On the larger of the two islands is a large central rainforest surrounded by mountains. The far eastern coast is grass lands.
The eastern coast of the smaller island is grassland leading into mountains, across the mountains is more rainforest.
The climate range is from temperate to tropical and dry on the far eastern coast of the larger Island. The prevailing weather patterns are west to east bringing monsoon like rains in the winter. The East coast of both islands is drier, with the eastern coast of the larger continent island edged with savanna and desert.