Prison Island & Giant Tortoise Tour – Half-Day Zanzibar Excursion

Explore the historic Prison Island (Changuu Island), just off the coast of Stone Town, on this fascinating half-day tour. Get up close with the famous giant Aldabra tortoises, discover the island’s colonial history, and relax on the turquoise waters of the Indian Ocean. Ideal for history lovers, nature enthusiasts, and families, this tour blends heritage, wildlife, and stunning seascapes. Join our expert guides as you sail by boat from Stone Town and uncover one of Zanzibar’s top attractions.

Book This Tour Now
Book Prison Island & Tortoise Tour

What to Expect on the Prison Island & Tortoise Adventure

  • Visit the famous Aldabra giant tortoises – Meet the ancient residents of Prison Island, some of which are over 100 years old, in their protected sanctuary.
  • Explore the historical ruins of the former prison – Learn about the island’s colonial past and its role as a quarantine station.
  • Scenic boat ride from Stone Town – Enjoy panoramic views of Zanzibar’s coastline during the short 30-minute ride across turquoise waters.
  • Snorkel in crystal-clear waters – Optional snorkeling in the shallow reefs around Prison Island (gear provided upon request).
  • Capture Instagram-worthy moments – Stunning ocean backdrops, heritage architecture, and tortoise selfies await!
  • Guided by local experts – Learn fascinating stories about the island’s past, marine life, and conservation efforts.

Overview – Discover Zanzibar’s Historic Prison Island & Giant Tortoises

Just a short boat ride from Stone Town, Prison Island—also known as Changuu Island—offers a rich mix of history, nature, and coastal beauty. This half-day Zanzibar tour is ideal for travelers looking to explore a unique island escape packed with stories and experiences.

Originally intended to hold rebellious slaves and later used as a quarantine station during colonial times, the island’s abandoned prison buildings now serve as a historical site for visitors. You’ll walk through the atmospheric stone ruins and learn about the island’s lesser-known past, all while soaking in panoramic views of the ocean and Zanzibar’s coastline.

The star attraction of this Prison Island tour is the sanctuary of Aldabra giant tortoises, originally gifted from the Seychelles. These gentle giants, some weighing over 200kg, roam freely in a protected compound. You’ll have the opportunity to walk among them, feed them, and take unforgettable photos—an experience especially loved by families and nature lovers.

For those seeking more adventure, optional snorkeling off Prison Island is available in the surrounding coral-rich waters. With vibrant marine life, calm currents, and clear visibility, it’s one of the best places for a relaxed snorkeling experience near Stone Town.

Whether you're interested in Zanzibar’s history, marine life, or just looking for a picturesque escape, the Prison Island & Giant Tortoise tour is a must-do during your holiday in Zanzibar.

This tour includes boat transfers, entrance fees, an expert guide, and optional snorkeling gear. It’s perfect for solo travelers, couples, and families, and can be scheduled as a morning or afternoon departure.

Half-Day Itinerary – Prison Island & Tortoise Sanctuary Tour

Tour Duration: Approximately 3 to 4 Hours

This half-day tour to Prison Island from Stone Town is available in both morning and afternoon departures. It's perfect for travelers with limited time who still want to experience one of Zanzibar’s top historical and nature-based attractions.

Boat Departure from Stone Town

Your tour begins with a short briefing and introduction at the Forodhani Gardens waterfront in Stone Town. From there, board a traditional wooden dhow or speedboat for a scenic 20–30-minute cruise across turquoise waters to Changuu Island (Prison Island).

Explore the Aldabra Giant Tortoise Sanctuary

On arrival, your guide will escort you to the sanctuary that houses Aldabra giant tortoises. Originally gifted from the Seychelles, some of these tortoises are over 100 years old. You'll have time to feed, observe, and take photos with these gentle giants in their spacious, protected enclosure.

Visit the Historic Prison Ruins

Continue your exploration by visiting the old prison structures that give the island its name. Learn about the island's colonial past and its use as a quarantine station in the 19th and 20th centuries. Your guide will share intriguing stories that blend history, health, and trade across the Indian Ocean.

Optional Snorkeling Adventure

For those interested, enjoy a snorkeling session off the shores of Prison Island. Discover shallow coral reefs teeming with colorful fish and marine life. Snorkeling gear is available on request and conditions are generally calm, making it ideal even for beginners.

Return to Stone Town

After your exploration and relaxation, board your boat for the return journey to Stone Town. Arrive at the waterfront with plenty of time left to continue your Zanzibar adventures.

How to Reach Prison Island from Stone Town

Prison Island (Changuu Island) lies just 5.6 km northwest of Stone Town, making it one of the most accessible offshore excursions in Zanzibar. Known for its historical significance and the famous giant tortoise sanctuary, this island is a must-visit for travelers seeking a short yet rewarding day trip.

Your half-day Prison Island tour starts at the Stone Town waterfront near Forodhani Gardens. From there, you’ll hop on a wooden dhow or motorboat for a scenic 20 to 30-minute ride across the Indian Ocean’s turquoise waters. The island is clearly visible from the mainland, offering stunning panoramic views of the sea and surrounding coastlines.

The boat ride is safe and suitable for all ages, and your guide will share stories about the history of Zanzibar’s coast and Prison Island’s unique transformation from a colonial-era prison to a conservation site for Aldabra giant tortoises. Once on the island, the tour continues on foot as you explore its historical ruins and vibrant nature.

