Castle Rock
AdvancedA submerged seamount that draws dense schools of trevally, surgeonfish and fusiliers, with grey reef sharks patrolling the current line. Reef hook territory — you anchor yourself in the flow and let the action come past.

Charter the whole vessel and dive Komodo on your own schedule — Castle Rock at slack, Manta Alley when the rays are in, four dives a day if that is what your group wants.
Komodo National Park sits on the strait between the Flores and Sumba seas, and the water that pushes through it is what makes the diving what it is. Cold, nutrient-heavy upwellings feed the seamounts in the north and the soft-coral gardens in the south, which is why a park this compact can hold both a schooling-fish spectacle like Castle Rock and a manta cleaning station like Karang Makassar within a morning's steam of each other.
That same current is why the region rewards a private dive charter more than almost anywhere else in Indonesia. The premier northern sites only fish properly around slack water, and slack moves every day. When you charter the whole vessel, your captain and divemaster plan the day around the tide table rather than around a fixed timetable that has to suit twenty strangers.
Navélia arranges private whole-boat dive charters across Komodo from Labuan Bajo on Flores. Every charter is quoted for the entire vessel and crew, with the dive setup — compressors, guiding, rental equipment — built around the group aboard.
You charter the whole vessel, so the dive operation belongs to your group alone. Here is what that means in practice.
Tanks are filled aboard so dives are never rationed by a shore schedule. Nitrox is available on selected vessels — we confirm which ones when we shortlist for your dates.
A certified divemaster or instructor can be placed aboard as part of the charter, so the guiding is yours alone rather than shared with strangers.
BCDs, regulators, wetsuits and dive computers are supplied on request. You can fly in with nothing but a mask and a certification card.
Every dive charter is built per booking: guiding, equipment and route are matched to the vessel and to the certification level of the people aboard.

Komodo's dive sites split cleanly into a northern group, swept and pelagic-heavy, and a southern group, colder and richer in macro life and soft coral. A three-night charter typically covers the north; five nights and upward lets you reach the south properly.
A submerged seamount that draws dense schools of trevally, surgeonfish and fusiliers, with grey reef sharks patrolling the current line. Reef hook territory — you anchor yourself in the flow and let the action come past.
A pinnacle topping out just below the surface, with visibility that routinely justifies the name. Hard coral on the shallow crown, sharks and schooling jacks off the exposed side.
A drift through a bowl between Gili Lawa Darat and Gili Lawa Laut that funnels into a fast exit — the 'shotgun'. Eagle rays and sharks stack up in the bowl before the ride out.
A current-fed channel between Komodo island and Gili Lawa Darat. A pure drift dive over coral bommies with schooling fish and frequent turtle and shark sightings.

A narrow rock rising from deep water, with what is arguably the densest hard coral cover in the park. Dived on the sheltered side as the current splits — buoyancy discipline is essential because the drop-off is unforgiving.
A long, relaxed drift along a slope carpeted in orange soft coral. One of the best sites in the park for divers building confidence in moving water.
A wide rubble flat where reef mantas feed and get cleaned year-round. Shallow, easy and often the highlight of the week for divers and snorkellers alike.
A sheltered bay with a sandy slope, resident green turtles and a garden-eel field. The standard checkout dive and a reliable night dive.
A gentle sloping reef beside a white-sand beach, with a manta cleaning station on the ridge. Calm enough to run alongside a beach afternoon for non-divers.
A channel between rocks off Nusa Kode where reef mantas queue up at cleaning stations. Cooler water and surge, but the encounters are close and often prolonged.
Komodo is divable year-round — the question is which half of the park you point the yacht at. The north is at its best from April to November, the south comes into its own from December to February, and the mantas are essentially a constant.
| Months | Where to dive | Conditions | Highlight |
|---|---|---|---|
| April – June | North Komodo | Building visibility, warm water 27–29°C | Castle Rock and Crystal Rock at their clearest |
| July – August | North & central | Peak season, strong currents, 26–28°C | Big schooling action; book 6–9 months ahead |
| September – NovemberSeptember — now | North & central | Excellent visibility, settled seas | The connoisseur's window — great diving, thinner crowds |
| December – February | South Komodo | Cooler 20–24°C, plankton-rich, some surge | Manta Alley and Cannibal Rock; macro and soft coral |
| March | South & central | Transitional, variable visibility | Quiet park, strong value on charter rates |
Tell us your dates, group size and budget and we come back with the yachts genuinely available — direct owner rates, and a dive plan matched to your group. Takes about a minute.
Komodo's premier northern sites — Castle Rock, Crystal Rock, Batu Bolong, Golden Passage and The Cauldron — are advanced-level dives. Current is the attraction and the hazard in equal measure: it is what stacks the fish up, and it is what will move a diver off a pinnacle in seconds if buoyancy is loose.
A reef hook is standard kit in the north, and good trim matters more than logged dive count. Divers who are comfortable with negative entries, drift ascents and holding position in moving water get the most out of the park.
Water temperature runs roughly 26–29°C in the north. In the south it drops to 20–24°C because of upwelling, so a 5mm suit — sometimes with a hood — is the right call on any itinerary that goes below Rinca.
Komodo diving is a timing problem. Castle Rock fishes on one tide and is a grey, empty rock on another. On a shared departure, the site order is set before you board and has to work for everyone aboard. On a private charter, the captain reads the tide table each evening and moves the plan.
It also changes the shape of the day. Four dives, including a night dive, is a normal request on a private charter. So is skipping the afternoon dive because the light on Padar is too good to miss.
Every yacht below is chartered privately and exclusively — the whole vessel and crew are yours. Prices are for the entire yacht, never per person.
They are ordered from the most accessible upwards, so you can see the real span before you enquire. Dive setup differs per yacht — we confirm compressor capacity, nitrox and guiding for the vessel you shortlist.
Great value
Great value
Great value
Mid-range
Mid-range
Mid-range
Flagship
Flagship
FlagshipPrivate whole-vessel dive charters in Komodo start from USD 10,000, with a three-night minimum. That figure is for the entire yacht and crew, not per person — a group of six and a group of two pay the same for the same vessel.
Where the number moves is vessel class, season and length. Entry-level phinisi sit near the bottom of the range; premium and luxury vessels with larger dive decks, better tenders and nitrox capability sit well above it. July and August carry peak-season rates.
Diving itself is normally quoted as a dive package alongside the charter, and Komodo National Park entrance fees are paid locally. We set both out in writing before you commit — direct owner pricing, no broker fees.

On a cabin charter you book individual cabins on a shared departure rather than the whole vessel. It costs far less per person, and it is the honest option when a private charter is out of reach for now.
The trade-off is real: the itinerary and dates are fixed, the dive schedule is set for everyone aboard, and you share the vessel with other guests. If that suits you, it works beautifully. If you want the schedule to bend around your group, charter privately.
See cabin charter departuresSend us the one question holding you up — we usually answer within minutes on WhatsApp.

Tell us your dates, group size and certification levels. We come back with vessels that are genuinely free, direct owner rates and a dive plan matched to your group — usually within 24 hours.
Need help planning?
Our charters start from US$10,000 per trip. Chat with Olivia — we reply within 10 minutes.
Private whole-boat charters from US$10,000 per trip. No broker fees.