A quick boat hop from Stone Town, Prison Island (Changuu) packs giant Aldabra tortoises, colonial-era ruins, and coral snorkeling into a focused half‑day trip. Expect easy walks, bright reefs, and a slice of Zanzibar history.
More ways to explore the area's outdoor wonders
You step off the skiff onto a narrow sand spit and the ocean stretches in every direction—blue that edges into turquoise where coral gardens rise. The boat ride from Stone Town takes about 30 minutes; the harbor fades and an open horizon pushes you toward Changuu, better known as Prison Island.
Difficulty
easy
Duration
4–5 hours
Fitness Level
Suitable for most fitness levels—short flat walks and limited stairs; minimal endurance needed
Wildlife
History
Prison Island (Changuu) was used in the 19th century as a quarantine station and briefly proposed as a prison; the remaining stone structures reflect colonial-era public health measures and trade networks.
Conservation
Visitors should stick to marked paths, use reef‑safe products, and avoid touching corals; the island balances tourism with ongoing efforts to protect tortoises and nearby reef habitat.
Reserve your spot on the Prison Island Experience Half Day Trip With Transfer - Zanzibar today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Bring reef‑safe sunscreen
Coral reefs are sensitive—use reef‑safe sunscreen and reapply after swimming to protect marine life.
Wear water shoes
Shorelines can be rocky and hot; lightweight water shoes protect feet when exploring tidal pools and reefy beaches.
Morning or late afternoon timing
Visit early or later in the day to avoid the strongest sun and enjoy calmer seas and softer light for photos.
Carry small cash
Bring small bills for snacks, modest entrance contributions, and tipping your guide or boat crew.
Reef‑safe sunscreen
Protects your skin and the coral reef during snorkeling and beach time.
Water shoes
Protects feet on rocky shorelines and when entering shallow reef areas.
summer
Snorkel mask
While equipment is often provided, a personal mask ensures fit and clearer vision.
summer
Light long‑sleeve rash guard
Sun protection that dries quickly after snorkeling and reduces reef contact.
summer