Most Populous Atlantic Ocean Islands

Including associated marginal seas, name the Atlantic Ocean islands that have the most people living on them.
Includes associated marginal seas.
Each island has more than 500,000 people
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interopia
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Last updated: December 29, 2025
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First submittedAugust 2, 2020
Times taken1,534
Average score70.0%
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Population
Island
66,344,800
Great Britain
22,278,000
Hispaniola
10,055,968
Cuba
8,063,262
Long Island
7,026,636
Ireland
4,801,468
Sicily
3,203,295
Puerto Rico
2,950,210
Jamaica
2,409,950
Zealand
1,579,181
Sardinia
1,694,251
Manhattan
1,381,459
São Luís
1,267,145
Trinidad
1,268,437
Cyprus
927,993
Tenerife
912,544
Mallorca
852,688
Gran Canaria
760,000
São Vicente
623,065
Crete
522,103
Newfoundland
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14 Comments
+2
Level 90
Dec 19, 2021
+3
Level 69
Aug 11, 2020
Malta island is not in the list because Malta (country) have 514000 inhabitants, 37000 of those in Gozo island.
+3
Level 90
Aug 11, 2020
Just misses the cutoff!
+3
Level 66
Sep 6, 2021
you should make one for other oceans
+3
Level 90
Sep 6, 2021
Good idea! I will if they haven't been done already!
+1
Level 92
Dec 19, 2021
Still waiting on these quizzes please.
+2
Level 90
Dec 19, 2021
I thought you would see I pinned Most Populous Indian Oceans to the top!
+1
Level 90
Dec 17, 2022
+2
Level 59
Sep 6, 2021
São Luís Island in Brazil?
+2
Level 90
Sep 8, 2021
Thanks!
+4
Level 69
Sep 6, 2021
São Vicente Island in Brazil has more than 750 000 people

https://en.wikipedia.org/wiki/S%C3%A3o_Vicente_Island_(S%C3%A3o_Paulo,_Brazil)

+2
Level 90
Sep 8, 2021
Thanks!
+1
Level 47
Jan 14, 2025
Shouldn't Södertörn, Sweden be here as well? It has a population of 520,000+ people and is in the baltic sea.
+1
Level 90
Jan 14, 2025
Ah, interesting! Similar to Peloponnese in Greece and Delmarva in the US, Sodertorn is considered (by Wikipedia anyway) a peninsula and not an island.