Kakaban, one of the clusters Islands Derawan nominated as a World Heritage Area. For those of you enthusiasts of maritime tourism, which has a wide area has a population of 774.2 hectares and the diversity of jellyfish in the world's most lots, four unique species that are not jellyfish stings. It took 45 minutes from Kakaban Derawan to use boats. Boat rental fee can be three times as many fishing boats which require only cost $ 30 for the same distance.

The island is surrounded by high cliffs, west plains stretching beyond the cliff meters wide consisting of 50s rock. From the plains of the rock you can snuggle, certainly with a bathing suit and snorkeling equipment swim toward land. Some parts of mainland reefs still closed shallow sea water approximately 30 cm. In a puddle of water that a bunch of small-sized fish anchovies around the coral bright green.

At the foot of the cliff there are wooden stairs that climb and then down 120 meters away, leading you to the edge of the lake behind the hill. This staircase is made of meranti wood and on both sides of the stairs looking grove of mangrove trees (Rhizophora) interspersed with other genera of tropical trees towering form of mangrove forests, such as tanjang (Bruguiera), apiapi (Avicennia), and Sonneratia (Sonneratia).

As an island atoll has a lagoon of brackish water in it, Kakaban rare. Because, in this world there are only two known to have similar conditions, namely Kakaban and Island of Palau, in Micronesia, is 1000 kilometers from the Philippines. Kakaban shaped figure "9", on the north circular in an atoll or ring-shaped rock. In it formed lagoon called Lake Kakaban locals.

Kakaban contains brackish water lake inhabited by diverse marine life that evolved during confined in it, so has the nature and physical appearance is different from other similar species in the sea. One of them is incorporated under the translucent jellyfish like glass plates (Aurelia aurita) and several other species that looks much more petite size of the tip of the index finger (Tripedalia cystophora). While the sekepalan hand, like incandescent light bulbs brownish blue (Martigias papua) are more dominant in number among others. With three types of jellyfish, there are also species of the jellyfish Cassiopeia ornata which became a trade mark Kakaban. What distinguishes this endemic species with a jellyfish on the high seas is the loss of the ability to sting. While the unique habits of Cassiopeia is swimming upside down. By exposing "leg" or tentacles to the top.

There are eight species of fish in Lake Kakaban, four of whom are Cardinalfishes (Apogon lateralis), puntang (Exyrias puntang), anchovies reefs (Antherinomorus endrachtensis) and needlefishes-fated to be unlucky (Zenarchopterus dispar). At the root Rhizopora that sank on the banks of Lake Kakaban commonly found algae Halimeda and Caulepa, which resemble small green grapes. Kakaban can be said as the last bastion where marine life in areas protected from human incursion whose population has been increasing.
Outer side Kakaban is high and steep cliff straight into the sea, with its coral reefs are very beautiful, bergua-caves and alleys, into a paradise for divers. Kakaban administratively included in Berau regency, Derawan Islands, East Kalimantan.

Anyone who explored the Lake Kakaban with diving equipment / snorkel, or watch the underwater video documentation will understand why Kakaban should be a source of national pride. Diving world has known some point dive around Kakaban, the Barracuda Point, The Drift, Cabbage Patch, The Wall, Blue Light Cave, The Plateau, Rainbow Run, Diver's Delight and The North Face. Variations of the various types of dive sites is very interesting for experienced divers.

Terrain is difficult, dangerous and the lack of berths in Kakaban make this a challenging dive sites. Note the divers also shows, the animals in this lake has a more colorful light when it was getting dark