a dock in a city
long silver dock in water
very blue, calm water in marina
A dock is floating on the water
The water is blue.
The water is calm.
The water is tranquil.
The water is serene.
The water is ripply.
The water is mild.
The water is gentle.
The water is untroubled.
row of docked boats 
A marina scene
a harbor with several boats docked in the water and a building is on the other side of the dock