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Giant Aldabra tortoise close up on Prison Island with the ocean behind

Island Tours

Prison Island

4.7 (152 reviews)Changuu Island, Stone TownAbout 4 hours1 – 14 guests per boat

Changuu — usually called Prison Island — was built as a prison, used as a quarantine station, and is now home to a sanctuary of Aldabra giant tortoises, some of them well over a century old.

Your guide walks you through the island's history, then leaves you time to feed the tortoises, swim off the small beach and snorkel over the reef edge.

Highlights

  • Feeding and photographing the giant tortoises
  • Guided walk through the quarantine ruins
  • Snorkeling straight off the island beach
  • Great half-day option before or after a flight

What's included

  • Stone Town pick-up
  • Boat and crew
  • Guide
  • Snorkeling gear
  • Drinking water

Not included

  • Island entrance fee (paid on arrival)
  • Lunch
  • Tips

Itinerary

  1. 09:30

    Jetty departure

    Boat leaves Stone Town for the 30-minute crossing.

  2. 10:00

    Tortoise sanctuary

    Meet and feed the Aldabra tortoises with a keeper.

  3. 11:00

    History walk

    The quarantine station, prison building and colonial ruins.

  4. 11:45

    Beach and snorkel

    Free time to swim and snorkel off the island.

  5. 13:00

    Return

    Back at the Stone Town jetty.

Meeting point & pick-up

Forodhani Gardens jetty, Stone Town. Hotel pick-up available in Stone Town.

Important information

  • • The island entrance fee is collected at the gate in cash.
  • • Wear shoes you can walk in — the ruins are uneven.

Questions about this tour

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