Falkland Islands (Islas Malvinas) is about 28 times bigger than Barbados.

Barbados is approximately 430 sq km, while Falkland Islands (Islas Malvinas) is approximately 12,173 sq km, making Falkland Islands (Islas Malvinas) 2,731% larger than Barbados. Meanwhile, the population of Barbados is ~302,674 people (299,476 fewer people live in Falkland Islands (Islas Malvinas)).
Tip: This to-scale comparison of Barbados vs. Falkland Islands (Islas Malvinas) uses the Mercator projection, which distorts the size of regions near the poles.