Miller Pata and Sherysyn Toko won all three sets against the Scottish duo Melissa Coutts and Lyne Beattie.
Vanuatu scored 21-10 to Scotland in the first set.
Scotland extended their points but was not enough to beat the duo from Vanuatu, who were scoreless in the second set 21-14.
Vanuatu then sealed their victory after extending their lead in the last set 42—24.