Guess the Isthmus

An isthmus is a narrow piece of land connecting two larger areas across an expanse of water by which they are otherwise separated. Can you guess this isthmuses (or isthmi) given the two landmasses they connect or the two bodies of water they divide?
And isthmus could divide a lake from a sea or two lakes from eachother
In some hints you are given two landmasses, in other you are given two bodies of water. Sometimes you are simply given "mainland" too
No need to enter "isthmus of" every time, every answer has a type-in without "isthmus"
Last one is just logical thinking
Quiz by
Albrik
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Last updated: February 13, 2026
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First submittedFebruary 13, 2026
Times taken10
Average score40.0%
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Answer
Central America
South America
Isthmus of Panama
Mediterranean Sea
Red Sea
Isthmus of suez
Peloponnese
Mainland
Isthmus of Corinth
Gulf of Finland
Lake Ladoga
Karelian Isthmus
Andaman Sea
Gulf of Thailand
Kra Isthmus
North America
Central America
Isthmus of Tehuantepec
Tyrrhenian Sea
Ionian Sea
Isthmus of Catanzaro
Crimea
Mainland
Isthmus of Perekop
Nova Scotia
Mainland
Isthmus of Chigneto
Bird's Head
New Guinea («Bird's Body»)
Bird's Neck Isthmus
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