Atlantic Sea Power features players that are separated by water and each player is given a landmass of his own. Due to this, defense players will often line their coasts with docks and redoubts that are prepared for an invasion. Moreover, careful players avoid constructing their cities, buildings, valuable wonders nearby water as these structures can be bombarded with naval units. Depending on the amount of players, land can be quite limited thus players will attempt to expand their economy through the seas (by harvesting whales and fish).