Fitzroy Island is a continental island offshore from Cape Grafton, 29 km southeast of Cairns, Queensland, Australia. It is a locality in the Cairns Region. In the 2021 census, Fitzroy Island had a population of 85 people.
Wikipedia https://en.wikipedia.org/wiki/Fitzroy_Island_(Queensland)
Coordinates -16°55'58.276" N 145°59'38.265" E