Before deciding that your 26+ foot boat should go into a 26+ foot length boat slip, there are a few factors you may want to consider. 1. Boat Maneuvering space 2. Amount of space within inside of the boat slip. Maneuvering space and Amount of Space: As a general rule, the longer the length of the boat slip, the more open water maneuvering space you will have available to line up and drive the boat into the slip space. As… Choosing A Boat Slip / Dock