Like Coastal Fortress, Offshore Platform and Port Facility, this improvement cannot be built unless the city is adjacent to at least one ocean tile. A city that is not adjacent to an ocean tile, but includes ocean tiles in its radius, cannot build any of the littoral improvements.
Just because a city is built in a coastal region doesn't guarantee that the city is readily accessible by ship. In order for a port city to establish a steady trade, fishing, or other shipping industry, the city must have a harbor. A harbor is a protected body of water that opens into an ocean or lake that shelters ships from waves and high winds. Although some coastal cities are established in areas where a natural harbor exists, most seaports are forced either to improve the existing natural harbor, or to build a man-made harbor to shelter ships and provide channels deep enough to accommodate large vessels.
|Civilization II Buildings|
Airport • Aqueduct • Bank • Barracks • Capitalization • Cathedral • City Walls • Coastal Fortress • Colosseum • Courthouse • Factory • Granary • Harbor • Hydro Plant • Library • Mfg. Plant • Marketplace • Mass Transit • Nuclear Plant • Offshore Platform • Palace • Police Station • Port Facility • Power Plant • Recycling Center • Research Lab • SAM Missile Battery • SDI Defense • SS Component • SS Module • SS Structural • Sewer System • Solar Plant • Stock Exchange • Superhighways • Supermarket • Temple • University