Natural And Marine Tourism Park Of Sangiang Island

Situated in the Sunda Strait that separates the large islands of Java and Sumatra, and north east of the Krakatau volcanic IslandsSangiang Island is a Marine Nature park which offers some of the best underwater marvels found in Banten. Administratively, Sangiang forms part of the Anyer District, Serang Regency, in the province of Banten.

Sangiang offers some of the best diving experiences close to the capital city of Jakarta. Nearer to shore, where the waves are relatively calmer, the waters around Sangiang Island are perfect for snorkeling. Although the waves will be relatively stronger in several spots, below the surface one can see some of the most amazing underwater spectacles. The sheer sensation of getting up close and personal with the dwellers of the sea floor is truly one of a kind.

Sangiang island, Banten
Sangiang island, Banten (Source :

Sangiang is known as habitat of soft corals. At a depth of 11th to 15th meters, you can already observe soft corals of various sizes, shape, and color spread over the sea floor. Around the Tanjung Bajo area, you can see schools of yellowtail fish swimming at a depth of about 20thmeter. You can also watch large groupers among the colorful coral reefs. For macro photography enthusiasts, there are plenty of nudibranches here with various bright colors that would make interesting objects. There are at least 12 identified diving spots here, which offer equally splendid diving experience.

Sangiang Island was initially designated a natural reserve based on the Decree of the Forestry Ministry no.112/Kpts-II/1985, covering a total area of 700.35 hectares. Considering its potential and abundant resources, the island and its surroundings area were later converted into a Natural and Marine Tourism Park since 12th October 1993. The park encompasses a total area of 1,420.35 hectares and consists of 700.35 hectares land area and 720 hectares of Marine Park.

Sangiang island, The Marine Park in Banten
Sangiang island, The Marine Park in Banten (Source :

Aside from the underwater splendors, the island itself is also home to various rare flora such as cemara laut (casuarina equisetifolia), dadap laut (erithrina variegata), bayur (pterospermum javanicum), ketapang (terminalia catappa), nyampulng (callopphyllum inoplhyum), api-api (avicena sp),  wlaikukun (actinophora fragrans), and more. The island is laso the dwelling place of various rare and unique animals such as lutung ape (trchyptus auratus). Crab eating macaques (macaca fascicularis), wild cats (felis bengelensis), kuntul berang (egretta sacra), alap-alap (elanus hypoleucus), python snakes (phyton reticularis), and more.

The island also holds traces of history of World War II battles that left their mark in the ruins of the fort, as well as cannons left by the Japanese forces on the island.


There are only a few guesthouses on Sangiang, since the island is only inhabited by about 50 families. However a a plan is currently ongoing to establish Sangiang Island as a tourist resort complete with hotels and other facilities.


From the capital city of Jakarta, you must first reach Anyer before sailing to Sangiang Island. From Jakarta, take the Jakarta – Merak Toll Road passing Serang, capital city of Banten Province, and take the exit at Cilegon. From Cilegon, the journey continues to Anyer until you reach Paku Port. The trip from Jakarta to Paku Port in Anyer will take approximately a little over 4 hours. From there, you can charter a boat to Sangiang Island which will take about 1 hour.  Alternately, you can also rent boats at Mabak Dock near the port of Merak.

Its location in the Sunda Strait seas which is directly connected to the Indian Ocean means that your trip will come across some strong winds and waves. Prepare yourself for a bit of a bumpy boat ride and splashes. However, the long and somewhat turbulent journey will be truly paid off once you put on your goggles and dive into the beauty of Sangiang Island.

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