Argentina im 100 % sure look at this map and you can decide for yourself http://www.math.udel.edu/~monk/Personal/Falklands_2000/falkland_islands_map.gif
Samoa and Tonga to the west of the Cook Islands, and Tahiti to the east. Aotearoa New Zealand lie south of the Cook Islands.
There are some colombian islands it could be them or the cayman islands
Rarotonga
American Samoa