Diving in Kupang: healthy reefs and breathtaking cave diving

Written on November 17, 2017
Updated on September 3, 2026

By Julie — Rescue Diver, 1,500+ dives, 135 countries

We went sea and cave diving in Kupang. It was incredible to see healthy coral reefs so close to town. We even encountered dolphins in the Kupang Bay.

Wooden boat moored in bright turquoise shallows off a low shore — Kupang – The bay

Batfish gathering under a jetty in shallow green water at Kupang — Diving in Kupang – batfishes near fishermen boats

Hard corals on the reef with a white sea whip growing between them — Kupang – searhorse

Although it was awesome to see Kupang underwater, diving in Alor is much nicer with better visibility, and so I advise that you spend more time diving there. You can find my post about Diving in Alor here

Cave diving in kupang was, however, the high point of our trip to Kupang. There is a place in the cave where salt water mixes with sot water, which feels like a whole new world. If you love diving, you don’t want to miss this. Donovan is the only operator, and he is incredible. He is also well-versed on the region as he has been living there for more than a decade and gave us many helpful tips on what to visit in central Timor.

kristal cave welcome sign in kupang — Kupang – arriving at Kristal cave

inside kristal cave in kupang — Cave diving in Kupang – inside the cave

kristal cave kupang exit — Cave diving in Kupang – exit

kristal cave in kupang underwater — Cave diving in Kupang – underwater

If you have a few more days in East Timor, read my article about going off the beaten track in central Timor. This article also contains practicle tips about getting to Kupang and places to stay.

Many amazing diving destination are within a direct flight of Kupang so also consider diving in Alor, Komodo and Maumere

Have you ever dove in Kupang? I’d love to hear from you! You can leave a comment below.

My Top Travel Tips

Never book the first price you see. I run the same room through Booking.com, Trip.com, Expedia and Vio.com before I commit — and anywhere in Southeast Asia I add Traveloka, which holds rates the global sites don’t show. No platform is always the cheapest: Trip.com usually wins across Asia, Expedia on flight-and-hotel packages, Vio.com on raw price. I was sceptical the first time I used it; it saved me 20%. Is Vio safe? I price-tested it against Booking.com and Expedia — the full numbers are here. Five minutes of comparing regularly takes 10–20% off the same stay.
Compare flights the same way. I start on Aviasales — lowest fares from reliable agencies, no added fees or markups, and a flexible-date search that shows when flying a day or two either side costs less — then cross-check Kiwi.com, which builds cheaper routings by combining airlines that don’t sell tickets together. If you book one of those self-connections, read what the Kiwi.com Guarantee covers first.
I book tours and experiences with GetYourGuide for the 24-hour free cancellation, check Viator when it doesn't have what I want, and read the newest reviews on Tripadvisor before booking anything.
Never travel without insurance. VisitorsCoverage compares policies for your specific trip — and if you dive, confirm the policy actually covers it.
For airport lounge access, sign up for Priority Pass — over 1,300 lounges worldwide, and it pays for itself in two trips.
Sort your SIM before you fly. I install an Airalo eSIM before departure — data plans for over 200 countries, set up in minutes, and no roaming bill waiting for you when you land.

The full strategy is in my guide to finding hotel and flight deals without sacrificing luxury.

1 thought on “Diving in Kupang: healthy reefs and breathtaking cave diving”

Peter
at
Yes, I dived with Donovan last year. Terrible climb up and down the cave entrance but the dive as absolutely worth it for my first ever cave dive.
There are some critters there as well, including a shrimp and a moray eel. The remnants of sea life which died thousands of years of ago made it very interesting too and great for photos.
Shame there’s so much rubbish in the waters.
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