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Line

West Coast Sailing offers a full selection of marine grade sailing line and rigging including One Design rigging, pre cut line, line kits, and line by the foot for halyards, sheets, control lines, and more. Shop running rigging and standing rigging today from trusted brands including Marlow, Robline, Samson, Kingfisher, New England Ropes, and more.


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  • RS Aero Outhaul Control Line

    RS Aero Outhaul Control Line

    West Coast Sailing Rig Shop
    $57.99
    Outhaul Control Line for the RS Aero using the popular 'Over Deck' style rigging. If you prefer not to splice your control line after rigging or need a quick replacement, this version is designed with two compact reeving eyes for connecting with whipping...
    Qty in Cart: 0
    Price:
    $57.99
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  • RS Aero Cunningham Control Line

    RS Aero Cunningham Control Line

    West Coast Sailing Rig Shop
    $62.99
    Cunningham Control Line for the RS Aero using the popular 'Over Deck' style rigging. If you prefer not to splice your control line after rigging or need a quick replacement, this version is designed with two compact reeving eyes for connecting with...
    Qty in Cart: 0
    Price:
    $62.99
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  • Thistle Spinnaker Halyard Tapered (5mm Dinghy Control)

    Thistle Spinnaker Halyard Tapered (5mm Dinghy Control)

    West Coast Sailing Rig Shop
    $119.99
    This is a high performance spinnaker halyard line for the Thistle sailboat. Developed in coordination with Thistle class experts, this is an upgraded version of our standard Thistle spin halyard that features 5mm Dinghy Control Line by Robline with a...
    Qty in Cart: 0
    Price:
    $119.99
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  • Thistle Spin Halyard

    Thistle Spinnaker Halyard (4mm Dinghy Control)

    West Coast Sailing Rig Shop
    $62.99
    This is our standard spinnaker halyard line for the Thistle sailboat. Developed in coordination with Thistle class experts, this halyard features 4mm Dinghy Control Line with an end whip and stopper ball at one end and an reeving eye on the other for...
    Qty in Cart: 0
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    $62.99
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  • Thistle Jib Halyard (5mm Dinghy Control)

    Thistle Jib Halyard (5mm Dinghy Control)

    West Coast Sailing Rig Shop
    $67.99
    This is a high performance jib halyard line for the Thistle sailboat. Developed in coordination with Thistle class experts, this untapered jib halyard features 5mm Dinghy Control line by Robline with whipping and stopper ball on one end and a reeving eye...
    Qty in Cart: 0
    Price:
    $67.99
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  • Thistle Main Halyard

    Thistle Main Halyard (4mm Excel)

    West Coast Sailing Rig Shop
    $72.99
    This is a high performance main halyard line for the Thistle sailboat. Developed in coordination with Thistle class experts, this halyard features 4mm Marlow Excel Racing with a whipped end and stopper ball on the working end and a reeving eye on the...
    Qty in Cart: 0
    Price:
    $72.99
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  • Thistle Continuous Spinsheet (6mm SSR) Thistle Continuous Spinsheet (6mm SSR)

    Thistle Continuous Spinsheet (6mm SSR)

    West Coast Sailing Rig Shop
    $78.99
    This is a high performance spinnaker sheet line for the Thistle sailboat. Developed in coordination with Thistle class experts, this is a continuous sheet, with the center running through the boat and the ends attached to the sail. Our 6mm SSR version is...
    Qty in Cart: 0
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    $78.99
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  • Thistle Jibsheet (8mm SSR) Thistle Jibsheet (8mm SSR)

    Thistle Jibsheet (8mm SSR)

    West Coast Sailing Rig Shop
    $52.99
    This is a high performance jib sheet line for the Thistle sailboat made from 8mm Alpha Ropes SSR, a single braid blend of Spectra and Cordura. This makes the line both durable and soft in the hand, Very similar to Maffiloli switfcord. The single sheet...
    Qty in Cart: 0
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    $52.99
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  • Thistle Mainsheet Tapered (8mm Marlow D2) Thistle Mainsheet Tapered (8mm Marlow D2)

    Thistle Mainsheet Tapered (8mm Marlow D2)

    West Coast Sailing Rig Shop
    $144.99
    This is a high performance mainsheet line for the Thistle sailboat which features a taper and bury on one end to reduce bulk in your sheeting system. This is an upgraded mainsheet compared to our standard Thistle mainsheet options. Developed in...
    Qty in Cart: 0
    Price:
    $144.99
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  • Thistle Mainsheet (8mm SSR)

