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Blocks

Sailing Blocks

Sailing blocks provide smooth, reliable line control for sails, rigging, and deck operations. Engineered for strength and low friction, blocks make sail handling efficient, safe, and precise in all conditions.

High-Performance Sailing Blocks

  • Durable, corrosion-resistant construction for long-lasting use
  • Low-friction sheaves for smooth line handling and reduced wear
  • Ideal for mainsails, jibs, spinnakers, and custom rigging setups
  • Marine-grade materials designed for performance in saltwater and freshwater

Trusted Brands

Top sailing block brands include Barton Marine, Harken, Lewmar, Ronstan, Schaefer Marine, SeaSure, and Wichard Marine.

Related Sailing Categories

Accessories, Rigging, Rope, Winches

Why Buy Sailing Blocks from MarineWaze

  • Premium-grade blocks for smooth, efficient line handling
  • Trusted brands for durability, strength, and marine performance
  • Expert guidance for selecting the right blocks for your rigging
  • Product
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  • SeaSure Hasp  Stable 52mm [23.00CRD]

    SeaSure Hasp Stable 52mm [23.00CRD]

    SeaSure

    MSRP: $34.95
    $19.99
    Hasp & Staple 52mmThis hinge was fabricated from marine-grade 316 stainless steel and electro-polished for a long-lasting high finish.Features:The pins of the hinges and staple are welded in place for added securitySpecifications:Closed Length: 52mm
    MSRP: $34.95
    $19.99
    Qty in Cart: 0
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    MSRP: $34.95
    $19.99
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  • SeaSure Tiller Lock Gun - Grey [19.27]

    SeaSure Tiller Lock Gun - Grey [19.27]

    SeaSure

    MSRP: $316.75
    $139.99
    Tiller Lock Gun - GreyThis tiller lock maintains the rugged reliability of the original and brings the design fully up to date.Design suitable for any tiller-steered yacht or sports boatA simple mechanism allows the tiller to be set and adjusted, which...
    MSRP: $316.75
    $139.99
    Qty in Cart: 0
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    MSRP: $316.75
    $139.99
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  • SeaSure Pad Eye Plate 46mm x 46mm [16.17CRD] SeaSure Pad Eye Plate 46mm x 46mm [16.17CRD]

    SeaSure Pad Eye Plate 46mm x 46mm [16.17CRD]

    SeaSure

    MSRP: $35.89
    $19.99
    Pad Eye Plate 46mm x 46mmThis eye plate is manufactured from 316 stainless steel and underwent multiple machining and finishing operations to ensure it had a smooth finish and was free of damaging sharp corners and burs.Features:Electro-polished to give...
    MSRP: $35.89
    $19.99
    Qty in Cart: 0
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    MSRP: $35.89
    $19.99
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  • SeaSure Flat Eye Plate 41mm x 51mm [16.05CRD] SeaSure Flat Eye Plate 41mm x 51mm [16.05CRD]

    SeaSure Flat Eye Plate 41mm x 51mm [16.05CRD]

    SeaSure

    MSRP: $30.43
    $18.99
    Flat Eye Plate 41mm x 51mmThis eye plate is manufactured from 316 stainless steel and underwent multiple machining and finishing operations to ensure it has a smooth finish and is free of damaging sharp corners and burs.Features:Electro-polished to give...
    MSRP: $30.43
    $18.99
    Qty in Cart: 0
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    MSRP: $30.43
    $18.99
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  • SeaSure Seddon Link f\/25mm Diameter [08.05CRD]

    SeaSure Seddon Link f/25mm Diameter [08.05CRD]

    SeaSure

    MSRP: $78.45
    $37.99
    Seddon Link for 25mm DiameterThe "Life Line Link" is a webbing link that you are easily able to move around the boat to create a safe attachment point. Fitted and removed in seconds, it provides strong attachments for deck safety lines or sheet locks...
    MSRP: $78.45
    $37.99
    Qty in Cart: 0
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    MSRP: $78.45
    $37.99
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  • SeaSure Deck Eye Hole Center - 31mm [05.31CRD]

    SeaSure Deck Eye Hole Center - 31mm [05.31CRD]

    SeaSure

    $8.72
    Deck Eye Hole Center - 31mmThis deck eye is made from 316 stainless steel, and it went through multiple machining and finishing operations to ensure that it is free of damaging sharp corners and burrs.Specifications:Weight: 0.001kgHeight: 10mmWidth...
    $8.72
    Qty in Cart: 0
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    $8.72
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  • SeaSure Deck Eye Hole Center - 42mm [05.24CRD]

    SeaSure Deck Eye Hole Center - 42mm [05.24CRD]

    SeaSure

    MSRP: $13.13
    $10.99
    Deck Eye Hole Center - 42mmThis deck eye is made from 316 stainless steel, and it went through multiple machining and finishing operations to ensure that it is free of damaging sharp corners and burrs.Specifications:Weight: 0.001kgHeight: 14mmWidth...
    MSRP: $13.13
    $10.99
    Qty in Cart: 0
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    MSRP: $13.13
    $10.99
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  • SeaSure Deck Eye Hole Center - 28mm [05.23CRD]

    SeaSure Deck Eye Hole Center - 28mm [05.23CRD]

    SeaSure

    $7.95
    Deck Eye Hole Center - 28mmThis deck eye is made from 316 stainless steel, and it went through multiple machining and finishing operations to ensure that it is free of damaging sharp corners and burrs.Specifications:Weight: 0.001kgHeight: 9mmWidth...
    $7.95
    Qty in Cart: 0
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    $7.95
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  • SeaSure General Purpose Block [02.01CRD]

    SeaSure General Purpose Block [02.01CRD]

    SeaSure

    MSRP: $20.62
    $13.99
    General Purpose BlockThe 19mm carbon fiber sheave block range is designed for use with abrasive ropes for high-load applications. The outer cage is manufactured from marine-grade 316 Stainless Steel with a hollow stainless steel rivet through the center...
    MSRP: $20.62
    $13.99
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    MSRP: $20.62
    $13.99
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  • SeaSure 25mm Treble Block w\/V-Jam [00.35CRD]

    SeaSure 25mm Treble Block w/V-Jam [00.35CRD]

    SeaSure

    MSRP: $79.65
    $37.99
    25mm Treble Block with V-JamThe 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and...
    MSRP: $79.65
    $37.99
    Qty in Cart: 0
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    MSRP: $79.65
    $37.99
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