Taea claimed the silver medal after finishing the race in 12.08 seconds.
The gold medal went to Papua New Guinea’s Toea Wisil, who clocked 12 seconds, while Fiji’s Makereta Naulu managed bronze medal in a time of 12.19s.
Taea finished first in the third 100m heats after clocking 12.03s, the second best time heading into the final.
In the final, the Australia-based athlete gave Wisil, the regional sprint queen, a mighty battle but was unable to beat her to the finish line.
Athletics had a good start this week after middle distance runner Alex Beddoes won the country’s first gold medal at the games.
Beddoes claimed the gold in 800m event on Sunday after he finished the race in 1 minute 54.77s.
Tereapii Tapoki added a bronze medal after finishing third in the women shotput. She managed to throw a distance of 12.75 metres behind Tonga and New Caledonia.
The beach volleyball side had a losing start to the mini games campaign after being beaten in its opening two matches to Solomon Islands and PNG in straight sets.
The Cook Islands’ best hope for more medals lies with the national women 3 on 3 basketball team which remains on top in preliminary rounds of play.
As of midday yesterday, Cook Islands had won one gold, four silver and four bronze medals.
New Caledonia leads with 35 gold medals, followed by PNG with 22 and Fiji with 16.