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Meridiela.

Prison Island

A tiny lagoon islet off Home Island, used as a snorkelling stop.

Updated 3 September 2026

Typeislet
WhereCocos Lagoon
Nearest cityHome Island
Best seasonApril to October
Time to allowHalf a day
Getting thereIn the lagoon near Home Island; small boat only
EntryBoat charged

Prison Island is a very small patch of sand and coral rubble in the lagoon a short distance off Home Island, with a few palms on it and reef around the edges. The name records its use in the plantation era as a place to isolate people, and the story is part of what local boat operators tell. It is now a snorkelling and picnic stop, and it takes only minutes to walk around.

Highlights

  • The reef edge - the coral around the islet used for snorkelling.
  • The size - an islet a few minutes' walk around.
  • The palms - the handful of trees on the sand.
  • The lagoon setting - shallow water on all sides.

When to go

April to October is drier with steadier trade winds. Boat access depends on lagoon conditions. The wet season brings heavier weather.

What to expect

It is extremely small and there is nothing there beyond sand and palms. Access is by charter boat only and must be arranged. There are no facilities and no shade to speak of.

Nearby

Home Island is nearby, and Direction Island is north.

What to pack for Prison Island

Chosen from what this place is for. Tap a kit for the full checklist.

  • Broken-in walking shoes or boots - Grip and ankle support matter more than looks; never hike in brand-new boots. Find on Amazon
  • Reef-safe sunscreen - High SPF that will not bleach the coral you are swimming over. Find on Amazon
  • Your own mask + snorkel - A well-fitting mask is the single biggest comfort upgrade underwater. Find on Amazon
  • Layers + a waterproof shell - Mountain weather turns fast; a packable rain jacket saves the day. Find on Amazon

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All packing kits

Plan your trip

Where to start if Prison Island is going on the list.

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Opening times, ticket prices and seasonal closures change - check the official source before you go: official site.

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