THE DOCK NOTES

Dock lines and fenders buying guide

Compare the catalog by price. Read maker sources and check product fit before you buy.

Terms and checks

A fender separates a boat from a dock or another boat. Check the maker guide for the mooring conditions.

Check the line construction, diameter, and length at the store. Use the maker fender chart for the model and mooring conditions.

Dock line source notes

The store gives 3/8-inch lines for a 20-foot boat and 5/8-inch lines for a 40-foot boat.

The store says transient bow and stern lines should be close to 2/3 of the boat length.

The store says spring lines should equal the boat length.

Read the store guide

Source read 2026-11-13. Read the source for the full context.

Polyform fender size chart

This chart covers Polyform models. Polyform calls it a general guide. Check the boat and mooring conditions at the source.

Read the maker chart · Polyform US

Source read 2026-11-13.

Prices from the catalog

Source reads: 2026-11-13 to 2026-11-13.

Under $25

$25 to under $50

$50 to under $100

$100 and up