This page lists all Harbor ornamental buildings in the game, as well as their brief description, unlocking conditions, construction and maintenance costs. For other ornamental buildings see:
There is an achievement for constructing every Harbor Ornamental Buildings at least once:
"Harbour Master"
Note: All these buildings must be built in a harbor construction area.
Note: Some buildings require a DLC package
Also available within the Complete Edition.
Quay wall[]
Unlock: Tycoon or Eco Employees
Construction costs:
20
Maintenance costs: N/A
Size: 2x2
Hitpoints: N/A
Description: A simple quay wall that defines the harbour.
Harbor Design[]
Container Yards[]
Unlock: Tycoon or Eco Employees (DLC required!)
Construction costs:300 (building) + 45 (quay wall) 
3
Maintenance costs: N/A
Size: 3x3
Hitpoints: 300
Description: Five stacks of containers for defining the harbor.
Harbour Gate[]
Unlock: Tycoon or Eco Employees (DLC required!)
Construction costs:300 (building) + 45 (quay wall) 
1 3
Maintenance costs: 
-1
Size: 3x3
Hitpoints: 300
Description: A yellow harbor gate with spotlights under it.
Cargo Conveyor Belt[]
Unlock: Tycoon or Eco Employees (DLC required!)
Construction costs:300 (building) + 50 (quay wall) 2 3
Maintenance costs: 
-30 -1
Size: 3x4
Hitpoints: 300
Description: The Cargo Conveyor Belt carries cargo inside the quay wall to the stocks where it has to be.
Lighthouse[]
Unlock: Tycoon or Eco Executives or Researchers (DLC required!)
Construction costs:7500 (building) + 45 (quay wall) 10 20
Maintenance costs: -100 -25
Size: 3x3
Hitpoints: 300
Description: This lighthouse has a very special ability: it allows the player to change the time of day! In this way, it allows the player to make the game world more beautiful, by changing the time of day to Night, Dawn, Dusk, and Noon.
Achievement: 
"Light, dark and light again" (for using all of the lighthouse's functions for changing the times of day)