I just finished the 1st campaign and it was great! Are all the islands this small or ate there bigger islands?

There wasn't a lot of room to expand because most of the island was too hilly. Ate their totally flat islands where you can develope most of it?

Thanks.

they get a lot bigger, in fact the first two that you play seem relatively small compared to the rest, after the mining one, they have all seemed quite large. large enough to accommodate an airport, but yeah the first one is most definitley the smallest one.

You can randomly generate a large flat island in sandbox.