By Sangalaki Diving Authority Theo Pereira · Theo Pereira, Founder & Editorial Director · Last reviewed June 2026

Definition of Sangalaki Diving

Sangalaki Diving refers to the vibrant underwater experiences centered around Sangalaki Island in Indonesia, famous for its rich marine biodiversity, including the world’s highest density of turtle nesting beaches and exhilarating dives with mantas and jellyfish. It offers an array of diving itineraries tailored for enthusiasts eager to explore not just Sangalaki, but also the surrounding Derawan Archipelago and further destinations like Komodo.

Understanding Sangalaki Island and Its Marine Treasures

Sangalaki Island is part of the Derawan Archipelago, located off the coast of East Kalimantan in Indonesia. This tropical paradise is renowned for its stunning coral reefs, diverse marine life, and pristine beaches. The Sangalaki Marine Reserve is particularly notable for its vibrant ecosystems, which include over 500 species of fish and various types of coral. The island is also a prime nesting ground for green and hawksbill turtles, drawing enthusiasts and researchers alike.

Within the reserve, divers can experience thrilling encounters with majestic manta rays at Manta Point, explore the surreal Jellyfish Lake, and dive in crystal-clear waters that boast visibility of up to 30 meters. The ideal diving season runs from April to November, with water temperatures generally hovering around 28-30°C (82-86°F).

Planning Your Sangalaki Diving Itinerary

When considering a trip to Sangalaki, developing a structured diving itinerary is crucial for maximizing your dive experience. Below are some sample itineraries for different durations that include Sangalaki’s highlights.

7-Day Sangalaki Diving Itinerary

Day 1: Arrive in Balikpapan, East Kalimantan. Transfer to Berau, then a boat ride to Sangalaki. Check-in at a local dive resort.
Day 2: Morning dive at Manta Point, followed by an afternoon dive at Sangalaki’s coral gardens.
Day 3: Dive at the famous Jellyfish Lake, observing the unique jellyfish species. Afternoon dive at the outer reefs.
Day 4: Explore Maratua Island with two dives, including a drift dive, before returning to Sangalaki.
Day 5: Day trip to Kakaban Island for another dive in Jellyfish Lake and coral reef exploration.
Day 6: Relaxation day on Sangalaki’s beaches, optional snorkeling, or wildlife viewing.
Day 7: Transfer back to Berau and fly to your next destination.

10-Day Derawan Archipelago Dive Plan

For those wanting a more comprehensive dive experience, a 10-day itinerary through the Derawan Archipelago can be meticulously planned. Here’s a suggested outline:

Days 1-2: Arrive in Balikpapan, transfer to Berau, and spend two days diving around Sangalaki, including Manta Point and Jellyfish Lake.
Days 3-4: Travel to Derawan Island for four dives, exploring the rich reefs and vibrant marine life.
Days 5-6: Move to Maratua Island for additional dives, with a strong focus on drift dives.
Days 7-8: Visit Kakaban Island for Jellyfish Lake and diving the surrounding reefs.
Days 9-10: Return to Sangalaki for one last round of diving before heading back to Berau.

Sangalaki Mantas and Jellyfish Lake Itinerary

If your primary interest lies in observing the majestic mantas and experiencing the unique Jellyfish Lake, this tailored itinerary is perfect:

Day 1: Arrival in Berau, transfer to Sangalaki.
Day 2: Morning dive at Manta Point, afternoon exploration dive.
Day 3: Full day at Jellyfish Lake with two dives and an evening return to Sangalaki.
Day 4: Optional additional dive or relaxation day.
Day 5: Departure from Sangalaki.

East Kalimantan and Komodo Combo Trip

For divers wishing to combine their Sangalaki experience with the wonders of Komodo, a well-structured itinerary can be planned. This is a great way to see some of Indonesia’s best dive sites.

Days 1-5: Start in Sangalaki with a diving schedule that encompasses Manta Point, Jellyfish Lake, and the surrounding reefs.
Days 6-8: Fly from Berau to Labuan Bajo (the gateway to Komodo). Spend these days diving at renowned sites such as Batu Bolong and Castle Rock.
Day 9: Visit Komodo Island for a land tour and one last dive.
Day 10: Depart from Labuan Bajo.

Two-Week Indonesia Dive Itinerary Including Sangalaki

A two-week adventure is ideal for divers who wish to immerse themselves fully in Indonesia’s diverse marine environments. Here’s a comprehensive overview:

Days 1-3: Arrival in Balikpapan, transfer to Sangalaki. Dive at Manta Point.
Days 4-5: Explore the outer reefs and Jellyfish Lake.
Days 6-7: Day excursions to Maratua and Kakaban.
Days 8-10: Fly to Labuan Bajo, with dives at the top Komodo sites.
Days 11-12: Dive at Rinca Island and the northern Komodo dive sites.
Days 13-14: Relax at Komodo before flying out.

Singapore 1 Week Sangalaki Diving Plan

Travelers from Singapore can easily plan a week-long diving trip focused on Sangalaki. Here’s a simple itinerary:

Day 1: Fly from Singapore to Balikpapan, then transfer to Berau.
Day 2: Arrive at Sangalaki, dive at Manta Point.
Days 3-4: Dive at Jellyfish Lake and coral gardens.
Day 5: Day trip to Maratua Island.
Day 6: Final dives and relax on the beach.
Day 7: Return to Berau and fly back to Singapore.

Sangalaki Maratua Kakaban Day by Day

For a more focused exploration of Maratua and Kakaban, consider this day-by-day plan:

Day 1: Arrive in Berau, transfer to Sangalaki.
Day 2: Morning dive at Manta Point, afternoon at the coral gardens.
Day 3: Head to Kakaban for Jellyfish Lake diving and reef exploration.
Day 4: Return to Maratua for additional reef dives.
Day 5: Relaxation day with an optional snorkeling trip.
Day 6: Return to Berau for departure.

Frequently Asked Questions

What is the best time to dive in Sangalaki? The best time is from April to November, with calm waters and excellent visibility.
How much does a diving trip cost? Prices can range from $700 to $1,500 for a week-long package, including accommodation and diving.
Are there any safety concerns while diving? Always dive with a reputable operator, and ensure you have appropriate insurance for diving activities.

Diving in Sangalaki offers a unique experience filled with colorful marine life and stunning underwater landscapes. planning a short stopover before heading to Komodo or an extended exploration of the Derawan Archipelago, there’s a diving itinerary to suit every adventurer. Plan your trip today and dive into the wonders of Indonesia!

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This editorial briefing on Sangalaki Diving Itineraries Connecting To Komodo reflects current intelligence as of June 2026. Updated quarterly. For specific inquiries, contact the editorial team — senior analyst response within 24 hours during business hours.