Currency

The Cook Islands unit of currency is the New Zealand dollar, supplemented by notes and coinage minted for local use. The unique local coins and notes are not negotiable outside the Cook Islands, but are keenly sought by collectors worldwide.

Banking

Rarotonga

Westpac and ANZ banks in downtown Avarua are open Monday to Friday from 9am to 3pm. Westpac is also open Saturday from 9am–12pm. Westpac Bank has an exchange and departure tax service available at the airport for all international flights; this is located at the International Arrivals Terminal.

ATM service available at the main branches in Avarua, with ANZ ATM's located at Cooks Corner and Wigmores Superstore at Vaimanga, Westpac ATM is located at Oasis Energy in Nikao.

Eftpos is available at some hotels and stores.

Western Union has an office in Avarua offering money exchange and transfers.

Atiutaki

ANZ is located in Amuri at Mango Trading, open Monday to Friday, 8am to 4pm.

Westpac is located in Arutanga and is only open Wednesday 9.30am to 3pm. There is also an ATM located outside the Westpac Branch in Arutanga.