Hidden island trails in Africa: Snorkel, kayak, hike, and escape the crowds

Posted on 10 October 2025 By Lee-Ann Steyn

Africa is home to some of the world’s most breathtaking hidden island trails. From secluded beaches to pristine coral reefs, these off-the-beaten-path destinations offer a mix of snorkelling, kayaking, hiking, and blissful solitude.

Whether you’re a water lover, an adventure seeker, or someone in need of peace, Africa’s hidden islands promise unforgettable experiences.

1. Thanda Island, Tanzania


Nestled in the Indian Ocean, Thanda Island is a private paradise. With powdery white sand, turquoise waters, and vibrant coral reefs, it’s a haven for snorkellers and kayakers alike. The island is uninhabited, which means you can explore its tropical forest trails and discover secret coves without a crowd. A truly exclusive getaway for those seeking tranquillity and adventure.

2. Ile Sainte-Marie, Madagascar

Ile Sainte-Marie/Anai171/Wikimedia Commons

Off Madagascar’s eastern coast lies Ile Sainte-Marie, also known as Nosy Bohara, an island rich in history and natural beauty. Snorkellers will delight in the crystal-clear waters teeming with marine life, while hikers can traverse lush trails to hidden waterfalls and secluded beaches. The island also has a fascinating pirate history, adding a touch of intrigue to your adventure.

3. Bissagos Islands, Guinea-Bissau

Bissagos Islands/Mailsonribeiro, Public domain, via Wikimedia Commons

This archipelago of 88 islands is a lesser-known gem. The Bissagos Islands boast untouched beaches, diverse wildlife, and vibrant local culture. Kayak through mangrove channels, spot endemic bird species, and snorkel in vibrant coral gardens. The remoteness of the islands ensures that every trail you hike and every beach you discover feels like a secret waiting to be unveiled.

4. Pemba Island, Tanzania

Vumawimbi Beach, Pemba Island/Marcel Oosterwijk from Amsterdam, The Netherlands/Wikimedia Commons

Often overshadowed by Zanzibar, Pemba Island is a serene retreat for nature lovers. Its calm, crystal-clear waters are ideal for snorkelling, while its coastline offers pristine beaches and hidden coves. Inland trails wind through tropical vegetation, making it perfect for small hikes that lead to panoramic viewpoints. Pemba is perfect for people who prefer off-the-beaten-path adventures over crowded resorts.

5. Mohéli, Comoros

Beach on Mohéli island (Comoros)/alKomor.com/Wikimedia Commons

Part of the Comoros archipelago, Mohéli is a sanctuary for wildlife enthusiasts and adventure seekers. Its coral reefs are excellent for snorkelling, and its beaches are delightfully secluded. Trails wind through lush forests and reveal breathtaking vistas, providing opportunities to encounter endemic flora and fauna along the way.

Hidden gems in South Africa

While Africa has countless islands, South Africa also offers hidden coastal trails for those who prefer a shorter escape.

Intaka Island – Century City

Intaka Island view/S Molteno/Wikimedia Commons

Located near Cape Town, Intaka Island is a tranquil wetland reserve. Kayak through peaceful waterways, watch native birdlife, or enjoy small walking trails for a quick nature fix close to the city.

Otter Trail, Garden Route

Bloukrans River mouth on the Otter trail/Louisvdw/Wikimedia Commons

For a longer adventure, the Otter Trail is a world-renowned hiking experience. This five-day trail combines beaches, forests, rivers, and breathtaking coastal vistas. Though not an island, it captures the essence of secluded exploration with its challenging terrain and hidden coves along the Garden Route.

Tips for exploring hidden island trails

  • Pack light but smart: Bring snorkel gear, a water bottle, and sturdy shoes for short hikes.
  • Go early: Many of these islands and trails are quietest in the morning.
  • Respect local wildlife: Stay on marked trails and avoid disturbing nesting or marine life.
  • Hire local guides: They know secret paths, hidden beaches, and the best snorkel spots.
  • Consider private or small-group tours: This ensures an intimate and sustainable experience.

Africa’s hidden island trails offer more than just scenery—they are a chance to connect with nature, discover untouched beaches, and immerse yourself in unique local ecosystems. From Madagascar’s pirate history to Tanzania’s private paradise, these destinations promise an adventurous escape from the ordinary.

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ALSO READ: Micro-adventures: One-day thrills within 2–3 hours of South Africa’s major cities




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