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Oceans, Seas, Gulfs, Bays & Straits of the World (A-Z)

For each letter of the alphabet, name any Ocean, Gulf, Sea, Bay, or Strait of the world that begins with that letter.
Based upon the name of the body of water excluding any leading "Bay of...," Gulf of...," or "Sea of..."
Mainly sourced from: International Maritime Organization , with some additions.
Based upon the excellent Seas of the World quiz by Gassu
Quiz by
PapaFurchetta
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Last updated: February 18, 2026
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First submittedMarch 31, 2022
Times taken760
Average score61.9%
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Letter
#
Ocean, Sea, Gulf, Bay or Strait
A
14
Adriatic Sea | Aegean Sea | Alboran Sea | Amundsen Sea | Andaman Sea | Arabian Sea | Arafura Sea | Arctic Ocean | Atlantic Ocean | Gulf of Aden | Gulf of Alaska | Gulf of Anadyr | Gulf of Aqaba | Sea of Azov
B
15
Baffin Bay | Balearic Sea | Baltic Sea | Banda Sea | Barents Sea | Bass Strait | Beaufort Sea | Bellinghausen Sea | Bering Sea | Bismarck Sea | Black Sea | Bay of Bengal | Bay of Biscay | Gulf of Boni | Gulf of Bothnia
C
10
Caribbean Sea | Caspian Sea | Celebes Sea | Celtic Sea | Ceram Sea | Chukchi Sea | Cook Strait | Coral Sea | Gulf of California | Gulf of Carpentaria
D
1
Davis Strait
E
3
East China Sea | East Siberian Sea | English Channel
F
3
Flores Sea | Bay of Fundy | Gulf of Finland
G
3
Great Australian Bight | Greenland Sea | Gulf of Guinea
H
3
Halmahera Sea | Hudson Bay | Hudson Strait
I
3
Indian Ocean | Ionian Sea | Irish Sea
J
2
Java Sea | Sea of Japan
K
2
Kara Sea | Kattegat
L
4
Labrador Sea | Laccadive Sea | Laptev Sea | Ligurian Sea
M
8
Gulf of Maine | Gulf of Mexico | Mediterranean Sea | Molukka Sea | Mozambique Channel | Strait of Makassar | Strait of Malacca | Sea of Marmara
N
3
North Sea | Norwegian Sea | Northwestern Passages
O
2
Gulf of Oman | Sea of Okhotsk
P
5
Gulf of Panama | Pacific Ocean | Pechora Sea | Persian Gulf | Philippine Sea
Q
0
None
R
4
Gulf of Riga | Red Sea | Río de la Plata | Ross Sea
S
10
Gulf of St. Lawrence | Gulf of Suez | Salish Sea | San Francisco Bay | Savu Sea | Skagerrak | Solomon Sea | South China Sea | Southern Ocean | Sulu Sea
T
7
Gulf of Thailand | Gulf of Tomini | Gulf of Tonkin | Tasman Sea | Timor Sea | Tokyo Bay | Tyrrhenian Sea
U
0
None
V
0
None
W
2
Weddell Sea | White Sea
X
0
None
Y
1
Yellow Sea
Z
0
None
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6 Comments
PapaFurchetta
+1
Level 94
Feb 18, 2026
Upon further review of the source material, it appears that I missed some pretty significant bodies of water. I will plan to update this quiz in the near future to add many of these. Please leave a comment if there are additional bodies of water you think should be included. Thanks
ajbeck
+2
Level 92
Mar 7, 2024
Great quiz but it's missing a few straits. Namely the Strait of Hormuz, Torres Strait, Strait of Gibraltar, and Strait of Georgia, among a few others.
MnGoblin
+2
Level 71
Sep 30, 2024
Oresund strait as well
Amilcar
+1
Level 73
Feb 25, 2025
Also the Dardanelles - but yes very enjoyable quiz
Alexquiz17
+1
Level 94
Jan 12, 2025
Strait of Tiran.

The Aral Sea is an endorheic lake unconnected to the world sea, but the same goes for the Caspian Sea so it should also be included

lawfam
+1
Level 57
Oct 27, 2025
The Dead Sea could be added
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