Boating Supplies and Accesories - Dock, Mooring and Anchor Lines

For designated dock lines, the size of your line is determined by its diameter and depends on the size and weight of your boat.

The following is an approximate guide:

Line Diameter

Boats under 20 feet = 3/8"

Boats 20 to 30 feet = 1/2"

Boats 30 to 40 feet = 5/8"

Boats 40 to 60 feet = 3/4"

Boats over 60 feet = 1"

• Rope or Line Used for Boat Supplies - How to Properly Outfit your Boat
• Line Construction
• Natural Line
• Synthetic Line
• Double Braided Nylon
• Use of Line Types Aboard Your Boat
• Size of Line to Use for Your Boat