Prison Island (Changuu), Zanzibar – Giant Tortoises & Snorkeling Experience

Prison Island, also known as Changuu Island, is one of the most popular attractions in the Zanzibar Archipelago, located just a short boat ride from Stone Town. Famous for its giant tortoises and rich history, the island also offers a fantastic snorkeling experience in Zanzibar’s clear turquoise waters.

Whether you’re interested in wildlife, history, or marine life, a visit to Prison Island is a perfect half-day excursion in Zanzibar.

Giant Tortoises of Prison Island

One of the main highlights of Prison Island is its population of Aldabra giant tortoises, some of which are over 100 years old.

Originally gifted from the Seychelles in 1919, these gentle giants have become a symbol of the island. Visitors can:

• See and photograph the giant tortoises up close

• Feed and interact with them

• Visit the nursery where young tortoises are protected

Snorkeling at Prison Island

Beyond its land attractions, Prison Island is also a great spot for snorkeling in Zanzibar.

The surrounding waters are home to a natural “fish garden,” where visitors can explore:

• Colorful tropical fish

• Coral reefs and marine ecosystems

• Clear, shallow waters ideal for beginners

Snorkeling here adds a relaxing and adventurous element to your island visit.

What to Expect on a Prison Island Tour

A typical Prison Island tour from Zanzibar includes:

• Hotel pickup and transfer

• A scenic 20–30 minute boat ride from Stone Town

• Guided visit to the giant tortoise sanctuary

• Free time for snorkeling and beach relaxation

• Views of Stone Town and the Indian Ocean

Tours are usually half-day (3–4 hours) and can be arranged in the morning or afternoon.

Why Visit Prison Island?

Prison Island is ideal for travelers who want to:

• See giant tortoises in Zanzibar

• Enjoy a short island excursion from Stone Town

• Combine wildlife, history, and snorkeling in one trip

• Experience one of Zanzibar’s most iconic attractions

Tour Includes

• Private guided tour (3–4 hours)

• Hotel pickup and drop-off anywhere in Zanzibar

• Experienced English-speaking guide (other languages on request)

• Boat transfer to and from Prison Island

• Entrance fees to Changuu Island

• Snorkeling equipment

Travel Tips

• Bring swimwear, sunscreen, and a towel

• Carry a waterproof camera for snorkeling photos

• Visit in the morning for calmer seas

• Wear comfortable footwear for walking

Final Thoughts

Prison Island (Changuu) offers a unique combination of history, wildlife, and ocean adventure. From meeting giant tortoises to snorkeling in crystal-clear waters, it’s one of the most memorable experiences in Zanzibar.

Plan Your Zanzibar Island Tour

Nature Bound Africa can organize Prison Island tours, snorkeling excursions, and tailor-made Zanzibar itineraries, ensuring a seamless and unforgettable island experience.