Indonesia is in the “Coral Triangle”, the area of the Pacific Ocean including Malaysia, the Philippines and the Salomon Islands. This area, which is rich in coral reefs and represents barely 1% of the ocean surface area, concentrates the greatest underwater biodiversity in the world. It is estimated that it contains 30% of the coral reefs and 35% of the species of reef fish in the world (over 3000 species).

Bali, Lombok and the small neighbouring islands (Nusa Penida, Gili Islands) are the main snorkeling destinations in Indonesia. Here there are top-quality snorkeling spots (reefs and shipwrecks, such as the wreck of the USS Liberty), although high tourist numbers and the over-use of resources have strongly contributed to the deterioration of the coral. The small island of Pulau Menjangan is probably the best snorkeling spot in Bali, a wonderful and exceptionally well-preserved reef drop-off, and not to be missed during your visit to the island.

Snorkeling with sea turtles at Gili Islands, Indonesia
Coral reefs and sea turtles make the Gili Islands a great snorkeling destination, they can be visited in addition to a Bali or Lombok trip (left: red lionfish at Gili Air, right: two green sea turtles wandering over seagrass at Gili Trawangan).

Outside this area, Raja Ampat and its 1 500 islands, large and small, Sulawesi (Togians Islands, Bunaken Marine Park…), Sumatra or the Komodo National Park also offer a wealth of high-quality spots.

In Indonesia it is easy to see green and hawksbill sea turtles (particularly in the Gili Islands), clownfish, angelfish, giant clams or the fascinating ocean sunfish, known locally as the “mola mola”. If you are very lucky, you will cross the path of reef sharks and manta rays in certain areas.

Snorkeling the Bunaken Marine Park - Bunaken and Siladen Snorkeling
Exceptionally well-preserved coral drop-offs can be seen in Bunaken Marine Park, which notably includes Siladen Island and Bunaken Island.

When to go snorkeling Indonesia?

In Indonesia, the climate is always warm and humid. With water temperature on average from 82 to 86°F (28 to 30°C), snorkeling is possible all the time, although you need to bear in mind the rain, which can be heavy at certain times.

From November to April, during the rainy season, the heat is stifling (with a peak in January/February) and the humidity rate nears 75%. The dry season, between May and October, probably represents the best period for snorkeling in Indonesia, with low rainfall and an average temperature of 86°F/28°C.

Visitor numbers are high in Bali in December and January (during the Christmas holidays), and in July and August. Taking into account the climate and the busy tourist periods, the best months for exploring the country are May, June and September.

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New snorkeling spots to share in Indonesia?

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More than 200 spots have already been published on Snorkeling Report, but there are still many spots to be added! You too can contribute to populate the map by sharing your favorite snorkeling spots around the world. The more snorkelers will contribute, the easier it will be for you, and other snorkelers, to find sites and enjoy the underwater world!

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Where to spot them?

Discover on which snorkeling spots you are most likely to see your favorite species
Our favorite spots in Indonesia

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