Komodo

Komodo

South East Asia

Indonesia

£2.50

Diving Komodo

Komodo National Park sits between Sumbawa and Flores, where the Pacific and Indian Oceans squeeze past each other. That funnel is what makes the diving extraordinary and demanding in equal measure: nutrient-rich upwelling feeds enormous schools, manta rays and thriving coral, but it also generates some of the strongest currents in Indonesia. The park splits neatly in two. The north is warm, clear and dominated by big fish action at sites like Castle Rock and Crystal Rock. The south is a different world — cold upwelling can drop the water to around 20°C, and the payoff is extraordinary macro life and the manta aggregations at Manta Alley. Most divers arrive via Labuan Bajo on Flores, either by day boat or on a liveaboard covering both halves of the park.

Best time to dive
April to November for the whole park; the north dives well year-round
Difficulty
Intermediate to advanced — strong currents, including downcurrents
Water temperature
27–29°C in the north, but 20–24°C in the south — bring a 5mm
Visibility
15–30m, varies with tide and plankton

Top dive sites

  • Batu BolongA pinnacle carpeted in fish — dive the sheltered side
  • Castle RockSeamount with trevally and grey reef shark action
  • Crystal RockClear water, hard coral, schooling fish
  • The Cauldron ("Shotgun")A drift through a channel that fires you out over a plateau
  • Manta Alley (south)Reliable manta cleaning station in cooler water

What you’ll see

Reef manta raysGrey reef and whitetip reef sharksGreen and hawksbill turtlesHuge schools of trevally and surgeonfishFrogfish, nudibranchs and rare macro in the south

Frequently asked questions

When is the best time to dive Komodo?

April to November is the classic season, covering the dry months when seas are calmest and the southern sites are reliably accessible. The northern park dives well all year, so Komodo is close to a year-round destination if you are flexible. January and February bring the heaviest rain and rougher crossings. Manta rays are present year-round but tend to be most active in the cooler, planktonic water between December and February — which is also when the south is at its coldest.

How cold is the water in Komodo?

Colder than most people expect for Indonesia, and it depends entirely on where in the park you are. The north sits at a comfortable 27–29°C. The south is fed by upwelling from the Indian Ocean and regularly drops to 20–24°C, occasionally lower on sites like Cannibal Rock. If your trip includes the southern park — and it should, because the macro life there is exceptional — take a 5mm wetsuit with a hood, or plan on a hooded vest. Divers who pack only a 3mm often cut southern dives short.

Is Komodo suitable for beginners?

Parts of it, with the right guide. Komodo is genuinely current-driven and includes downcurrents at exposed sites like Batu Bolong and Castle Rock, so operators typically ask for Advanced Open Water and around 30–50 dives for the signature sites. Newer divers can still have a great trip from Labuan Bajo by sticking to sheltered sites and slack tides. The critical thing is dive timing: a site that is benign at slack water can be serious an hour later, which is why local guides who read the tides matter so much here.