Islands Below Sea Level

Can you name the islands of the world that have elevations below sea level?
NOT including islands within rivers or lakes
Note: It is very likely I missed some. Check the pinned comment if you want to try to find more.
Quiz by
TurkeyCookTime
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Last updated: June 2, 2025
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First submittedJune 2, 2025
Times taken8
Average score62.5%
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Lowest
elev. (ft)
Answer
Lowest
elev. (m)
-148
Hispaniola
-45
-23
Zealand
-7
-13
Honshu
-4
-13
Flevopolder
-4
Lowest
elev. (ft)
Answer
Lowest
elev. (m)
-10
Ireland
-3
-10
Great Britain
-3
-7
South Island
-2
-0.7
Lagos Island
-0.2
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1 Comments
+1
Level 85
Jun 2, 2025
If you want to see if you can find more islands with elevations below sea level, check these countries and regions:

Algeria, Antarctica, Argentina, Australia, Belgium, China, Denmark, Djibouti, Dominican Republic, Egypt, Eritrea, France, Germany, Greece, India, Iran, Ireland, Israel, Italy, Japan, Jordan, Libya, Lithuania, Mauritania, Mexico, Morocco (incl Western Sahara), Netherlands, New Zealand, Nigeria, Palestine, Peru, Poland, Qatar, Russia, Saudi Arabia, Sweden, Syria, Tunisia, Ukraine, United Kingdom, United States, Venezuela.

These are the countries and regions that are both coastal and have elevations below sea level, meaning any islands on this quiz must come from here.