There are rigorous requirements for the design and construction of the yacht dock in the water area with large water-level difference.The yacht dock without bitts is a good choice.The docks with bitts and without bitts are floating, and the difference is the different orientation principles.The front is oriented by bitts, and the later is only by the elastic anchor chain system.The loading force of the dock without bitts includes the environment loads, moving loads, berthing, mooring loads and loads by the berth system.The location should be firstly considered at the dock design, for that there are different requirements for the location by different circumstance.The material and the fittings should be considered secondly, especially the structure and the joint type of the float box.The dock without the stoke suits to use at the rivers in the mountainous area, the lake at the high mountain, reservoir and the sea.There are some oversea and inland applications.