    Thistle Mainsheet (8mm SSR)

    West Coast Sailing Rig Shop
    $76.99
    This is a high performance mainsheet line for the Thistle sailboat made from Alpha SSR, a single braid Dyneema SK-75 and Cordura blend line. Developed in coordination with Thistle class experts, this mainsheet is 8mm diameter and cut to a class...
    Qty in Cart: 0
    Price:
    $76.99
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  • Pre-Cut Line: Laser Mainsheet 7mm Excel Fusion (44 Ft)

    Pre-Cut Line: Laser Mainsheet 7mm Excel Fusion (44 Ft)

    West Coast Sailing
    $80.00
    Laser mainsheet pre cut from 7mm Marlow Excel Fusion. Marlow Excel Fusion is a high performance line featuring a blended Dyneema and Polypropylene cover, ensuring no water absorption, great abrasion resistance through ratchets and cleats, and a soft...
    Qty in Cart: 0
    Price:
    $80.00
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  • Laser / ILCA Outhaul (Complete)

    Laser / ILCA Outhaul (Complete)

    West Coast Sailing Rig Shop
    $134.99
    Upgrade your Laser / ILCA outhaul setup with our custom pro outhaul. Designed around an 'aft end' purchase system (using the boom cleat), this system creates a class legal 6:1 purchase with a block attached at the cleat. A clean, easy to install method,...
    Qty in Cart: 0
    Price:
    $134.99
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  • Laser / ILCA Cunningham Line w/ Handle

    Laser / ILCA Cunningham Line w/ Handle

    West Coast Sailing Rig Shop
    $26.99
    Quit wasting time making your own handle each time you rig your Laser or ILCA with this easy to use control handle. Our Laser / ILCA Cunningham Line w/ Handle includes a loop is triple brummeled for durability and an easy to grip rubber handle tops it...
    Qty in Cart: 0
    Price:
    $26.99
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  • C420 Spinsheet 5mm Ultra-Lite

    C420 Spinsheet 5mm Ultra-Lite

    West Coast Sailing Rig Shop
    $53.99
    Our Club 420 Spinnaker Sheets are made with both ends whipped for durability. We recommend using 3/16 (5mm) Samson Ultra Lite line which is low stretch, has excellent strength, and even floats. Great for the active Club 420 racing team! Diameter: 5mm...
    Qty in Cart: 0
    Price:
    $53.99
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  • C420 Spinsheet 6mm Ultra-Lite

    C420 Spinsheet 6mm Ultra-Lite

    West Coast Sailing Rig Shop
    $51.99
    Our Club 420 Spinnaker Sheets are made with both ends whipped for durability. We recommend using Samson Ultra Lite line which is low stretch, has excellent strength, and even floats. This is the 6mm / 1/4 option for those who prefer a slightly heavier...
    Qty in Cart: 0
    Price:
    $51.99
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  • C420 Mainsheet 8mm Bzz

    C420 Mainsheet 8mm Bzz

    West Coast Sailing Rig Shop
    $41.99
    Our Club 420 Mainsheets are made with both ends whipped for durability. Buzz line is a blended core that has low water absorption, runs well through blocks and is soft on the hands, and a great choice for a C420 main sheet for the active racer. ...
    Qty in Cart: 0
    Price:
    $41.99
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Sailboat Line & Rigging - Halyards, Sheets, Control Lines & More

Line is a critical part of any sailboat, from small dinghy to super yacht and everything in between. West Coast Sailing offers a wide variety of line and marine rope for every sailor from leading line manufacturers. Whether you're looking for a new control line for your Laser vang, jib sheet for your J24, replacement halyard for your cruising boat, or a high strength low stretch line for a high performance application, we've got what you need to get you back on the water. Shop by common application, diameter, material, and more with options available from Robline, Marlow, Alpha Ropes, and New England Ropes. All line sold by the foot with line kits for select boats and small diameter mini spools available.


Shop By Boat

West Coast Sailing offers custom rigging, line kits, and pre cut line for many popular one design dinghies and keelboats. These products make it simple to get the right line for your sailboat and you can be confident they will work great.

Shop By Line Type

Line has come a long way in the past few decades, and current options offer great value and performance. We offer a variety of high tech Lines, which generally feature a non-stretch core for strength, durable cruising lines, which are typically polyester and less expensive but still strong and durable, or Dyneema, Spectra, & Vectran for non-stretch control line, halyard, and sheet applications. Shockcord bungee and floating Polypropylene also available. Scroll down this page for recommendations for line material based on your boat size and application.

