These 20 Islands Harbour Strange and Mysterious Histories

By Ace Vincent | Published

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Ever dreamed of escaping to a remote island? While most tropical getaways offer pristine beaches and swaying palms, some islands hide darker secrets beneath their paradise façade.

What mysteries lie waiting on these isolated shores, far from the mainland’s watchful eyes? In a world of satellite mapping and constant connectivity, these islands remain wrapped in intrigue.

Here are twenty remarkable islands where reality proves stranger than fiction.

Poveglia, Italy

Panscrub/Flickr

This tiny Venetian island served as a quarantine station during the plague, then became a mental asylum. Local fishermen avoid its waters, claiming the soil is made up of human ashes.

Venetian real estate agents have mastered the art of redirecting conversations when this property comes up.

Oak Island, Nova Scotia

Joanna Atherton/Flickr

Home to the “Money Pit,” a mysterious shaft that has swallowed fortunes and lives in the search for supposed buried treasure. Every attempt to reach the bottom reveals new puzzles.

Local tour guides have perfected the art of ending stories with “… and they are still digging.”

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Hashima Island, Japan

Dodo Ahanu/Flickr

Once the most densely populated place on Earth, this abandoned coal mining island looks like a concrete battleship. Its decaying apartment blocks and empty streets inspired villainous lairs in James Bond films.

Urban explorers consider it the ultimate “do not disturb” sign.

North Sentinel Island, India

Alka Kumari/Flickr

Home to one of the last uncontacted tribes, who greet visitors with arrows rather than leis. The indigenous people have rejected modern civilization for thousands of years.

Local coastguards have the world’s easiest job: nobody wants to visit twice.

Ilha da Queimada Grande, Brazil

Gerry Thomasen/Flickr

Known as Snake Island, it harbors one deadly pit viper per square meter. Scientists need government permission and antivenom supplies to visit.

Local pilots refuse to fly directly over it, just in case.

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Easter Island, Chile

The TerraMar Project’s/Flickr

Famous for its massive stone heads, this remote Pacific island lost its entire tree population and most of its inhabitants to mysterious circumstances. The statues seem to smirk at archaeologists’ competing theories.

Local guides enjoy ending tours with “and we still don’t know how they did it.”

Palmyra Atoll, Pacific Ocean

USFWS/Flickr

This uninhabited island has a history of shipwrecks, disappearances, and supposed curses. Even its coconuts are considered suspicious by sailors.

Weather stations here have an unusually high turnover rate.

Socotra Island, Yemen

Rod Waddington/Flickr

Home to plants that look like they came from another planet, including trees shaped like mushrooms and upside-down umbrellas. Botanists visit and leave, questioning everything they learned in school.

Local children grow up thinking all trees look weird.

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Ilha Fiscal, Brazil

Rodrigo Soldon/Flickr

This gothic castle on an island hosted Brazil’s last imperial ball before the monarchy’s fall. The party lasted until dawn while revolutionaries plotted nearby.

Tour guides call it “the last dance of an empire.”

Miyakejima, Japan

YHila/Flickr

Residents here carry gas masks due to constant volcanic gas emissions. The island’s soundtrack is a regular poison gas alarm.

Local real estate listings include “distance to gas mask distribution point” as a key feature.

Bouvet Island, South Atlantic

Michael Leggero/Flickr

The most remote island in the world once had a mysterious lifeboat appear on it, with no sign of its occupants or ship.

Scientists stationed there probably wish they had fewer ghost stories to share during winter nights.

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Ross Island, India

Ankhur Panchbudhe/Flickr

Once called the “Paris of the East,” this former British settlement is now a ghost town reclaimed by jungle. Trees grow through colonial ballrooms where officers once danced.

Nature’s revenge has never looked so picturesque.

Rottnest Island, Australia

Pedro Szekely/Flickr

Home to quokkas, the world’s happiest-looking marsupials, it harbors a dark past as a prison for Aboriginal people. Tourist brochures focus heavily on cute animals.

Local historians maintain two very different tour scripts.

Sable Island, Canada

Dennis Jarvis/Flickr

Known as the “Graveyard of the Atlantic,” this crescent-shaped sandbar has claimed over 350 ships. Wild horses roam its beaches, descendants of shipwreck survivors.

Insurance companies still get nervous when ships pass nearby.

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Spinalonga, Greece

AK-72/Flickr

Once Europe’s last leper colony, this fortress island housed the “living dead” until 1957. Its beautiful beaches contrast sharply with its haunting history.

Local boat captains tell two very different stories depending on their passengers’ interests.

Daksa, Croatia

Dennis Jarvis/Flickr

This small, uninhabited island near Dubrovnik is considered haunted after mass executions during World War II. Local fishermen claim their nets come up heavier near its shores.

Real estate developers have mysteriously overlooked this prime Mediterranean location.

Rockall, North Atlantic

Peter Morris/Flickr

This tiny granite outcrop has sparked international disputes and solo occupation attempts. It is a rock that countries argue about.

Seabirds are the only ones who have successfully claimed permanent residence.

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Runit Island, Marshall Islands

Kelly Michals/Flickr

Home to a concrete dome containing nuclear waste, locals call it “The Tomb.” Rising sea levels threaten to unleash its contents.

Environmental activists use it as the world’s scariest object lesson.

Deer Island, Mexico

Cordelia Persen/FLickr

This island was once a sacred site for Indigenous people, later transformed into a leper colony, and is now home to thousands of creepy dolls hanging from trees.

Local boatmen cross themselves when passing by at night.

Vozrozhdeniya Island, Kazakhstan

NASA Johnson/FLickr

The former Soviet bioweapons testing site is now a peninsula due to the shrinkage of the Aral Sea. Scientists visit in hazmat suits, while residents prefer to pretend it does not exist.

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Mysteries That Remain

David Stanley/ Flickr

These islands remind us that some places resist easy explanations. Whether harboring dark histories, scientific mysteries, or nature’s strangest creations, they challenge our understanding of the world.

While modern technology has mapped every inch of their shores, their secrets continue to intrigue us, proving that sometimes the most fascinating stories are found on the smallest dots on our maps.

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