Boating Knots	Covers several knots commonly used in boating.
Boating Magazine	Pictures and instructions on how to tie a few knots.
Marinews Boating	Covers common boating knots including the Cleat wind, Clove hitch, and Wagoner's hitch. Animations and common uses.
Shooting Star's Marlinspike Page	Covers common boating knots including the Anchor bend, the Carrick bend, the Buntline hitch, and several variations of the Bowline. Animated illustrations and step-by-step instructions. Table showing the relative strength of the knots.
Uspowerboating.com: Boating Knots	Pictures and videos of a great variety.