Check out Cook Islands duty free
Duty Free prices for cigarettes and alcohol are generally cheaper in Rarotonga compared to New Zealand or Australia. The same applies to international perfumes, which you can buy duty free in town and collect from the airport on your way out.
The duty free shops in the departure lounge of the airport sell a variety of gifts and souvenirs as well as cigarettes and liquor.
Airport shops open for all flights
The duty free shops at the airport open for all flights - arrivals and departures and no matter what time of night. The shops close as soon as your flight is called.
If you are planning to do your duty free shopping when you arrive in Rarotonga the shops are on your right when you enter the airport building. Make sure you do your shopping before going through passport control.
The duty free allowance into Rarotonga is 2 litres of spirits or wine. You can also take 200 cigarettes or 500 grms of tobacco. (Please check these with retailers in case of a recent change.)