Indonesia dive sites

Indonesia sits at the heart of the Coral Triangle — the highest marine biodiversity on Earth. Bali is the accessible training gateway. Komodo delivers big-animal drift diving with iconic dragons on the surface. Raja Ampat is the biodiversity peak most divers save for years to reach. Bunaken + Lembeh in North Sulawesi round out the world-class list.

By region

Bali

Easy → advanced

Best season: Apr–Oct dry

Tulamben USS Liberty wreck
Iconic 120m shore-dive wreck; Open Water accessible from 5m
Manta Point + Manta Bay + Crystal Bay
Manta rays year-round + mola mola Jul–Oct
Nusa Penida walls
Drift diving through cold thermoclines

Komodo (Labuan Bajo)

Advanced (currents)

Best season: Apr–Nov

Castle Rock & Crystal Rock
Big-animal drift diving; Nitrox strongly preferred
Batu Bolong pinnacle
Corals + reef-sharks; strong current
Komodo 7-day trip planner
Full itinerary + logistics

Raja Ampat (West Papua)

Advanced + 50 logged

Best season: Oct–Apr (inverted)

Cape Kri, Blue Magic, Misool
Peak marine biodiversity worldwide
Raja Ampat 7-day itinerary
Liveaboard vs resort-base pathway
Bali vs Raja Ampat comparison
Which to do first

North Sulawesi (Bunaken + Lembeh)

Easy → advanced

Best season: Apr–Nov

Bunaken Marine Park
Steep walls; visibility 20–30m
Lembeh Strait (Bitung)
Muck-diving world capital

By certification level

Cert level	Where to dive	Note
Discover Scuba (no cert)	Bali (Tulamben shallow, Gili Air), Bunaken	One-day try dive to 12m max
Open Water	Bali Tulamben stern, Amed reefs, Gili Islands	Cheapest cert Indonesia; 3–4 days
Advanced Open Water	Add Nusa Penida drifts, Komodo mellower sites	Adds 30m depth + deep-dive skill
Advanced + 50 logged	Full Komodo, Raja Ampat, Banda Sea, Wakatobi	Current-capable divers only

Before you dive Indonesia

DAN dive insurance is essential — normal travel insurance excludes below 18m or without cert.
Flying-after-diving: minimum 18h after a single dive, 24h+ after repetitive or deep dives.
Verify your operator’s PADI 5-Star or SSI Diamond status. Cheap beachfront shops sometimes aren’t certified.
Marine park fees apply in Komodo, Raja Ampat, and Bunaken — build into budget.