Rangko Cave (Gua Rangko) is a hidden saltwater cave pool near Labuan Bajo — a 45–60 minute drive to Rangko fishing village, then a 15–30 minute local boat to Pulau Gusung, then a short walk to a turquoise lagoon that glows electric blue when the midday sun hits it. It sits outside Komodo National Park, so no park fees apply — which makes it the perfect land-day pairing before or after your Komodo boat trip.
How to Get There, Step by Step
- Labuan Bajo → Rangko Village: ~15 km northeast, 45–60 minutes by car or scooter through Boleng district. Drivers know it; our desk arranges the car if you’re combining it with a trip.
- Rangko jetty → Pulau Gusung: hire a local wooden outrigger (perahu) at the village — 15–30 minutes on the water. Boats are run by village families; this is their livelihood, and it works on friendly negotiation.
- Landing → cave mouth: 5–15 minutes on a rocky path — wear grippy footwear, not flip-flops.
Rangko Cave Costs 2026
| Item | Typical price |
|---|---|
| Entrance / village retribution | ~IDR 20,000 per person |
| Local boat, return (per boat, not per person) | IDR 200,000–300,000 — negotiate before boarding |
| Car + driver from Labuan Bajo (half-day) | IDR 400,000–600,000 |
| Komodo National Park fees | None — Rangko is outside the park |
Total for two people sharing boat and car: roughly IDR 350k–500k each for the half-day — one of the cheapest world-class swims in Flores.
The Blue-Lagoon Light: Timing Is Everything
The pool’s famous glow happens when direct sun drops through the cave mouth onto the water — a window of roughly 12:00–15:00 WITA, peaking between 12:30 and 14:30. Arrive at 10:00 and you’ll swim a beautiful but ordinary dark pool; arrive at 13:00 and the water turns luminous turquoise over white sand. Plan the drive to put you at the village jetty by 11:30. Tides matter less than sun — the pool is sea-connected and swimmable at normal tides year-round.
Swimming Rules & Local Respect
- The pool is ~4 m deep, salt water, brilliantly clear — swimming is the whole point.
- No jumping from the rocks — depth is uneven and rescue is an hour away.
- Never touch or hang from the stalactites; the formations took millennia.
- Slippery entrance — take the steps slowly, help older travelers (it’s very doable for seniors at an easy pace).
- Carry your rubbish out; Rangko village keeps the cave clean without park funding.
Rangko is a Bugis fishing settlement — the cave sits on community land, and the entrance fee plus boat hire is village income. A friendly hello and fair negotiation go further than a discount ever will.
Pairing Rangko with Your Komodo Trip
The itinerary logic writes itself: Komodo boats dock by 15:00–17:00 and we always recommend a buffer day before flying out — Rangko Cave is the best possible use of that day. Land pattern that works: morning at leisure, 11:00 depart Labuan Bajo, cave in the 12:30–14:30 light window, back in town for a waterfront dinner (where to eat). Pair it with Batu Cermin cave or Melo village if you want a fuller land day. Ask the desk to bolt it onto any package: WhatsApp us.
FAQ: Rangko Cave
Is Rangko Cave inside Komodo National Park?
No — it’s on the Flores mainland side, Boleng district. No park fees, no quota, no SIMAKSI needed for regular photography.
Can you visit Rangko Cave by boat directly from Labuan Bajo?
Some private boats include it on the sail in or out; the standard route is the drive + village boat, which keeps the money in Rangko village.
How long do you need at the cave?
45–90 minutes swimming and photographing is typical — the full outing is a comfortable half day from town.
Is it worth it compared to the park’s islands?
It’s a different genre — a cave swim, not a reef. As a land-day add-on it’s outstanding; it doesn’t replace a day in the park.