Prison Island Half-Day Tour from Zanzibar

Prison Island’s main draw is wonderfully simple: you get close to giant Aldabra tortoises, some more than 150 years old, on a small island just off Stone Town. The 30-minute boat ride adds a pleasant sea outing, and you have time for swimming, sunbathing, and optional snorkeling.

I like the easy hotel pickup and the mix of nature, beach time, and sobering island history. I also like the private format, since your group can set a calmer pace rather than being folded into a large crowd. The main catch is that the island can feel crowded later in the day, and rough water or wading through shallow water to board the boat can make the trip less comfortable than expected.

Key points to know before booking

• The tortoise sanctuary is the star attraction: You can see enormous Aldabra tortoises, including some said to be more than 150 years old.
• The island is close to Stone Town: The boat ride takes about 30 minutes each way, making this a useful half-day outing.
• Swimming and snorkeling are optional: Clear water and a beach provide time to relax, but the snorkeling is not the strongest part of the experience.
• The history adds weight: Changuu Island was linked to the holding of enslaved people and later served as a yellow fever quarantine station.
• Expect a wet boat transfer: You may need to walk through about a foot of water to reach the boat, so wear shorts or pants that can be raised.
• Early departures make sense: The island gets busier as the day goes on, and the sun can be intense.

A short boat ride from Stone Town

Prison Island, also called Changuu Private Island, sits about 30 minutes by boat from Zanzibar’s Stone Town. That short crossing is part of the appeal. You get a change of pace without committing to a full-day excursion or a long trip along the coast.

The tour includes pickup and drop-off at your Zanzibar hotel, along with a professional guide. The listed meeting point is Kisauni Airport, Tanzania, but the practical arrangement described for the experience is hotel transfer, so confirm your pickup details before departure.

The boat is a small covered wooden boat. On a calm day, the ride is an enjoyable part of the outing, with open sea views and a sense that you are leaving the city behind. Conditions can change, though. Rough water has made the ride uncomfortable for some people, so take care if you are prone to seasickness.

There is also a practical detail that deserves more attention than it usually gets. Boarding may require walking through shallow water, possibly around a foot deep. Wear shorts, rolled-up trousers, or clothing that you do not mind getting wet. Flip-flops or secure water-friendly shoes are more useful here than dress shoes or long trousers.

Meeting the giant Aldabra tortoises

The tortoises are the reason to book this trip. They were brought to Zanzibar from the Seychelles, and the sanctuary gives you a close look at these slow-moving, long-lived animals. Several are more than 150 years old, and one review refers to tortoises as old as 192 years.

Their size is striking. These are not quick zoo encounters. You can take time to watch them move, feed, and gather around the sanctuary. Feeding is optional and costs extra. If you choose to do it, be cautious around their beaks and follow the guide’s instructions.

I would give the tortoises plenty of your limited island time. The beach and water are pleasant, but the animals are what makes Changuu different from any ordinary beach stop. The sanctuary also suits families and anyone who enjoys wildlife without needing a strenuous walk or a long safari drive.

The island experience is not a polished wildlife park in the style of a major zoo. That can be part of its charm, but it also means you should keep expectations sensible. The visit is about seeing remarkable animals in a simple island setting, not about a long, carefully staged animal presentation.

The island’s difficult past

Changuu Island has a complicated past. It was used as a holding place for enslaved people and later became a quarantine center for yellow fever. The island’s buildings and displays help explain those uses.

The historical portion can be brief, depending on the guide and how much time your group spends exploring. Some guides offer a clear account in English, while the quality of the explanation may vary if a multilingual guide is assigned. One poor experience described a trainee who could offer little detail, so it is worth asking questions if the history matters to you.

The old prison area was never used as a working prison in the way many visitors might expect. You may find a restaurant in the former prison courtyard, where you can buy food and drinks at your own cost. That setting gives the stop an unusual feel, but do not expect a large museum or a long historical tour.

For me, the history is valuable because it prevents the island from becoming only a tortoise-and-beach stop. The past is not always presented in great depth, but it gives the visit a human dimension. If history is your chief interest, Stone Town itself offers a fuller experience and should receive more of your time.

Two to three hours on Changuu Island

The island portion lasts about two to three hours. That is enough time to see the tortoises, hear about the island’s past, swim, sit on the beach, and possibly snorkel.

The pace is generally relaxed. You are not being pushed from one stop to the next, and the private format means only your group participates. That is useful if one person wants more time with the tortoises while another prefers the beach.

The tradeoff is that the island is small. Once you have seen the sanctuary and historic buildings, there is not a long list of additional sights. Several hours can feel just right if you want an easy outing. If you prefer constant activity, you may find the second half of the visit slow.

Bring drinking water. The island can be very hot, and food and drinks are not included in the $95 price. You can buy something at the restaurant, but you should not rely on that as your only refreshment. A swimsuit, towel, sunscreen, and hat belong in your day bag.

Swimming and snorkeling in clear water

The beach has clean water and a pleasant setting for swimming or sunbathing. The water may look inviting, especially after the warm walk around the island. This is a good place to build in unstructured time rather than treating every minute as a formal sightseeing stop.

Snorkeling is optional. The tour information describes snorkeling equipment as included, while the practical notes also tell you to bring your own gear, so I would confirm what is supplied before you go. Bring your own mask and snorkel if you care about fit or want to avoid uncertainty.

Keep your expectations moderate. The water can be clear and enjoyable, but the snorkeling itself has been described as average compared with the tortoises and the boat ride. This is not the trip to book solely for an exceptional underwater site.

