Tsibirin Kumboola ya kasan ce kuma yana cikin rukunin Tsibirin Iyali kuma yana da kusan 15 km Arewa maso Gabas na Tully Heads kuma kai tsaye kudu da Dunk Island . Yana daga cikin Yankin Kasa na Tsibirin Iyali . Tana da girman kadada 6 ko girman murabba'in kilomita 0.06. Tsibirin ya kunshi yankunan dazuzzukan daji da gandun daji na wucin gadi inda nau'in eucalypt ke fitowa. Jerin tsibiran Australia "Map of Kumboola Island, QLD". "Family Islands National Park: Nature, culture and history". Department of Environment and Resource Management. 3 April 2012. Archived from the original on 3 April 2011. Retrieved 20 August 2012.