New Caledonia

The legal drinking/purchasing age of Alcoholic beverages is 18.

Try mattu. You can recognize a Kava bar also called a Nakamal by a red light outside and dim lighting inside. It is about 100CFP compared to 500CFP for a beer, so about a fifth of the price. You drink the Kava immediately once you've purchased it and then go off to a dark bench to relax.