Snakes appear in almost every corner of the globe, but there are a few places where they’ve never quite managed to gain a foothold. Scientists often cite climate, geography, and human intervention as the main reasons these reptiles remain absent.

Some of these destinations are frigid and windswept, while others maintain rigorous biosecurity rules that make it nearly impossible for a snake to survive or even sneak in.

1) Ireland

The Emerald Isle is known for a famous legend about St. Patrick chasing snakes into the sea. However, modern scholars point to Ireland’s early separation from mainland Europe as the cause.

“Ireland’s separation from mainland Europe occurred before snakes could colonize the region post-Ice Age,” observes Reema Bharti. This natural barrier and relatively cool and damp conditions left the island’s ecosystem free of slithering reptiles. Today, visitors explore Ireland’s dramatic coastal cliffs and rolling green hills without worrying about encountering a viper.

2) Iceland

Cold and isolated in the North Atlantic, Iceland has not been a welcoming place for snakes.

Subarctic weather makes it tough for cold-blooded animals to survive, and strict policies forbid the import of reptiles. As a result, one can wander volcanic landscapes and admire ice-capped vistas, then return home with stories of geysers and waterfalls rather than tales of serpents. Those seeking rugged scenery can take a detour to the Faroe Islands as well.

3) New Zealand

Tectonic shifts isolated these islands long ago, sparing them the wave of reptilian migration that reached neighboring Australia. Authorities in New Zealand enforce strict biosecurity measures, so any uninvited snake is removed swiftly.

This helps protect its rare birds and other species. Adventurers often hike through lush forests or kayak across crystal lakes such as Blue Lake without fear of hidden reptiles.

4) Antarctica

The southernmost continent is too cold for almost any land animal to survive, and snakes are no exception. Its punishing temperatures keep reptiles from establishing a foothold in the region.

Only penguins, seals, and hardy microbes thrive here. Scientists note that snakes, being cold-blooded, couldn’t regulate their body temperature or find enough prey in this icy expanse.

5) Greenland

Much like Antarctica, Greenland’s extreme climate makes living conditions difficult. Little grows on its ice-laden terrain, and winter seems endless.

With such sparse vegetation and freezing winds, snakes face insurmountable challenges. Polar bears and Arctic foxes manage to make a life in Greenland, but reptiles have yet to follow.

6) Hawaii

6) This tropical paradise feels like a haven for wildlife, yet native snakes are absent thanks to strict laws. Local authorities keep a watchful eye since the risk of breeding in the wild remains high. Anyone who brings in snakes risks fines and prison time.

As a result, Hawaii’s bird species remain safer, and travelers can explore its beaches and scan for rare animals without looking for venomous serpents.

7) Maui

A beloved Hawaiian island, Maui offers a similar experience. Tourists hike scenic trails or enjoy the water without worry, and there’s a good reason: laws protect the local ecosystem from invasive reptiles, including snakes. Enthusiasts often trek the storied route of Hawaii’s Stairway to Heaven, grateful their path is as snake-free as the rest of the island.

Though many people breathe easier in snake-free zones, some scientists remind us that snakes are crucial in other regions for balancing rodent populations. Some say that snakes are indispensable because of their vital role in maintaining ecological equilibrium.

Yet for those hoping to avoid them entirely, these seven places offer respite from the serpentine world, each shaped by history, geography, or strict regulation, and each providing a fascinating study in what happens when an entire part of nature is simply absent.