 

Shop By Diameter

West Coast Sailing carries over 80 different lines from 6 of the best rope manufacturers in diameters ranging from 1mm all the way up to 12mm. Use our handy category filters to narrow in on the specific diameter of lines that work for your application, and then pick the one that meets your exact criteria for performance, color, or price.

 

Additional Line Options & Services

In addition to per foot line, pre cut line, line kits, and custom rigging, West Coast Sailing also offers mini spools, splicing equipment, and custom rigging services. If you can dream it, our team can build it! 

  • Shop Mini Spools
  • Shop Splicing Tools
  • Shop Custom Rigging

Line Fiber Type / Material Guide

Line Type   Stretch   Absorption Resistance Floatability Abrasion/Chafe UV Resistance     Creep       Hand Feel  
Polypropylene  Fair  Excellent  Excellent  Poor  Poor Poor Fair 
Polyester  Poor Poor  Poor  Excellent  Excellent Poor  Good 
Technora  Excellent Poor   Fair Excellent Poor Good  Good 
Dyneema/Spectra  Good  Good  Good Good  Good Fair  Good 
Vectran  Excellent Fair   Fair  Poor Poor Excellent  Fair 
Cordura  Good  Good Good  Excellent  Good Fair Excellent 
Click Here to Shop Line by Type

Line Application Guide - Dinghy

Dinghy

Polyester &
Polypropylene

Polyester
Double Braid

Dyneema Blended
Single Braid
Dyneema Blended
Double Braid
Blended Core
Double Braid
Dyneema Core
Double Braid
Vectran Core
Double Braid
 
Main Halyard         Good Better Best
Jib/Genoa Halyard         Good Better Best
Spinnaker Halyard         Good Better  
Mainsheet Good   Best Best      
Jib/Genoa Sheet Good   Best Best      
Spinnaker Sheet Good   Best Best      
Control Lines     Better     Better  
Click Here to Shop Line by Type

Line Application Guide - Racing

Racing

Polyester &
Polypropylene

Polyester
Double Braid

Dyneema Blended
Single Braid
Dyneema Blended
Double Braid
Blended Core
Double Braid
Dyneema Core
Double Braid
Vectran Core
Double Braid
 
Main Halyard         Good Better Best
Jib/Genoa Halyard         Good Better Best
Spinnaker Halyard         Good Best  
Mainsheet Good   Best Better Good Best  
Jib/Genoa Sheet         Good Best  
Spinnaker Sheet     Better Best Good Best  
Control Lines    Good Better Better Good Best  

Line Application Guide - Performance Cruising

Performance
Cruising

Polyester &
Polypropylene

Polyester
Double Braid

Dyneema Blended
Single Braid
Dyneema Blended
Double Braid
Blended Core
Double Braid
Dyneema Core
Double Braid
Vectran Core
Double Braid
 
Main Halyard    Good     Better Better Best
Jib/Genoa Halyard   Good     Better Better Best
Spinnaker Halyard   Good     Better Best  
Mainsheet Good Good Better   Better Best  
Jib/Genoa Sheet Good Good     Better Best  
Spinnaker Sheet Good Good     Better Best  
Control Lines Good Good Better   Better  Better  
Click Here to Shop Line by Type

Line Diameter Guide

Recommended Diameter by Application & Boat Length

Application

Boat Length
10 - 18 Feet

Boat Length
18 - 24 Feet
Boat Length
24 - 32 Feet
Boat Length
32 - 38 Feet
Boat Length
38 - 45 Feet
Boat Length
45 - 52 Feet
Main Halyard 6mm / 1/4 in  6mm / 1/4 in 8mm / 5/16 in  8mm / 5/16 in  9mm / 3/8 in 11mm / 7/16 in
Jib/Genoa Halyard 6mm / 1/4 in  6mm / 1/4 in 8mm / 5/16 in  8mm / 5/16 in  9mm / 3/8 in 11mm / 7/16 in
Spinnaker Halyard 6mm / 1/4 in  6mm / 1/4 in  8mm / 5/16 in 9mm / 3/8 in  9mm / 3/8 in 11mm / 7/16 in
Topping Lift 6mm / 1/4 in 6mm / 1/4 in 8mm / 5/16 in 9mm / 3/8 in 9mm / 3/8 in 11mm / 7/16 in
Mainsheet 8mm / 5/16 in 9mm / 3/8 in 9mm / 3/8 in 
9mm / 3/8 in  11mm / 7/16 in 12mm / 1/2 in
Jib/Genoa Sheet 6mm / 1/4 in 8mm / 5/16 in 9mm / 3/8 in  9mm / 3/8 in 11mm / 7/16 in 12mm / 1/2 in
Spinnaker Sheet 6mm / 1/4 in 8mm / 5/16 in 8mm / 5/16 in 8mm / 5/16 in 9mm / 3/8 in 9mm / 3/8 in
Tack Line 5mm / 3/16 in 6mm / 1/4 in 9mm / 3/8 in 9mm / 3/8 in  9mm / 3/8 in 11mm / 7/16 in
Click Here to Shop Line by Diameter

