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Blocks

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Blocks

Shop our complete selection of Blocks at High Tide Supply — your trusted source for outfitting your boat with quality marine gear. We carry premium blocks from Harken, Ronstan, and Antal, hand-selected by our marine electronics specialists for performance and reliability.

All products are sold new with full manufacturer support. High Tide Supply offers fast US shipping, competitive pricing, and expert pre-sale support to help you choose the right blocks for your vessel. Questions? Call us at (727) 201-2479 or browse our full catalog below.

241 products
Barton Tufnol Snatch Block fWire Fibreoptic Cables T92100 Sale
Barton Tufnol Snatch Block f/Wire Fibreoptic Cables [T92100]
$183.26 $164.93
Barton Stanchion Ratchet Block 60160 Sale
Barton Stanchion Ratchet Block [60160]
$139.95 $125.96
Barton Marine Size 3 45mm Plain Bearing Pulley Block Double wSwivel N03230 Sale
Barton Marine Size 3 45mm Plain Bearing Pulley Block Double w/Swivel [N03230]
$53.38 $48.04
Barton Marine Size 3 45mm Plain Bearing Pulley Block Single With Fixed Eye N03110 Sale
Barton Marine Size 3 45mm Plain Bearing Pulley Block Single With Fixed Eye [N03110]
$18.25 $16.42
Barton Marine Size 0 20mm Plain Bearing Pulley Block Double Fixed Eye N00210 Sale
Barton Marine Size 0 20mm Plain Bearing Pulley Block Double Fixed Eye [N00210]
$23.70 $21.33
Barton Marine Size 0 20mm Plain Bearing Pulley Block Single Swivel Becket N00191 Sale
Barton Marine Size 0 20mm Plain Bearing Pulley Block Single Swivel Becket [N00191]
$16.90 $15.21
Barton Marine Size 0 20mm Plain Bearing Pulley Block Single Swivel wo Shackle N00190 Sale
Barton Marine Size 0 20mm Plain Bearing Pulley Block Single Swivel w/o Shackle [N00190]
$15.08 $13.58
Barton Marine Size 0 20mm Plain Bearing Pulley Block Stand Up Block N00170 Sale
Barton Marine Size 0 20mm Plain Bearing Pulley Block Stand Up Block [N00170]
$19.91 $17.92
Barton Marine Size 0 20mm Plain Bearing Pulley Block Cheek N00160 Sale
Barton Marine Size 0 20mm Plain Bearing Pulley Block Cheek [N00160]
$11.08 $9.98
Barton Marine Size 0 20mm Plain Bearing Pulley Block Single Swivel Becket N00131 Sale
Barton Marine Size 0 20mm Plain Bearing Pulley Block Single Swivel Becket [N00131]
$28.87 $25.99
Barton Marine Size 0 20mm Plain Bearing Pulley Block Single Swivel N00130 Sale
Barton Marine Size 0 20mm Plain Bearing Pulley Block Single Swivel [N00130]
$26.66 $23.99
Barton Marine Size 0 20mm Plain Bearing Pulley Block Single Fixed Eye Becket N00111 Sale
Barton Marine Size 0 20mm Plain Bearing Pulley Block Single Fixed Eye Becket [N00111]
$11.42 $10.27
Ronstan Series 50 Ball Bearing Block Single Loop Top RF50101 Sale
Ronstan Series 50 Ball Bearing Block - Single Loop Top [RF50101]
$58.09 $49.38
Harken 40mm Twing Block 2699
Harken 40mm Twing Block [2699]
$77.35
Harken 40mm Double Sheave Fishing Block 2184 Sale
Harken 40mm Double Sheave Fishing Block [2184]
$69.00 $60.95
SeaSure Telescopic Cruiser Extension 2372
SeaSure Telescopic Cruiser Extension [23.72]
$195.65
SeaSure Hatch Lock 2335
SeaSure Hatch Lock [23.35]
$294.75
SeaSure Hasp Staple 78mm 2308CRD
SeaSure Hasp Staple - 78mm [23.08CRD]
$49.11
SeaSure AntiRattle Hasp Staple 2304CRD
SeaSure Anti-Rattle Hasp Staple [23.04CRD]
$76.93
SeaSure Hasp Staple 52mm 2300CRD
SeaSure Hasp Staple 52mm [23.00CRD]
$34.95
SeaSure Pad Eye Plate 46mm x 46mm 1617CRD
SeaSure Pad Eye Plate 46mm x 46mm [16.17CRD]
$35.89
SeaSure Seddon Link f25mm Diameter 0805CRD
SeaSure Seddon Link f/25mm Diameter [08.05CRD]
$78.45
SeaSure 8mm Snap Close Shackle 5 Pack 0459CRD
SeaSure 8mm Snap Close Shackle - 5 Pack [04.59CRD]
$13.93
SeaSure 25mm Treble Block wVJam 0035CRD
SeaSure 25mm Treble Block w/V-Jam [00.35CRD]
$79.65