Prison Island Tour from Zanzibar – Half-Day Boat Trip with Tortoise Viewing
Embark on an unforgettable half-day adventure to Prison Island (Changuu Island) from Zanzibar. Meet giant Aldabra tortoises, snorkel vibrant coral reefs, and explore historical prison ruins with a local guide.
Book Your Tour NowPrison Island Tour Highlights
- Duration: Approximately 3–4 Hours
- Destination: Changuu Island (Prison Island), 5.6 km from Stone Town
- Main Focus: Giant tortoise sanctuary, snorkeling, historical prison ruins
- Tour Style: Guided boat trip with small groups
- Best Time to Go: Year-round, with ideal conditions from June to October
- Ideal For: Families, nature lovers, history enthusiasts, and snorkeling fans

Prison Island Tour Overview
The Prison Island Tour from Zanzibar is a perfect half-day escape blending history, wildlife, and adventure. Also known as Changuu Island, this tropical gem lies just 30 minutes by boat from Stone Town. Famous for its giant Aldabra tortoises, vibrant coral reefs, and historical prison ruins, the island offers a unique experience for travelers of all ages.
Your guided tour includes a scenic boat ride, a visit to the tortoise sanctuary where you can interact with these gentle giants, snorkeling in crystal-clear waters teeming with marine life, and a walk through the island’s historic prison, which once served as a quarantine station. With expert guides sharing fascinating stories, this tour is both educational and entertaining.
Whether you’re a nature enthusiast, history buff, or simply seeking a relaxing day trip, the Prison Island Tour delivers an unforgettable Zanzibar adventure.
Prison Island Tour Itinerary
Join our expertly crafted half-day tour to Prison Island for a mix of wildlife, history, and aquatic adventure. Here’s what to expect on this immersive journey:
Start: Departure from Stone Town
Meet your guide at the designated pickup point in Stone Town. Board a comfortable dhow or motorized boat for a scenic 30-minute ride to Prison Island, enjoying views of Zanzibar’s coastline.
Mid-Morning: Giant Tortoise Sanctuary
Arrive at Changuu Island and visit the famous tortoise sanctuary. Meet giant Aldabra tortoises, some over 100 years old, and learn about their conservation. Feed them and take photos under the guidance of your expert.
Late Morning: Snorkeling Adventure
Dive into the turquoise waters surrounding Prison Island for a snorkeling session. Explore vibrant coral reefs and spot tropical fish like parrotfish and angelfish. Snorkeling gear and safety instructions are provided.
Early Afternoon: Historical Prison Exploration
Walk through the ruins of the old prison, originally built in 1893 as a quarantine station. Your guide will share stories about its history, including its role in Zanzibar’s maritime past.
End: Return to Stone Town
Enjoy a relaxing boat ride back to Stone Town, arriving with plenty of time to explore more of Zanzibar or relax at your hotel. Your guide will provide recommendations for dining or further activities.
Prison Island Tour at a Glance
Why You’ll Love This Tour
- Unique Wildlife Encounter: Interact with giant Aldabra tortoises, a rare and memorable experience.
- Stunning Snorkeling: Swim in crystal-clear waters with vibrant coral reefs and diverse marine life.
- Rich History: Explore the island’s prison ruins and learn about Zanzibar’s fascinating past.
- Perfect for All Ages: Family-friendly activities with a relaxed pace and safe environment.
Key Facts & Figures
Metric | Details |
---|---|
Distance from Stone Town | 5.6 km (30-minute boat ride) |
Tour Duration | 3–4 hours |
Group Size | 2–12 people (private or small group) |
Tortoise Population | Over 50 giant Aldabra tortoises |
Snorkeling Time | 45–60 minutes |
Best Months to Visit | June–October (dry season) |
Prison Island Tour Gallery



Explore Prison Island from Zanzibar
Watch the highlights of this half-day boat trip, from tortoise encounters to snorkeling and historical exploration.
What to Bring for the Best Prison Island Tour Experience
- Swimwear and towel: Essential for snorkeling in the island’s clear waters
- Sun protection: Sunscreen, hat, and sunglasses to shield against the tropical sun
- Reusable water bottle: Stay hydrated during the boat trip and island exploration
- Comfortable shoes: For walking through the island’s paths and ruins
- Camera or smartphone: Capture the tortoises, marine life, and historical sites
- Light cover-up: For sun protection and comfort after snorkeling
- Cash: For optional purchases like souvenirs or tips for the guide
Prison Island Tour – Price & Customization Options
Discover the wonders of Prison Island with our affordable and flexible tour packages. Perfect for solo travelers, families, or groups seeking a half-day adventure from Zanzibar.
1 Person (Private Tour)
From $60 per person
- Private boat and guide
- Flexible itinerary tailored to your pace
- Hotel pickup & drop-off in Stone Town
- Snorkeling gear and bottled water included
- Option to extend snorkeling or island time
2–3 People
From $50 per person
- Shared small group boat tour
- Guided tortoise sanctuary and prison visit
- Snorkeling gear and refreshments provided
- Perfect for couples or small families
- Interactive and educational experience
4+ People
From $45 per person
- Ideal for families or group outings
- Experienced English-speaking guide
- Group discounts and flexible scheduling
- Snorkeling and tortoise interaction included
- Bottled water and gear provided
Customize Your Prison Island Tour
Enhance your experience with these optional add-ons:
- Private dhow boat for a traditional sailing experience
- Extended snorkeling session with a marine biologist guide
- Professional photography package for your tour
- Combine with a Stone Town walking tour
- Pickup and drop-off from Zanzibar hotels outside Stone Town
Contact us to tailor your Prison Island adventure to your preferences!
Prison Island Tour Price Inclusions & Exclusions
Our Prison Island Tour offers a complete half-day adventure from Zanzibar. Below is a detailed breakdown of what’s included and excluded to help you plan with ease.
Included in the Prison Island Tour Package
- Round-trip boat transfers from Stone Town
- Professional English-speaking guide
- Entry to the giant tortoise sanctuary
- Snorkeling gear and guided snorkeling session
- Guided tour of the historical prison ruins
- Bottled water during the tour
- All taxes and service fees
Not Included in the Prison Island Tour Package
- Tips for the guide and boat crew (optional)
- Personal purchases like souvenirs or snacks
- Travel or medical insurance
- Hotel accommodation in Zanzibar
- Transfers from hotels outside Stone Town (available at extra cost)
- Professional photography services (available on request)
Ready to Explore Prison Island from Zanzibar?
Set sail for an unforgettable half-day adventure to Prison Island. Meet giant tortoises, snorkel vibrant reefs, and uncover the island’s history with a knowledgeable guide.
- Scenic boat ride to Changuu Island from Stone Town
- Unique encounter with giant Aldabra tortoises
- Guided snorkeling in crystal-clear waters
- Explore historical prison ruins with expert insights
- Perfect for families, couples, and solo travelers
Prison Island tours are in high demand — book now to secure your spot for this Zanzibar adventure!
Book This Tour Now