There are two Apple Stores here.
Both are located in Cotai (路氹城).
A note before you go on, Macau is currently divided into 7 parishes. The two Apple Stores are in Cotai, which is not part of any parishes. It is on a reclaimed land between Taipa and Coloane islands.
Store number 1 is at Cotai Central. It is at Shoppes at Cotai Central.
Store number 2 is at Galaxy Macau (澳门银河). It is at the Promenade.