Sangalaki Island is one tourist destination to enjoy the beauty and wonders of diving underwater is amazing. Place ecotourism has many tourist attraction especially diverse sea, in addition to crystal clear beaches there are many marine life, Manta Ray, Turtle, Baraccuda and thousands of other species can be found there under the sea that live among the coral reefs that is amazing. To reach Sangalaki Island takes approximately 45 minutes from the island using Speedboat. Sangalaki island has 15.9 hectares wide, located in Derawan Islands, Berau regency, East Kalimantan. Has units of a flat coastal plain morphology. The island has lagon based shallow sand and overgrown by corals and seagrasses. Beach sand has a width of 12-15 meters with slopes between 6 ° -11 ° with the material making up the coast in the form of fragments of coral and the dominant grain size of coarse sand. In the waters surrounding the park and there are well-known as a tourist submarine (diving). Sangalaki Island stands a resort (Sangalaki Dive Lodge), who set up accommodation facilities, diving and guiding diving. There are a wide range of marine biota here, it’s a clear sea water into one of the attractions the beach, which is famous Stingrays Manta.
Manta ray fish commonly grouped in the waters of this island and can be assembled up to 20 tail light rays at the time of the month. They headed to the island to find food in the form of various types of plankton that numerous in these waters. The divers from around the world to name a few favorite dive spot in this region that is about Sangalaki Island, namely Run Manta, Manta Parade, Manta Avenue and located in the north east side of the island, is where you can watch a collection of giant stingray or manta ray fish. Besides fish, manta rays you can also find other marine life such as fish, Barracuda, located on the southern tip of this island, 
known as Barracuda Point As the name implies, the attraction that you will see there is a Barracuda fish. This location is a wall or walls of a steep dive to a depth of 20 meters. Occasionally there may be seen also a green turtle
. Not far from this place precisely in the archipelago there kakaban one of two salt water lakes in the world, one of which contained the Micronesian islands of Palau, Pacific Ocean. There once rich with a very unique biota,
one of which millions of Jellyfish Casiopea Xamacha who live in the lake, the jellyfish are not poisonous, so you can hold it while snorkeling ..