MM to Inch
Conversion Chart

 1mm = 3/64 inch  2mm = 5/64 inch  3mm = 1/8 inch 4mm = 5/32 inch  5mm = 3/16 inch  6mm = 1/4 inch
7mm = 9/32 inch   8mm = 5/16 inch  9mm = 3/8 inch  10mm = 25/64 inch  11mm = 7/16 inch 12mm = 1/2 inch 

 

If you are replacing an existing line, the easiest way to determine what diameter you need is to match what you already have. This can be done with a caliper or by close estimation with a tape measure. For example, if you've previously used a 7mm halyard and it has performed well, another 7mm line is likely a great choice. In most applications, there is some flexibility in the exact diameter that can be used. Most blocks, for example, have an 'ideal' diameter (ie, the line diameter that runs most effectively though the block's sheave) but also have a range so that you can run a slightly thinner or slightly thicker line. If you have a halyard that is getting hung up in your rig, stepping down 1-2mm might help the halyard run more efficiently. If you have a larger boat or rig and want to run a thinner halyard, consider a double braid line that features a Dyneema or Spectra core for strength. A similar approach can be applied to replacing sheets, control lines, and other line on your sailboat.


line-length-measuring-guide-aps-400x400.jpg
Line Application & Suggested Measurement

Mainsheet - (E+2) x Purchase
Genoa Sheet - 1.5 x LOA
Jib Sheet - LOA
Spinnaker Sheet - 2 x LOA (recommend adding 5-10')
Asymmetrical Sheet (Outside) - 3 x LOA
Asymmetrical Sheet (Inside Only - 2.5 x LOA
Main Halyard - 2P + Distance to the Clutch
Jib Halyard - 2I + Distance to the Clutch
Spinnaker Halyard - 2I + 20'
Tack Line - J x 5

Please Note - Customer specified lengths are always preferred. These lengths are only recommendations and not specific to your boat.

Double Braid vs Single Braid

Two terms you will often see in line descriptions are 'double braid' and 'single braid', which refer to the way the line is constructed. At the most basic level, a double braid line has a cover and a core whereas a single braid does not, but there are other important distinctions to consider when making a line selection.

Single Braids are made up of either 8 or 12 strands that are braided into a circular pattern, half clockwise and half counter clockwise. This produces a line that is supple, absorbs twists, and tends not to kink. There are two types of single braid lines: performance single braids and polyester/blended single braids. Performance single braids are made from fibers with very low stretch and designed to handle extreme loads - think Dyneema, Spectra, or Vectran. Polyester/blended single braids, sometimes called hollow braid, are soft and easy to grip, built for sheets and hand-adjusted control lines. These are less common than performance single braid lines but recommended in a few specific applications.

Double Braids, sometimes called braid on braid, have a braided core within a braided outer jacket or cover. This creates a strong, durable, smooth-running line that is easy to handle. Double braids are used for the vast majority of all running rigging on sailboats including sheets, halyards and control lines for both cruising or racing. There are two types to consider: polyester double braids and high-tech double braids. Polyester double braids, found most commonly on recreational and cruising sailboats, have a polyester cover with polyester core. These are low maintenance, affordable, and long-lasting, while offering relatively low stretch and high working loads. For additional strength and minimal stretch, consider high-tech double braids. These lines typically feature a Dyneema or Spectra core (non-stretch) inside a polyester or polyester/dyneema blend cover for additional durability. They are more expensive but often the go to choice for high performance racing boats.


Sailing Programs & Clubs - West Coast Sailing offers special program pricing on purchases for sailing programs, yacht clubs, and community sailing organizations. Visit our YC & Program Purchasing page for more details.

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