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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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  • 420 Mainsheet

    Pre-Cut Line: 420 Mainsheet (30 Ft)

    West Coast Sailing
    $43.50
    Mainsheet line for 420 sailboats pre cut from a high performance Alpha Kmix line to a recommended length of 30 feet. Perfect for training and racing! Line: 9mm Alpha Kmix Length: 30 feet
    Qty in Cart: 0
    Price:
    $43.50
    Subtotal:
  • Opti Vang Spectra Line

    Pre-Cut Line: Opti Vang Spectra Line (1 Ft)

    West Coast Sailing
    $0.57
    This Optimist vang line loops over the boom and is secured to the small eye on the top side of the boom. This can replace wire vang assemblies. Pre cut to a recommended length of 1.5 feet for easy upgrade or replacement. Line: 2.7 Spectra Length: 1.5...
    Qty in Cart: 0
    Price:
    $0.57
    Subtotal:
  • FJ Painter (Bow Line)

    Pre-Cut Line: FJ Painter (Bow Line) (10 Ft)

    West Coast Sailing
    $8.00
    Bow line for the FJ sailboat, pre cut from 8mm floating line to our recommended length of 10 feet. Perfect for securing your boat to a dolly or quick tie up to a dock. Line: 8 mm PolyPro Length: 10 feet
    Qty in Cart: 0
    Price:
    $8.00
    Subtotal:
  • Opti Vang Control Line

    Pre-Cut Line: Opti Vang Control Line (3 Ft)

    West Coast Sailing
    $4.26
    Optimist vang control line, fits in the vang cleat. Pre cut to our recommended length for a great fit! Line: 6mm Robline Dinghy Control Length: 3 feet
    Qty in Cart: 0
    Price:
    $4.26
    Subtotal:
  • Opti Mainsheet 7mm Rooster

    Pre-Cut Line: Opti Mainsheet 7mm Rooster (24 Ft)

    West Coast Sailing
    $14.64
    Optimist mainsheet pre cut from 7mm Rooster Polilite, a great all around mainsheet, to our recommended length for easy upgrade or replacement. Line: 7mm Rooster Length: 24 feet
    Qty in Cart: 0
    Price:
    $14.64
    Subtotal:
  • FJ Topping Lift Line

    Pre-Cut Line: FJ Topping Lift (25 Ft)

    West Coast Sailing
    $10.00
    Topping lift for the FJ sailboat, pre cut to our recommended length from a durable 5mm line. Line: 5mm Robline Sirius 500 Length: 25 feet (Quantity 1 = 25 foot length) Typically cut from Silver/Blue color spool, but color may vary Looking for another...
    Qty in Cart: 0
    Price:
    $10.00
    Subtotal:
  • Pre-Cut Line: Sunfish Bow Line (10 Ft)

    Pre-Cut Line: Sunfish Bow Line (10 Ft)

    West Coast Sailing
    $8.00
    Keep your Sunfish sailboat secure to the dock or your dolly with this handy bow line. Pre cut from an 8mm floating line material to our recommended length of 10 feet. A must for any Sunfish sailors! Line: 8mm PolyPro Length: 10 feet Line color may...
    Qty in Cart: 0
    Price:
    $8.00
    Subtotal:
  • 420 Jib Sheet

    Pre-Cut Line: 420 Jib Sheet (25 Ft)

    West Coast Sailing
    $36.25
    Jib sheet for the 420 sailboat, pre cut from a druable and low stretch 9mm Alpha Kmix line for easy upgrade or replacement. A great choice for training and racing applications. Line: 9mm Alpha Kmix Length: 25 feet 
    Qty in Cart: 0
    Price:
    $36.25
    Subtotal:
  • 3mm Vectran Mini Spool

    3mm Vectran Mini Spool (Optiparts)

    Optiparts
    $45.90
    Vectran line is super low stretch. Perfect for Optis and all sorts of small low-stretch applications. Vectran 3mm 16 m / 52 feet
    Qty in Cart: 0
    Price:
    $45.90
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  • 420 Main Halyard

    Pre-Cut Line: 420 Main Halyard (40 Ft)

    West Coast Sailing
    $30.00
    Main Halyard line for 420 sailboats, pre cut to a recommended length from a durable and low stretch 6mm line for great performance. Upgrade your main halyard today! Line: 6mm Marlow Pre-Stretch Length: 40 feet
    Qty in Cart: 0
    Price:
    $30.00
    Subtotal:
  • Opti Mast Tie Down Line

    Pre-Cut Line: Opti Mast Tie Down Line (3 Ft)

    West Coast Sailing
    $0.69
    An Optimist mast tie down line is important for keeping the rig in place in the event of a capsize (and for avoiding expensive repairs). Pre cut to our recommended length from a super low stretch and small diameter line for great performance. Keep a...
    Qty in Cart: 0
    Price:
    $0.69
    Subtotal:
  • Selma Rope Splicing Kit Selma Rope Splicing Kit

    Selma Rope Splicing Kit

    Ronstan
    $76.45
    Rope Splicing Kit from Selma. Includes five fids that are all you need to splice different sizes and types of rope. Includes 5 Fids Highly polished stainless steel Works with Hollow braided lines from 1/8" to 9/16" Also works with double braid yacht...
    Qty in Cart: 0
    Price:
    $76.45
    Subtotal:
  • FJ Hiking Strap Lifter

    Pre-Cut Line: FJ Hiking Strap Lifter (2 Ft)

    West Coast Sailing
    $1.15
    Shockcord section for middle of FJ which helps keep the strap off the deck. Order two for a full boat. Line: 6mm Shockcord Length: 2.5 feet
    Qty in Cart: 0
    Price:
    $1.15
    Subtotal:
  • Sunfish Upper Outhaul Line

    Pre-Cut Line: Sunfish Upper Outhaul Line (2 Ft)

    West Coast Sailing
    $0.80
    Upper outhaul line for your Sunfish upper boom. Ties end of sail to cap on end of boom. Line: 4mm Robline Sirius Length: 2.5 feet
    Qty in Cart: 0
    Price:
    $0.80
    Subtotal:
  • 29er Jibsheet Secondary

    Pre-Cut Line: 29er Jibsheet Secondary (4 Ft)

    West Coast Sailing
    $3.00
    Spectra portion of 29er jib sheet set up, pre cut to 4 feet from super strong 3.5mm spectra line for easy upgrade or replacement.
    Qty in Cart: 0
    Price:
    $3.00
    Subtotal:
  • FJ Hiking Strap Forward Tie

    Pre-Cut Line: FJ Hiking Strap Forward Tie (3 Ft)

    West Coast Sailing
    $1.14
    Forward tie in for FJ hiking strap, located near the mast. Order two for a full boat. Line: 5mm Robline Sirius 500 line Length: 3 feet (Quantity 1 = 3 foot length) Typically cut from black/silver spool, but exact color may vary Looking for another...
    Qty in Cart: 0
    Price:
    $1.14
    Subtotal:
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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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