This article is intended to provide the already qualified Scuba diver with information which will help to plan dives in the waters of Indonesia, whether as a local resident or a visitor. Information is provided without prejudice, and is not guaranteed accurate or complete. Use it at your own risk.
Indonesia is the biggest archipelago nation in the world with more than 18,000 islands based on satellite count, but only somewhat more than 13,000 islands have been named and registered with the UN. It offers some of the most diverse diving experience in the world from north to south and from west to east; From very-accessible Bali, to extreme wilderness and some of the most diverse marine life in the world in the far-eastern Indonesian islands.
In early 2017, Dive magazine announced best top ten dive sites in the world based on readers' choice, three of them, Raja Ampat, Alor, and Komodo, are in Indonesia. These three sites have strong currents, but more sheltered sites for novices are available.
- Papua: — the archipelago of Raja Ampat, in the waters of the Bird's Head Peninsula in Indonesian Papua, is regarded by Conservation International as the area with the highest marine biodiversity (e. g. 553 species of corals out of the total 798 known species) on earth. Higher than any other areas in the Coral Triangle compound which consists of Papua New Guinea, Indonesia and the Philippines. It is also insanely off-the-beaten-path which greatly helps to preserve its pristine nature, options to visit the area include staying in a liveaboard or staying in one of the few resort islands Misool or Sorido.
- Alor Archipelago: — very off-the-beaten-path diving in the east of Nusa Tenggara.
- Flores and Komodo National Park: —
- Bali: — Menjangan Island in the north-west, and Tulamben (USS Liberty wreck) which separates in 3 parts in different depths in the north-east coast and Amed in the east, offer pleasant and accessible shore diving through wrecks, walls and reefs. Divers visiting Bali often base themselves at Lovina, Candidasa and Amed to access the sites.
- Gili Islands and Lombok: — the three Gili Islands are a major teaching centre and are known for the ease of diving conditions.
- Kalimantan: — Touchable jellyfish in lake on an atoll with not too salty water in Derawan
- Sulawesi: — intermediate to advanced diving, with occasionally strong currents.
- Pulau Weh, Sumatra: —
- Banda Islands, Maluku: —