Prison Island
Zanzibar, Tanzania
Category: Beach
Updated: Dec 08, 2025
Introduction
Prison Island, also known as Changuu Island, is a historic and tranquil destination near Zanzibar, Tanzania, offering visitors a unique blend of history, nature, and relaxation.
Located just off the coast of Stone Town in Zanzibar, Prison Island is a small, car-free island with a fascinating past. Originally intended to serve as a prison in the late 1800s, it was never used for that purpose. Instead, it became a quarantine station and later a recreational retreat. Today, it is famous for its giant Aldabra tortoises, crystal-clear waters, and snorkeling opportunities, making it a must-visit for history buffs and beach lovers alike.
Top Highlights of Prison Island
- Historic ruins of the unfinished prison
- Close encounters with giant tortoises
- Snorkeling and swimming in turquoise waters
- Guided tours detailing the island's history
- Picnic areas with scenic views
Best Time to Visit
Peak Season
The peak season runs from June to October and December to February, offering dry weather and calm seas ideal for snorkeling and exploring.
Off-Season Advantages
Visiting during the off-season (March to May and November) means fewer crowds and lower prices, though occasional rain showers may occur.
Weather Overview
Zanzibar enjoys a tropical climate with warm temperatures year-round, averaging 25–30°C (77–86°F). The island experiences two main seasons: the dry season (June–October) and the wet season (March–May).
Best Months for Families
July and August are ideal for families, with minimal rainfall, comfortable temperatures, and calm waters perfect for water activities.
How to Reach
| From | Mode | Duration |
|---|---|---|
| Stone Town, Zanzibar | Boat Ride | 15–20 minutes |
| Zanzibar Airport | Taxi + Boat | 45–60 minutes |
Entry Fees & Timings
Entry Fee: Approximately $20–$25 USD for adults, $10–$15 USD for children
Opening Hours: 9:00 AM – 5:00 PM daily
Note: Fees may vary depending on nationality and group size.
How Much Time to Spend at Prison Island
- Half-day visit is sufficient for most travelers
- Ideal for morning trips to avoid midday heat
- Allow extra time for snorkeling and tortoise interactions
- Combine with a visit to nearby Jozani Forest for a full-day itinerary
Family Travel Tips
Bring sun protection and hats for children. The island is safe and stroller-free, so comfortable walking shoes are recommended. Snorkeling gear can be rented on-site, but bringing your own is advisable.
Nearby Attractions
- Stone Town – Historic heart of Zanzibar with UNESCO sites
- Jozani Chwaka Bay National Park – Home to the rare red colobus monkey
- Kendwa Beach – Stunning sunset views and water sports
- Spice Tours in Zanzibar – Cultural and culinary experiences
- Nungwi Beach – Pristine northern coastline
FAQs About Prison Island
Is Prison Island suitable for kids?
Yes, it’s family-friendly with safe beaches and tortoise encounters.
Can I bring food and drinks?
Yes, outside food is allowed, and there are picnic spots available.
Are there restroom facilities?
Basic restroom facilities are available on the island.
Do I need to book a boat in advance?
It’s recommended to book through your hotel or a tour operator for convenience.