Labuan Bajo runs on Indonesian Rupiah, and the further you get from town the more cash starts to matter. You can absolutely use cards in parts of town, and you can get cash out locally, but this is not the sort of place where you want to arrive with one card, no backup, and a vague belief that the islands will sort themselves out.
Who This Is For
Anyone travelling to Labuan Bajo who wants the practical version of how money works here, where to get cash, where cards are accepted, and how much cash to carry before heading out on the water.
The Indonesian Rupiah
Indonesia uses the Rupiah, written as IDR. The numbers can look faintly ridiculous at first if you are not used to them, but you adjust quickly. The useful thing is not memorising a perfect conversion rate. It is understanding what kind of spend belongs in what category.
A coffee is cheap. A local meal is cheaper. A Komodo boat day is where things jump. That is the main budgeting truth.
ATMs in Labuan Bajo
There are multiple ATMs in town, mainly around the main harbour area and the surrounding streets. In practical terms, BNI, BRI, and Mandiri are the names worth looking for. They are the machines travellers tend to have the best luck with. Rates and limits are determined partly by the local machine and partly by your own bank, so do not assume one large withdrawal is guaranteed.
It is safer to think in multiple medium withdrawals rather than one heroic attempt to solve your finances in a single hit.
Money Changers
You can exchange cash in Labuan Bajo, and there are established exchange points around the main road. Rates are usually acceptable rather than brilliant. If you are passing through Bali or Jakarta first, that is generally the better place to change a larger amount. Labuan Bajo is more useful for topping up than for chasing the perfect rate.
Paying by Card
Cards are widely accepted at many hotels, more tourist-facing restaurants, and better-established tour operators. Smaller warungs, market stalls, some drivers, and many incidental costs are still cash-first. Some businesses may add a surcharge for card payment, so do not assume the menu total is the final number if you tap instead of paying cash.
What to Carry on Boat Days
Before any Komodo boat day, carry enough cash for anything that may sit outside your package price. That can include park fees or harbour fees if not prepaid, guide or crew tips, drinks, snacks, or the general inconvenience tax of not wanting to be the person who brought no cash.
Keep it in something waterproof. The bag does not need to be glamorous. It does need to close.
Tipping
Tipping is not compulsory, but it is appreciated and common in tourism settings. A small tip for a good guide, driver, or boat crew is a normal and useful gesture. It matters more when it goes to people actually doing the work on the ground rather than disappearing into a generic service system.