When we think of tropical islands, images of palm trees, pristine beaches, and crystal-clear waters often come to mind.
Australia, with its vast coastline, offers many famous islands, from the Great Barrier Reef’s coral islands to the rugged beauty of Tasmania.
But there’s a lesser-known, mysterious island west of Australia that holds an intriguing allure for those in search of adventure.
This island is part of the Cocos (Keeling) Islands, located in the Indian Ocean. While this cluster of islands is famous among sailors, divers, and explorers, its mysterious aura still draws curiosity from all over the world.
We’ll explore the Mystery Island West Of Australia, diving into its history, geography, and the unique experiences it offers for travelers.
What is Mystery Island?

While the term “Mystery Island” might conjure images of an undiscovered, remote land, it is actually part of the Cocos (Keeling) Islands—a group of 27 small islands located about 2,750 kilometers (1,700 miles) northwest of Perth, Australia, in the Indian Ocean.
The Cocos (Keeling) Islands are an Australian territory, and Mystery Island is the most well-known of the islands, even though it is uninhabited.
The Cocos (Keeling) Islands are famous for their tropical climate, white sandy beaches, and lush vegetation, making them a sought-after destination for divers and nature enthusiasts.
Despite the island’s popularity with tourists, Mystery Island remains one of the most remote and pristine places in the world.
Geography and Location:
Mystery Island is located in the Indian Ocean, approximately 2,000 kilometers from the northwest coast of Australia. The island itself is only about 1.5 kilometers (0.93 miles) long and less than 1 kilometer wide.
It is part of the larger Cocos (Keeling) Islands territory, which includes the Cocos Islands and West Island, among others.
The island is surrounded by the clear, warm waters of the Indian Ocean, which are teeming with vibrant marine life, making it a prime location for scuba diving, snorkeling, and swimming.
The reef systems that surround the island are home to a rich diversity of corals, fish, and other ocean creatures, offering visitors a chance to explore an underwater world unlike any other.
The History of Mystery Island:

While Mystery Island may seem remote today, it has a fascinating history. The Cocos (Keeling) Islands were first discovered by the British explorer Captain William Keeling in 1609, though the island was not inhabited by humans until the early 19th century.
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Colonization and Settlement: The islands became a British colony in the mid-19th century and were used primarily for coconut plantations. The islands were later sold to the Australian government in 1984.
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World War II: During World War II, the islands were strategically important and were used by the Royal Australian Air Force (RAAF). The islands were involved in military operations, and remnants of these operations, including abandoned bunkers and facilities, can still be found today.
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Modern Day: Today, Mystery Island is mostly uninhabited and remains an environmental reserve. It is not open for permanent settlement, which helps preserve its pristine condition.
The name “Mystery Island” may have come from the fact that it is often overlooked in travel guides, and its remote location adds to its mystique. However, it is now a popular spot for cruise ships, which occasionally stop by on tours to the islands.
The Environment and Wildlife:
Mystery Island is a paradise for nature lovers. With its lush vegetation, vibrant coral reefs, and an abundance of marine life, the island is a haven for those who love the outdoors.
Despite its size, the island supports a range of plant and animal life, from tropical birds to marine creatures.
1. Flora and Fauna:
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Birdwatching: The island is home to various species of birds, including tropicbirds, terns, and frigatebirds, making it an excellent destination for birdwatchers.
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Marine Life: The surrounding waters are home to numerous species of fish, including parrotfish, butterflyfish, and napoleon wrasse. The island is also a favorite spot for sea turtles and dolphins. The vibrant coral reefs around the island offer a haven for divers, who can explore the underwater landscape filled with marine life.
2. Coral Reefs and Diving:
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The reefs around Mystery Island are known for their clear waters and biodiversity, making it one of the most popular spots for scuba diving and snorkeling in the region. Visitors can experience coral gardens, encounter tropical fish, and swim with sea turtles in the crystal-clear waters.
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Tourism and Activities on Mystery Island:
While Mystery Island is uninhabited, it is a favorite stop for cruise ships and day-trippers looking to enjoy a secluded island experience.
The small island offers several activities for visitors to enjoy during their brief stay.
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Snorkeling and Scuba Diving: As mentioned, the coral reefs surrounding the island make it an excellent location for snorkeling and diving. Visitors can explore vibrant coral gardens, swim with tropical fish, and even spot sea turtles.
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Beach Time: The island’s white sandy beaches are perfect for relaxation. Whether you prefer lounging under the sun or enjoying a swim in the warm waters, the beach is a serene retreat.
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Hiking and Exploration: The island is small, but hiking around its perimeter offers beautiful views of the surrounding waters and nearby islands. It’s a great way to stretch your legs and enjoy the peaceful atmosphere.
(Supporting Reference: Tourism Australia – Cocos (Keeling) Islands)
Preserving Mystery Island:
Because Mystery Island is part of the Cocos (Keeling) Islands, efforts are being made to protect its delicate environment.
The Australian government has implemented conservation programs to protect the local wildlife, including marine life and native plants. These programs focus on:
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Environmental Education: Raising awareness about the importance of preserving the natural beauty and biodiversity of the islands.
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Tourism Management: Ensuring that tourism activities are sustainable and do not harm the island’s ecosystems.
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Marine Conservation: Efforts to protect the coral reefs and marine species in the surrounding waters, including restricting certain fishing practices.
(Supporting Reference: Cocos (Keeling) Islands Conservation – Preserving the Islands)
A Hidden Gem in the Indian Ocean:
While Mystery Island may not be the most well-known destination, it remains a hidden gem in the Indian Ocean, offering a blend of natural beauty, historical intrigue, and exciting activities for travelers.
If you’re an adventurer looking to dive into vibrant coral reefs, a nature lover keen on birdwatching, or someone simply seeking peace and tranquility, Mystery Island has something to offer.
Its uninhabited status and remote location make it a perfect escape from the hustle and bustle of modern life.
Thanks for reading.