Reviewed · PRISON ISLAND TOURS
Prison Island And Nakupenda Sandbank Excursion
Prison Island’s giant tortoises are the surprise star here. These slow-moving residents, some living on Changuu for generations, make the first stop more memorable than the old prison buildings alone. Then the day shifts to Nakupenda Sandbank, a narrow strip of white sand surrounded by clear Indian Ocean water.
I like two things right away: the tour is private, so your group can set a more relaxed pace, and lunch, drinks, snorkeling equipment, transport, and entry fees are included. The main thing to consider is the weather. This is an open-water outing, and a rough day can change or cancel the plan.
Key points at a glance

- Giant tortoises on Prison Island: Get close to the island’s famous ancient residents and learn about Changuu’s unused prison.
- A private six-to-seven-hour outing: Only your group takes part, with a dedicated guide and private transportation.
- Nakupenda by boat: From Stone Town, the sandbank is reached by a roughly 20 to 25 minute boat ride.
- Swimming and snorkeling included: Equipment is supplied, so you do not need to arrange a separate rental.
- Lunch on or near the sandbank: Food and soda are part of the package, making the day easier to budget.
- Flexible weather policy: You can cancel up to 24 hours before departure, and poor weather may bring a new date or full refund.
Why this pairing works so well

This outing combines two very different sides of Zanzibar. Prison Island gives you a bit of local history and wildlife. Nakupenda is about open water, pale sand, swimming, and a slow afternoon in the sun.
That contrast helps the day feel fuller than a simple beach trip. You are not spending six hours doing one activity. Instead, you move from an island with old stone buildings and giant tortoises to a sandbank that may look completely different depending on the tide.
The private format matters. You are not placed into a large shared group with a fixed rhythm. Your guide can focus on your party, explain the island, help with snorkeling equipment, and keep the day moving between the two stops. The available information does not provide the guide’s name, so you should confirm who will meet you when booking.
The meeting point is Forodhani in Zanzibar, and the activity ends there. Pickup is offered, but it is wise to confirm the exact pickup arrangement rather than assume it applies to every hotel or neighborhood.
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Prison Island and the giant tortoises

The first stop lasts about three hours, giving you time to see more than one attraction. Changuu Private Island is best known for its giant tortoises, but it also has beaches, swimming areas, snorkeling, and the remains of an unused prison.
The prison gives the island a stronger sense of place. Your guide explains its past as you walk around, so this is not just a quick photo stop. The buildings are no longer functioning as a prison, but they add a human story to an island otherwise known for sand and sea.
The tortoises are the most distinctive part of the visit. You can observe them at close range, an unusual wildlife encounter for a short boat trip from Stone Town. Their size and age make them especially interesting, and they are a good reason to keep some time free instead of rushing straight to the beach.
I would treat this stop as a relaxed island walk rather than a formal museum visit. The information supplied does not give a detailed list of prison rooms, exhibits, or historical dates. You should expect a guide-led introduction to the site, not a long archaeological tour.
There is also time for the sea. You can swim from the island’s sandy shore and use the supplied snorkeling equipment. Conditions can vary with weather and water clarity, so keep your expectations sensible. The promise is a chance to see fish and coral, not a guaranteed marine-life show.
A practical point: three hours is generous if your group wants to see the tortoises, hear about the prison, and spend time in the water. If you are mainly interested in the sandbank, the first stop may feel a little long. If you like wildlife and history, that same schedule gives Changuu enough breathing room.
The short boat ride to Nakupenda
For travelers starting in Stone Town, the boat ride to Nakupenda takes about 20 to 25 minutes. That is short enough to be manageable for most people, yet long enough to make the arrival feel like a proper change of scene.
Nakupenda is also called Sand Bank Island. It is not a large permanent island with streets, shops, or buildings. It is a sandy strip surrounded by the sea, and its appearance depends on the water and weather around it.
That temporary, exposed setting is part of the appeal. You come here for a few hours of simple pleasures: swimming, snorkeling, sitting on pale sand, and eating lunch near the water. A shaded place can be arranged for a longer stay, which is important because there is limited natural shelter on a sandbank.
The tour allows about three hours at Nakupenda. That is enough time to spread the day out instead of treating the sandbank as a quick photograph. You can swim first, dry off, eat, and return to the water without feeling hurried.
Still, this is not a resort beach. The sandbank’s appeal comes from its lack of permanent development. Do not expect changing rooms, a line of cafés, or a full range of beach services. The more comfortable you are with a simple outdoor setting, the more you are likely to enjoy this stop.
Snorkeling, swimming, and what to expect in the water

Snorkeling equipment is included, which adds real value. You avoid finding a separate rental and can use the water time at both Prison Island and Nakupenda.
The experience is aimed at casual swimmers and first-time snorkelers as well as people who already enjoy looking beneath the surface. The description promises colorful fish and coral formations, but marine conditions are never fixed. Water visibility, wind, tide, and the day’s weather all matter.
I would think of the snorkeling as one part of a wider day, not the sole reason to book. If you want a specialist reef trip with long sessions in the water, this may not be focused enough. If you want a boat outing with the option to swim and see sea life, the setup is convenient.
You should also plan around the sun. The included shaded area at Nakupenda is useful, but shade may not be available everywhere during the day. Bring the personal items you normally need for a beach outing, while remembering that the tour includes soda and lunch but not personal expenses.
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Lunch on the sandbank