This map below shows the exact location of Prison Island in relation to Stone Town and the surrounding areas:

Watch: Explore Prison Island Zanzibar

Experience the stunning views and wildlife of Prison Island with this immersive tour video.

Why Book the Prison Island Tour With Us?

When it comes to exploring Zanzibar’s iconic historical sites like Prison Island, you deserve a smooth, safe, and insightful experience. As trusted Zanzibar tour specialists, we offer more than just boat trips — we deliver immersive adventures backed by expert planning and passionate local guidance.

  • Experienced Local Guides: Our certified guides provide in-depth stories and cultural insights that enrich your Prison Island visit, from colonial history to conservation efforts.
  • Flexible Departures: Whether you're coming from a cruise ship, hotel in Stone Town, or elsewhere in Zanzibar, we arrange convenient pickup and departure times that fit your schedule.
  • Small Group & Private Options: Avoid overcrowded boats. Enjoy a more intimate experience with your own guide or a small group of fellow explorers.
  • Transparent Pricing: No hidden fees. Our prices include roundtrip boat transfers, entrance fees, guide services, and all taxes.
  • Customizable Itineraries: Want to combine your Prison Island tour with a Stone Town walking tour or snorkeling adventure? We tailor your tour at no extra planning fee.
  • Reliable & Safety-Focused: We use licensed boats and ensure all safety measures are met. Your comfort and security are our priority.
  • Hundreds of 5-Star Reviews: We’re proud to be rated among the best tour operators in Zanzibar, with glowing reviews from travelers worldwide.

Book your Half-Day Prison Island excursion with us and discover why so many travelers choose our expertise to uncover the magic and history of Zanzibar’s coast.

Pricing & Customization Options

Our Half-Day Prison Island Tour offers transparent pricing with no hidden fees. Whether you're traveling solo, as a couple, with family, or in a group, we provide flexible options that fit your budget and expectations.

Group Tour

From $25 per person

  • Shared boat from Stone Town to Prison Island
  • Professional English-speaking guide
  • Entrance fee to the island and tortoise sanctuary
  • Ideal for budget-conscious travelers

Private Tour

From $60 per person (2 pax minimum)

  • Private boat transfer with flexible timing
  • Dedicated guide for a more personalized experience
  • Entrance fees included
  • Perfect for couples, families, and photographers

Luxury Experience

From $120 per person

  • Private dhow or luxury boat with refreshments
  • Custom itinerary including sandbank stops (if weather allows)
  • Gourmet light snacks or fresh fruits onboard
  • Ideal for honeymooners or small group celebrations

Customize Your Prison Island Excursion

Looking for something special? Let us help you personalize your tour:

  • Combine with a walking tour of Stone Town
  • Add snorkeling or sandbank visits (weather-permitting)
  • Flexible departure times to suit your cruise or hotel check-out
  • Special requests like birthday surprises or proposal setups

Just mention your preferences when booking and we’ll create a memorable, tailor-made experience to Prison Island.

What’s Included in the Half-Day Prison Island Tour

Included:

  • Return boat transfer from Stone Town to Prison Island
  • Professional English-speaking guide
  • Entrance fees to Prison Island and Tortoise Sanctuary
  • Historical walking tour of the old prison ruins
  • Interaction with Aldabra giant tortoises
  • Drinking water
  • Snorkeling (if requested in advance)
  • All government taxes and marine conservation fees

Not Included:

  • Hotel pickup/drop-off (can be arranged at extra cost)
  • Tips for guide and boat crew
  • Meals and personal expenses
  • Snorkeling gear (available for rent if not arranged)

Ready to Explore Zanzibar’s Prison Island?

Discover the historical charm, turquoise waters, and giant tortoises of Prison Island with a guided half-day tour. Whether you’re a history buff, nature lover, or just looking for a scenic boat trip off the coast of Stone Town, this experience offers something unforgettable for everyone.

  • Expert-guided tour with rich historical context
  • See and feed the famous Aldabra giant tortoises
  • Scenic boat ride from Stone Town with flexible departure
  • Ideal for families, couples, solo travelers & cruise guests
  • Affordable, all-inclusive pricing with no hidden fees

Limited spots available daily – book your Half-Day Prison Island Tour now to secure your preferred time!

Book This Tour Now

Book Your Half-Day Prison Island Tour in Zanzibar

Frequently Asked Questions – Prison Island Tour Zanzibar

1. How long does the Prison Island Tour take?
The tour typically lasts about 3 to 4 hours, including the boat ride, historical walk, and time to see the giant tortoises.
2. What is the best time of day to visit Prison Island?
Morning or late afternoon tours are best to avoid the midday heat and catch good lighting for photography. We offer flexible start times based on your preference.
3. Is the tour suitable for children and families?
Yes, the tour is family-friendly. Kids especially enjoy feeding the Aldabra giant tortoises and exploring the ruins with our friendly guides.
4. Can I swim or snorkel during the tour?
Yes, snorkeling is possible near the island’s coral reefs. Please request in advance if you’d like to add this experience. Gear rental is available at an extra cost.
5. What should I bring for the tour?
Bring sunscreen, a hat, sunglasses, swimwear (if snorkeling), comfortable shoes for walking, and a camera to capture the island’s history and nature.
6. Do you provide pickup from my hotel?
Hotel pickup can be arranged at an additional cost. Let us know your location when booking, and we’ll coordinate the most convenient option.
7. Is the entrance fee to Prison Island included?
Yes, the entrance fee to the island and tortoise sanctuary is included in the tour package.