A Guide to the Best Liveaboard Diving in the Derawan Islands

Introduction

The Derawan Islands, located off the coast of East Kalimantan, are one of the most precious hidden gems in Indonesia's marine tourism crown. Consisting of main islands like Derawan, Sangalaki, Kakaban, and Maratua, this region offers an incredibly diverse and unique marine ecosystem. For enthusiastic divers, the best way to explore all these wonders is through a Liveaboard experience. By choosing a liveaboard, you're not just booking accommodation, but also a golden ticket to access the furthest and most pristine dive sites that are difficult to reach from land-based resorts.

Imagine waking up in the morning to an endless blue horizon, then doing a giant stride directly from the boat deck into crystal-clear water. A Guide to the Best Liveaboard Diving in the Derawan Islands is designed to help you understand why this region is a dream destination. From swimming with stingless jellyfish in ancient lakes to encountering schools of manta rays and whale sharks, Derawan offers unparalleled underwater adventures. The main advantage of a liveaboard here is time flexibility; you can be the first to arrive at popular sites like "Manta Run" before day boats from the islands arrive, ensuring a more exclusive and tranquil experience.

History & Background

Administratively, the Derawan Islands are part of the Berau Regency, East Kalimantan. The history of this region as an international dive destination began to emerge in the late 1980s and early 1990s, when marine researchers realized that this area was a vital part of the Coral Triangle. The biodiversity here is extraordinary due to its strategic location, where currents from the Pacific Ocean meet the Indonesian inland waters, bringing abundant nutrients that support complex marine life.

Culturally, the Derawan Islands are inhabited by the Bajau people (Sea Gypsies) who have historically had a deep connection with the sea. Their local knowledge of current patterns and marine animal migrations has helped local dive guides become some of the best in the world. In the past, the main economy of the people here was fishing. However, with the designation of this area as a Coastal and Small Islands Conservation Area, a transition towards ecotourism has begun.

The liveaboard industry in Derawan itself has grown rapidly in the last decade. Initially, only small expedition boats operated here. However, as demand increased from global divers seeking luxurious comfort while exploring remote locations, traditionally modified modern pinisi boats began to flood the waters of Berau. The presence of these liveaboards also plays a role in conservation efforts; with continuous monitoring from tourist boats at dive sites, illegal fishing practices using bombs or cyanide can be significantly minimized.

Main Attractions

Diving in the Derawan Islands via liveaboard offers a variety of ecosystems rarely found elsewhere on a single trip route. Here are some of the main attractions that make this trip a must-do:

1. Kakaban Island Jellyfish Lake

One of the rarest natural phenomena in the world exists on Kakaban Island. In the center of the island is an ancient brackish lake trapped millions of years ago. Inside, four species of jellyfish (including Mastigias papua) live, having lost their stinging ability due to the absence of predators. Divers (or usually snorkelers, as diving equipment is not allowed to preserve the lake's ecosystem) can swim among thousands of jellyfish gently floating like clouds in the water.

2. Manta Rays at Sangalaki Island

Sangalaki Island is known as the "Manta Capital" of Eastern Indonesia. The currents around this island bring large amounts of plankton, attracting large schools of Manta birostris and Manta alfredi. With a liveaboard, you can schedule dives precisely during slack tide, increasing your chances of encountering these majestic creatures as they feed or head to "cleaning stations." Besides mantas, Sangalaki is also a crucial green turtle nesting site.

3. Macro Wonders at Derawan Island

For macro photography enthusiasts, the waters around Derawan Island itself are a paradise. Beneath the iconic wooden jetties, you can find pygmy seahorses, flamboyant cuttlefish, blue-ringed octopuses, and various colorful nudibranchs. The advantage of a liveaboard is that you can easily do night dives or twilight dives to observe the unique behavior of these nocturnal animals.

4. Whale Sharks at Talisayan

Some liveaboard routes now include a visit to Talisayan. Here, whale sharks often gather around the bagans (floating net cages) of local fishermen. Interacting with the world's largest fish in a relatively calm and controlled environment is a life-changing experience.

5. Maratua's Vertical Walls

Maratua Island offers a different thrill with its dramatic vertical walls. Sites like "The Channel" or "Big Fish Country" are where incoming currents bring schools of barracuda, white-tip sharks, and sometimes hammerhead sharks. These are challenging, adrenaline-pumping advanced dives, where divers often use reef hooks to hold their position in the current while watching a "parade" of large fish.

Travel Tips & Logistics

Planning a liveaboard trip requires more in-depth preparation than a regular vacation. Here are the important things you need to consider:

• Best Time to Visit: The best diving season in Derawan is from April to October, when the weather tends to be clear and the sea is calm. Although diving is possible year-round, the rainy months (December-February) can reduce water visibility and make inter-island crossings more choppy.
• Transportation Access: The main entry point is through Kalimarau Airport in Tanjung Redeb (Berau). Most liveaboard operators will pick up guests at the airport or a hotel in Tanjung Redeb and then take them to the departure port (usually Labuan Lanan Port or directly from a jetty in Tanjung Batu).
• Dive Certification: Given that some sites like Maratua have very strong currents, it is highly recommended for guests to have at least an Advanced Open Water certification. If you are still at the Open Water level, be sure to communicate this with the boat operator so they can adjust the dive plan.
• Equipment: Although liveaboard boats rent equipment, bringing your own mask, dive computer, and wetsuit is highly recommended for comfort. Make sure to also bring a surface marker buoy (SMB) as this is mandatory safety equipment when diving in open water with strong currents.
• Health: Ensure you have dive insurance (such as DAN - Divers Alert Network). Medical facilities on the islands are very limited, and the nearest decompression chambers are in Balikpapan or Manado.

Cuisine & Local Experience

A liveaboard experience is not just about what's underwater, but also about the hospitality and flavors on board. Most liveaboard boats in Derawan serve a blend of Indonesian and Western cuisine. However, don't miss the opportunity to taste the specialties of the Bajau tribe and the coastal communities of Berau.

One unique culinary experience to try is Tehe-Tehe, which is sticky rice cooked inside a cleaned sea urchin shell. It has a savory taste with a distinctive sea aroma. Additionally, Elai, a fruit similar to durian but with bright orange flesh and a less pungent aroma, is often available in local markets if you have the chance to visit the mainland.

Between dive schedules, you will usually be invited to visit local villages on Derawan or Maratua Island. Here, you can observe the daily life of coastal communities, watch craftsmen build boats, or buy handicrafts made from coconut shells. These interactions add a cultural dimension to your trip, reminding you that the underwater beauty you enjoy is highly dependent on the local wisdom of the people who protect it. Enjoying the sunset from the boat deck while sipping local Kalimantan coffee is the perfect way to end a day after four intense dives.

Conclusion

Choosing to go on a liveaboard in the Derawan Islands is an investment for a once-in-a-lifetime experience. With accessibility to iconic sites like Kakaban, Sangalaki, and Maratua in one travel package, you get time efficiency and maximum diving quality. The biodiversity from macro to megafauna, combined with unique geological and local cultural aspects, makes Derawan a must-visit destination for every serious diver. Prepare yourself well, choose a reputable boat operator, and get ready to be amazed by one of the most magical corners of Indonesian waters. Happy diving!