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🏔ïļ Macquarie Island

Science & Nature Australia Oceania

🏔ïļ Macquarie Island
Subantarctic UNESCO World Heritage Site


🕐 2 min read · Updated 1 Apr 2026 at 22:46

UNESCOUNESCO World Heritage Site

📌 Fast Facts
  • Located halfway between Australia and Antarctica at 54°38â€ēS 158°51â€ēE
  • UNESCO World Heritage Site since 1997
  • Exposed section of Macquarie Ridge, formed by Indo-Australian and Pacific plate collision
  • Breeding habitat for millions of seabirds, seals, and elephant seals

Macquarie Island is a subantarctic landmass situated in international waters approximately midway between mainland Australia and Antarctica. Designated a UNESCO World Heritage Site, it represents one of the Southern Ocean's most significant natural reserves, valued for both its geological structure and its role as a breeding ground for subantarctic wildlife. The island's isolation and extreme climate have shaped unique ecosystems found nowhere else on Earth ...

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