By the end of 1997, Sunstate added another Dash 8 and more Short 360s, so that it was operating four of the former and eight of the latter, along with the five Twin Otters, to a network of 21 destinations in Queensland and New South Wales (including to Newcastle, New South Wales from May). The following year the Twin Otters and three Short 360s were withdrawn after Qantas sold the portfolio of islands in the Great Barrier Reef it had inherited from Australian Airlines (Brampton Island, Dunk Island, Great Keppel Island and Lizard Island); and a DHC-8-200 was added.