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Due to its remote location, this area of Borneo sees relatively few divers, which is why its biggest attractions are still a relative secret.

Sangalaki is renowned for its sightings of manta rays, due to the number of cleaning stations around the island. Gently sloping reefs, with a maximum depth of around 20 metres, make it a great place to see both large and small marine life. 

Maratua Atoll - known as Big Fish Country - offers the best prospects for larger pelagics, with divers often sighting hammerhead and leopard sharks, tuna, turtles, eagle and manta rays. 

Kakaban Island features jellyfish lake, home to a variety of distinct species that have adapted to live in the brackish water. They include four species of sting-free jellyfish and countless invertebrates. 

For divers seeking off the beaten track adventure, Kalimantan offers much to enjoy.

Key info

  • Ideal for viewing: green turtle, pelagic thresher shark, scalloped hammerhead shark
Suggested accommodation options are shown below. Please contact us for further recommendations.

Maratua Paradise Resort

Located off the east coast of Kalimantan on the island of Maratua, this resort comprises eight beach chalets and five water bungalows and offers some of Indonesia’s most remote and pristine diving.

Nabucco Island Resort

Built in the middle of tropical vegetation, without felling a single tree, this exotic resort is ecologically sound and a perfect location to dive the 'Big Fish Country' sites off the Kalimantan coast.

Nunukan Island Resort

Located on the south eastern tip of the lagoon on the Maratua Atoll, this resort offers guests lavish bungalows and provides adventurous divers with access to some of Indonesia’s finest diving.