Lunch is included, and this is more important than it may sound. On a remote sandbar, buying food independently may be difficult or impossible. Having lunch arranged means you can spend the day enjoying the stop instead of worrying about where to eat.
The supplied information does not give a full menu, so do not book based on a particular dish. It does confirm lunch and soda, which covers the main food and drink portion of the outing. Personal snacks or extra purchases are not included.
The meal also helps the schedule work. With three hours at Nakupenda, the day is not simply a boat ride, a short swim, and a return trip. Lunch gives you a natural pause between water activities and time on the sand.
One of the strongest points of the excursion is this easy combination of food, transport, equipment, and entry costs. You pay one price rather than assembling several separate services.
Is $110 a fair price?

The listed price is $110 per person. That is not the cheapest way to see a beach near Zanzibar, but the value looks reasonable if you use the inclusions.
Your price covers private transportation, a guide, snorkeling equipment, lunch, soda, all fees and taxes, and the two main island stops. The private structure is especially important. A cheaper shared boat may work better for solo visitors on a strict budget, while a couple, family, or small group may find the added privacy worth paying for.
The six-to-seven-hour duration also gives the price some weight. This is a half-day-plus outing, not a short transfer to a beach. You receive a history and wildlife stop at Changuu, then several hours at Nakupenda.
The value is weaker if you do not enjoy boats, swimming, or outdoor time. You would still pay for the marine portion of the day even if you planned to remain on shore. In that case, a land-based Stone Town tour may suit you better.
For a group that wants one organized day with no need to arrange lunch, gear, boat transport, and island admission separately, $110 is a fair all-in figure. Confirm the pickup details and final meeting arrangements before paying, since the listed starting point is Forodhani.
Who should book this private island day?

I would recommend this trip to people who want variety and convenience. It suits couples, families, and small groups that prefer a private guide rather than a large shared excursion.
It is also a good fit if giant tortoises are high on your Zanzibar list. The tortoises give Prison Island a clear purpose, while the sandbank supplies the postcard setting and water time.
You should be comfortable with a full outdoor day. The schedule involves boats, sun, sandy ground, swimming, and snorkeling. Most people can participate, according to the supplied details, but the activity is still less suitable for someone who wants a fully indoor or highly accessible sightseeing plan.
The tour may be less appealing if your main goal is a long historical tour of Stone Town or a specialist snorkeling trip. It spreads attention across wildlife, history, beaches, and food. That broad mix is its strength, but it also means no single part receives a full-day treatment.
Timing, booking, and weather details

The activity is available Monday through Sunday during the stated operating period, from February 25, 2024 through June 17, 2026. The listed hours run from midnight to 11:30 p.m., but you should confirm your actual start time with the provider because the excursion itself lasts about six to seven hours.
Confirmation is provided at booking. The meeting point is Forodhani, and the trip returns to that same point at the end. Pickup is offered, so ask the provider to confirm the exact place and time for your party.
Blue Wave islands boat trip operates the excursion. The activity is private, meaning only your group participates. That arrangement is useful for setting a comfortable pace, though it does not guarantee that every stop can be extended if weather or sea conditions change.
You can cancel for a full refund up to 24 hours before the start time. Changes made within 24 hours are not accepted, and late cancellations are not refunded. Since the trip requires good weather, poor conditions may lead to a different date or a full refund.
The bottom line: should you book it?
Book this excursion if you want a well-rounded day from Stone Town, with giant tortoises, a touch of island history, snorkeling, swimming, lunch, and a private boat format. The strongest reason to choose it is the combination of two very different stops without having to organize the pieces yourself.
Think twice if you dislike exposed beaches, boat travel, or weather-dependent plans. Nakupenda is simple rather than developed, and snorkeling conditions can change.
For most small groups who want an easy, varied Zanzibar outing, the $110 price is justified by the private transport, included meal, equipment, and fees. Confirm pickup and start time, pack for sun and water, and allow the day to unfold at a relaxed pace.
FAQ
Where does the excursion start?
The listed meeting point is Forodhani in Zanzibar, Tanzania.
Where does the excursion end?
The activity ends back at the meeting point in Forodhani.
How long does the tour last?
The full excursion lasts approximately six to seven hours.
Is this a private tour?
Yes. Only your group participates, with private transportation and a dedicated guide.
How long is the Prison Island stop?
The Prison Island portion is scheduled for about three hours.
How long is the Nakupenda Sandbank stop?
The Nakupenda Sandbank portion is scheduled for about three hours.
How long is the boat ride to Nakupenda from Stone Town?
The boat ride from Stone Town to Nakupenda takes approximately 20 to 25 minutes.
Is lunch included?
Yes. Lunch and soda are included in the price.
Is snorkeling equipment provided?
Yes. Snorkeling equipment is included for use during the excursion.
Can I cancel for a full refund?
Yes. You can cancel at least 24 hours before the experience start time for a full refund. Poor weather may also result in a different date or a full refund.
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