Islands

Islands are major part of gameplay. There can be buildings, where are some barrels and chests, rocks with ores, trees, bushes with berries, sharks, and on some islands there even special buildings / objects:

A volcano island - there is a volcano.

A fort island - there is a fort with cannons and some buildings, where chests and barrels can be. A temple island - there is a temple with 4 chests inside it.