The best time to visit Derawan is during the dry season from April to October, when weather is sunny, seas are calm, and water visibility for diving and snorkeling is excellent.
Why April to October is Ideal
For those seeking a premium aquatic adventure, timing your visit to Derawan between April and October is key. This period offers the most favorable weather conditions for diving and snorkeling, featuring calm seas and clear waters. The dry season also aligns with the optimal visibility for observing marine giants such as manta rays and whale sharks.
Key Concrete Figures & Seasonal Highlights
| Activity / Site | Best Visibility Period | Concrete Details |
|---|---|---|
| Manta Rays (Sangalaki) | April – September | Peak visibility; intermediate experience level required |
| Whale Sharks (Kakaban jellyfish lake) | April – September | Best chance to observe feeding behavior |
| Jellyfish Lake (Kakaban) | Year-round | Stingless jellyfish present all months; calm surface conditions |
| Turtle Nesting (Derawan) | April – June | Highest chance to see turtles laying eggs |
| General Diving/Snorkeling | April – October | Water visibility ~20m; depths 15–35m |
Travel Logistics & Vessel Specifications
Getting to Derawan is a journey in itself. The nearest airport is Kalimarau (BEJ) in Berau, East Kalimantan. From there, a sea transfer will take you to the islands. For many, the adventure begins with a charter from Berau, a noted departure point for luxury vessels.
The local conservation fee is currently set at ~IDR 0 / ~USD 0 per foreign visitor, though some minor levies may apply locally.
Vessels and Itineraries
- Liveaboard: Offers 25–35m vessels with 5–7 cabins, suitable for 10–14 guests. These vessels come with day-use cabins.
- Dive Resort Boat: Ranges 12–20m, accommodating up to 14 guests, ideal for daytime explorations.
Recommended itineraries include the 4-night Derawan–Maratua–Kakaban cruise and a 7-night full dive liveaboard experience. Both options provide an immersive exploration of the region’s marine wonders.
Climate & Surface Conditions
Derawan’s climate is characteristically tropical, with average temperatures ranging from 23–32°C (86–88°F) throughout the year. While the rainiest months are January, April, May, October, November, and December, the months of March, June, July, and September are particularly advantageous for travel due to their sunnier conditions and calmer seas.
Surface conditions are typically calm from April to October, although the months from June to August may introduce mild waves.
Exploring Derawan’s Unique Marine Life
Derawan is famed for its diverse marine life. Manta rays at Sangalaki, whale sharks near Kakaban jellyfish lake, and the year-round presence of stingless jellyfish at Kakaban are just a few of the highlights. Turtle nesting on Derawan is most prominent from April to June, providing a unique opportunity to witness these ancient creatures laying their eggs.
2027 Note
With the increasing popularity of Derawan as a diving destination, it’s advisable to book your trip well in advance. The region’s peak national holidays can lead to a shortage of flights and accommodation, underscoring the importance of early planning.
Plan Your Luxury Charter
For those interested in a bespoke experience, private whole-yacht charters are available and priced per night. These include a full crew, a chef, and dive guides, ensuring a seamless and luxurious journey through this aquatic paradise.
Understanding Derawan’s Diving Seasons
The timing of your private yacht charter in Derawan is crucial for optimal diving experiences. The archipelago’s diverse marine life and lively reefs are best explored during specific periods, each offering distinct underwater spectacles.
From March to October, the region boasts the clearest waters, providing divers with remarkable visibility, often exceeding 30 metres. During this period, manta rays frequent the area, and divers have the chance to witness these graceful creatures at sites like Sangalaki manta point. Whale sharks can also be spotted in Kakaban jellyfish lake, particularly from April to September, when visibility is at its peak.
Aside from mantas and whale sharks, the unique stingless jellyfish in Kakaban’s lake can be visited throughout the year. This rare phenomenon allows for a truly unique swimming experience, with the jellyfish posing no harm to snorkelers or divers.
Luxury Onboard Experience
Choosing a private crewed yacht for your Derawan tour ensures an exclusive and personalised experience. Each yacht is equipped to cater to the needs of discerning travellers, providing an unmatched level of comfort and service.
The vessels, which range from smaller dive resort boats (accommodating up to 14 guests) to larger liveaboards with 5-7 cabins, offer a variety of onboard facilities. These include comfortable day-use cabins, spacious sun decks for relaxation, and dining areas where guests can enjoy exquisite meals prepared by an onboard chef.
- Personalised service from a dedicated crew
- Expert dive guides for safe and enriching underwater explorations
- Flexible itineraries tailored to guest preferences
Beyond the diving and exploration, guests can indulge in the luxury of privacy and the convenience of having a bespoke itinerary, with the freedom to explore the archipelago at their own pace.
Environmental Conservation and Responsible Tourism
Derawan’s pristine marine environment is a key attraction, and maintaining its ecological health is crucial. As part of responsible tourism, visitors are encouraged to respect local conservation efforts designed to preserve the area’s natural beauty and biodiversity.
The region imposes a small local levy on visitors, contributing to conservation initiatives and supporting local communities. These efforts focus on protecting coral reefs, marine species, and the unique habitats of the islands.
Guests aboard private charters are encouraged to engage in sustainable practices, such as minimising waste and avoiding single-use plastics. The crew is well-versed in environmental awareness and can provide guidance on how to enjoy the natural surroundings responsibly.
By choosing a charter that prioritises eco-friendly practices, guests contribute to the preservation of Derawan’s unique ecosystems, ensuring that future generations can continue to enjoy this remarkable destination.
Flexible Itineraries for Tailored Exploration
Chartering a private yacht around Derawan offers the unique advantage of crafting your own itinerary. If your interest lies in diving with whale sharks or exploring the cultural aspects of the region, itineraries can be adapted to suit your preferences. The flexibility to choose your own route and timing ensures that each voyage is a bespoke experience, tailored to your interests and schedule.
With options ranging from a 4-night exploration focusing on the highlights of Derawan, Maratua, and Kakaban, to a more immersive 7-night diving adventure, guests have the opportunity to explore at their own pace. Each itinerary is meticulously planned to maximise both relaxation and adventure, ensuring that your time aboard is as enriching as it is enjoyable.
Key sites often included in itineraries are:
- Kakaban Jellyfish Lake – Swim amongst stingless jellyfish in a unique saltwater lake environment.
- Maratua Atoll – Known for its stunning atoll and lively marine life.
- Sangalaki Manta Point – Famous for manta ray sightings, particularly between April and September.
Cultural Encounters and Local Experiences
Beyond the natural wonders, a private yacht charter offers the chance to immerse oneself in the cultural richness of the Derawan Islands. The region is home to diverse communities, each with its own unique traditions and heritage. Visiting local villages provides an opportunity to engage with the warm and welcoming residents, who often share insights into their way of life and traditional practices.
Guests may partake in activities such as traditional fishing methods, or learn about the significance of local crafts and cuisine. These cultural encounters not only enrich the journey but also provide a deeper understanding of the region’s history and its people.
Some cultural highlights include:
- Local Villages – Experience the traditional lifestyle and customs of the island communities.
- Culinary Experiences – Sample local delicacies and learn about traditional cooking techniques.
- Craft Workshops – Participate in workshops that highlight the unique artistic traditions of the islands.
To plan your charter on WhatsApp, contact us at your earliest convenience to secure your ideal travel dates and explore all that Derawan has to offer.
For itinerary suggestions, visit our Derawan Island Tour Itinerary page. To learn more about our offerings, see the Derawan Island Tour section.