After reaching level 16, players will start finding floating barrels in the waters near their port. Those barrels can be clicked for small rewards, which include all regular materials and even sailors (crew).
- Things that can be found in the barrels include: Coins, Fish, Wood, Stone, Iron, Sailors (No gems)
- Barrels will be available for about 60 seconds after they appear.
- New barrels will show up about every 20 seconds.
- It is currently not clear whether amounts of materials in the barrels depend on the level
- It's possible to go over your sailors limit by collecting them from a barrel