You can still have a good swim without snorkeling. The experience works best when you treat the water as a pleasant extra, not the main event. If the sea is rough, conditions may reduce the comfort of both the boat ride and the water activities.

Morning or afternoon: choose carefully

Both morning and afternoon departures are available. I would favor the earliest practical departure for two reasons: the island becomes more crowded as the day goes on, and the heat can be tiring.

An early visit also gives you a better chance of enjoying the sanctuary before the busiest period. The island is small, so a rise in numbers is noticeable. If your schedule requires an afternoon trip, it can still work well, especially if you want a slower start to the day, but bring extra water and accept that the beach and paths may feel busier.

The tour takes about three hours in total, not counting any unusual delay in transfers. That makes it easy to pair with time in Stone Town on the same day, though you should leave room in your schedule for weather, boat conditions, and hotel pickup timing.

One person reported poor communication around the scheduled day, with the trip moved to the final day of a stay. This is a useful reason to keep your booking details, pickup time, and phone contact handy. A local SIM card can help if you need to reach the operator while in Zanzibar.

What the $95 price really covers

At $95 per person, this is not the cheapest way to spend a few hours near Stone Town. The value comes from convenience rather than a long list of included extras.

The price includes a professional guide, hotel pickup and drop-off, the private boat trip, and entrance fees. You are paying for transport and organization as much as for the island visit itself. If arranging a boat, entrance, and return transfer on your own sounds like a hassle, the package has a fair practical value.

Food and drinks are extra, as are souvenir photos and tortoise feeding. Snorkeling details should be confirmed because the information is not fully consistent about equipment. If you add lunch, drinks, feeding, and souvenirs, the final cost will rise.

For a private half-day outing with hotel transfers, $95 can make sense for a couple, family, or small group that values ease. A budget-minded solo visitor may find it expensive for an island where the tortoises are the clear highlight and the historical visit is fairly short.

The guide can shape the whole visit

The guide handles the island explanation and helps connect the different parts of the day. Several experiences have praised friendly, helpful guides who gave good information and even made extra effort when a group wanted to snorkel.

That personal attention matters on a small island. A good guide can explain why the tortoises are there, place the quarantine station in context, and keep the boat transfer organized. The tour may operate with a multilingual guide, so the depth and clarity of the history can vary.

You should ask direct questions. What was the island used for? When did the quarantine station operate? Where did the tortoises come from? A guide who responds clearly can turn a short stop into a much more meaningful visit.

The private format is a plus here. Your group does not have to match the pace of a large coach party, and you can ask for more beach time or more help with snorkeling. The experience still depends on the individual guide, so do not assume every departure will have the same level of historical detail.

Who will enjoy this half-day trip

I would recommend this tour to you if you want a simple outing from Stone Town with three distinct elements: wildlife, history, and beach time. It suits couples, families, and small private groups that like having transport arranged.

It is also a good choice if you have limited time in Zanzibar. The island is close enough to visit in half a day, and the boat crossing gives you a taste of the coast without taking over your schedule.

You may want to skip it if your main goal is outstanding snorkeling, a long historical tour, or a large range of activities. The island is tiny, and some of the sights can be covered quickly. You should also think twice if rough boat rides, hot weather, or wading through water are serious concerns.

The tour requires a moderate level of physical fitness. The activity is not described as strenuous, but you should be comfortable boarding a boat, walking on the island, and spending time in strong sun.

My booking advice

Book this Prison Island tour if the tortoises are your priority and you want an easy, private half-day from Zanzibar. Choose a morning departure when possible, carry water, and wear clothes that can handle a wet boat boarding.

I like the combination of close-up wildlife, a short sea ride, and a beach break. The history gives the visit more substance than a standard island excursion, even if the explanation may be brief. Just do not book it expecting world-class snorkeling or a full museum experience.

At $95, the tour is most worthwhile when you place a high value on hotel transfers, a private group, and having the boat and entrance arrangements handled for you. If those conveniences matter, this is a sensible addition to a Stone Town stay. If you want the strongest possible value and do not mind organizing transport yourself, compare alternatives before committing.

FAQ

How long does the Prison Island tour last?

The tour lasts approximately three hours, with about two to three hours spent on Changuu Island.

How long is the boat ride to Prison Island?

The boat ride from Zanzibar to Prison Island takes about 30 minutes.

Is hotel pickup included?

Yes. Hotel pickup and drop-off are included in the experience.

What is the listed meeting point?

The listed start point is Kisauni Airport in Tanzania. The tour information also states that hotel transfers are provided, so confirm your exact pickup arrangement after booking.

Are entrance fees included?

Yes. Entrance fees are included in the tour.

Can I swim on Prison Island?

Yes. You have time to swim from the beach, sunbathe, and enjoy the clear water.

Is snorkeling included?

Snorkeling is optional. The tour information refers to snorkeling equipment as included but also advises you to bring your own gear, so confirm the equipment arrangement before departure.

Can I feed the tortoises?

Yes, but tortoise feeding costs extra. Take care around their beaks.

Are food and drinks included?

No. Food and drinks are not included, although you may visit the island restaurant at your own expense.

What should I bring?

Bring a towel, swimsuit, drinking water, and suitable clothing for boarding through shallow water. You may also want to bring your own snorkeling gear.

Can I cancel for a full refund?

You can receive a full refund if you cancel at least three full days before the experience start time. Cancellations or changes made less than three full days ahead are not accepted for a refund.

What happens if the weather is poor?

The experience requires good weather. If it is canceled because of poor weather, you will be offered another date or a full refund.