Proper mooring of your watercraft is an essential part of the boating experience. Correct dock mooring practices (including lines, snubbers,
and knots) will minimize the possibility of damage to your own watercraft, to neighboring watercraft, and to the marina’s dock facilities. The PDF document linked immediately below provides the basic information necessary on how to properly secure your watercraft.
Snubbers are the mooring lines' shock absorbers, and are an essential
part of proper mooring in a marina exposed to open water. The PDF document linked immediately below provides the basic information necessary to to properly secure your boat.
There is also a collection of helpful information on a large variety of boating/marine topics at West Marine's West Advisor page that is available online (link provided below).