Spoiler warning: this post explains the full ending of Twenty Thousand Leagues Under the Seas. If you have not finished the book, stop here and come back later.
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Quick answer: After ten months as prisoners aboard Captain Nemo's submarine, the Nautilus, Professor Aronnax, his servant Conseil and the harpooner Ned Land escape in a small boat as the ship is caught in the Maelstrom off Norway. They wake up on a Norwegian island, and no one knows whether Nemo and the Nautilus survived.
Quick facts
– Book: Twenty Thousand Leagues Under the Seas by Jules Verne
– First published: 1870
– Type: A science fiction adventure novel
– Tone of the ending: Mysterious
Table of Contents
What Leads Up to the Ending
In 1866 a mysterious sea monster is attacking ships. Aronnax joins an American expedition to hunt it. The “monster” turns out to be the Nautilus, a submarine commanded by the brilliant, bitter Captain Nemo, who takes the three men prisoner. They travel the world's oceans, seeing coral forests, Atlantis and the South Pole.
What Happens at the End of Twenty Thousand Leagues Under the Seas
Nemo grows darker after the Nautilus sinks a warship from the nation he hates, killing everyone on board. Aronnax sees him weeping before a portrait of his wife and children. Ned insists on escaping. As they launch the small boat, the Nautilus is pulled into the Maelstrom. The three men are knocked unconscious and wake ashore in the Lofoten Islands. Aronnax hopes Nemo survived and found peace.
The Ending in 4 Quick Points
- The three men escape.
- Nemo's fate is unknown.
- Nemo's revenge reveals his grief.
- The sequel explains more.
What Happens to the Main Characters
| Character | What happens to them |
|---|---|
| Professor Aronnax | Escapes |
| Ned Land | Escapes |
| Conseil | Escapes |
| Captain Nemo | Fate unknown |
What the Ending Means
The ending leaves Nemo as a mysterious, tragic figure.
Other Ways to Read the Ending
Verne later revealed Nemo's identity and backstory in The Mysterious Island. Some readers see Nemo as a freedom fighter against empire, others as a man consumed by grief and revenge.
Themes the Ending Brings Together
Science. The Nautilus represents technology.
Freedom. The prisoners seek freedom.
Revenge. Nemo's hatred drives him.
Is the Ending Happy or Sad?
Most readers describe the ending of Twenty Thousand Leagues Under the Seas as mysterious. How you feel about it usually depends on what you hoped for the characters and what you expected Jules Verne to do with the story, so it is worth asking friends how they felt before you compare notes.
Who Will Like This Ending
Readers who enjoy endings that are mysterious will find a lot to talk about here. If you prefer every thread tied up neatly, it helps to know in advance how Jules Verne closes the story, which is exactly why many readers look it up. Either way, the final chapters reward a second look once you know where everything is heading, because small details from the middle of the book start to matter. If you are reading with a group, agree beforehand whether everyone has finished, so nobody has the last chapters spoiled.
Book Versus Adaptation
The 1954 Disney film ends with Nemo destroying his island base and the Nautilus sinking.
Discussion Questions About the Ending
If you are reading Twenty Thousand Leagues Under the Seas with a book club or a friend, these questions work well once everyone has finished:
- Did the ending surprise you, or had you seen it coming from the first chapters?
- What does the final scene say about science, and do you agree with Jules Verne's view?
- Which character made the most important choice in the last part of the book, and was it the right one?
- How would the story feel if it had ended one chapter earlier or one chapter later?
- Does the ending leave you hopeful about the characters, or do you worry about what comes next?
- Would you describe the ending as mysterious, or would you choose a different word?
How to Read the Final Chapters Again
- Compare the opening with the close. Look at how the first chapter introduces science and how the ending answers it.
- Track each final choice. The table above shows where every main character ends up, so ask which of those outcomes was earned.
- Notice what Jules Verne leaves unsaid. Gaps in the last pages are often deliberate, and they are where most of the debate about the ending begins.
- Listen for echoes. Images, phrases or settings from earlier in Twenty Thousand Leagues Under the Seas often return in the final scene with a new meaning.
Questions to Ask Yourself After Finishing
- Was the ending of Twenty Thousand Leagues Under the Seas earned by what came before it, or did it feel sudden?
- Which character's final moment affected you most, and why?
- If you could change one thing about the last chapters, what would it be?
- Did the ending change how you think about the opening pages?
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Books to Read After Twenty Thousand Leagues Under the Seas
- The Mysterious Island by Jules Verne
- Journey to the Center of the Earth by Jules Verne
Related: Twenty Thousand Leagues Under the Seas by Jules Verne: Summary and Key Takeaways · 15 Books Like Twenty Thousand Leagues Under the Seas You’ll Love
Frequently Asked Questions
What happens at the end of Twenty Thousand Leagues Under the Seas?
After ten months as prisoners aboard Captain Nemo's submarine, the Nautilus, Professor Aronnax, his servant Conseil and the harpooner Ned Land escape in a small boat as the ship is caught in the Maelstrom off Norway. They wake up on a Norwegian island, and no one knows whether Nemo and the Nautilus survived.
Is the ending of Twenty Thousand Leagues Under the Seas happy or sad?
Most readers call it mysterious.
What does the ending of Twenty Thousand Leagues Under the Seas mean?
The ending leaves Nemo as a mysterious, tragic figure.
Is the ending of Twenty Thousand Leagues Under the Seas the same in the adaptation?
The 1954 Disney film ends with Nemo destroying his island base and the Nautilus sinking.
Who wrote Twenty Thousand Leagues Under the Seas and when was it published?
Twenty Thousand Leagues Under the Seas was written by Jules Verne and first published in 1870.
Is Twenty Thousand Leagues Under the Seas worth reading if I already know the ending?
Yes, especially if you enjoy science fiction adventure novels. Knowing the ending can make a first read richer, because you notice how Jules Verne prepares for it from the opening chapters.
Should I read Twenty Thousand Leagues Under the Seas before reading the ending explained?
Yes, if you plan to read it, because this post gives away the whole ending.