Giant Halmahera GeckosGiant Halmahera Geckos for Sale Gekko smithii Looking to buy a Giant Halmahera Gecko online? Giant Halmahera Geckos are among the largest and most impressive geckos available in the reptile hobby. Native to Indonesia, Gekko smithii is prized for its striking pattern, powerful build, and excellent climbing ability. Their impressive size and bold personalities have made them favorites among gecko enthusiasts seeking a truly spectacular arboreal species.