Most dock are either built in water, or floating structures. Dock sizes matters normally categorized as small (less than 100 sq. ft), medium (100- 200 sq. ft), large (greater than 200 sq. ft), or would be fit to space.
Dock can be permanent, portable, standing, floating, suspended, or from experts’ recommendations. Dock are installed besides lake, river, ocean, strong current, deep water, soft and rocky bottom, sandy bottom, or where there is a body of water.