") and paludes (singular palus, Latin for "marsh"):

Lunar Sinus and Paludes

Latin Name

English Name

Lat.

Long.

Diameter

Palus Epidemiarum

Marsh of Epidemics

32.0° S

28.2° W

286 km

Palus Putredinis

Marsh of Rot

26.5° N

0.4° E

161 km

Palus Somni

Marsh of Sleep

14.1° N

45.0° E

143 km

Sinus Aestuum

Seething Bay

10.9° N

8.8° W

290 km

Sinus Amoris

Bay of Love

18.1° N

39.1° E

130 km

Sinus Asperitatis

Bay of Roughness

3.8° S

27.4° E

206 km

Sinus Concordiae

Bay of Harmony

10.8° N

43.2° E

142 km

Sinus Fidei

Bay of Trust

18.0° N

2.0° E

70 km

Sinus Honoris

Bay of Honor

11.7° N

18.1° E

109 km

Sinus Iridum

Bay of Rainbows

44.1° N

31.5° W

236 km

Sinus Lunicus

Lunik Bay

31.8° N

1.4° W

126 km

Sinus Medii

Bay of the center

2.4° N

1.7° E

335 km

Sinus Roris

Bay of Dew

54.0° N

56.6° W

202 km

Sinus Successus

Bay of Success

0.9° N

59.0° E

132 km

 

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