111 products
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Blocksurf California Softboard Tri-Fin SetBlocksurf California Softboard Tri-Fin Set- Regular price
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$ 34.95 USD - Regular price
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$ 34.95 USD - Sale price
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$ 34.95 USD
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Futures Fins Solus HC Tri-Fin Set - Carbon/Black/WhiteFutures Fins Solus HC Tri-Fin Set - Carbon/Black/White- Regular price
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$ 129.95 USD - Regular price
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$ 129.95 USD - Sale price
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$ 129.95 USD
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Block Surf Longboard & SUP Center Fin Stainless Steel Screw and PlateBlock Surf Longboard & SUP Center Fin Stainless Steel Screw and Plate- Regular price
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$ 2.95 USD - Regular price
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$ 2.95 USD - Sale price
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$ 2.95 USD
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True Ames John Perry Performer Fins - 5.45" SmokeTrue Ames John Perry Performer Fins - 5.45" Smoke- Regular price
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$ 78.95 USD - Regular price
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$ 78.95 USD - Sale price
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$ 78.95 USD
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True Ames John Perry Performer Fins - 6.25" BlackTrue Ames John Perry Performer Fins - 6.25" Black- Regular price
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$ 84.95 USD - Regular price
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$ 84.95 USD - Sale price
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$ 84.95 USD
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Shapers Fins Soft Surfboard Two Prong Medium Thruster FinsShapers Fins Soft Surfboard Two Prong Medium Thruster Fins- Regular price
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$ 44.95 USD - Regular price
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$ 44.95 USD - Sale price
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$ 44.95 USD
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Futures Fins - Admiral 8.5" Fiberglass Longboard Fin - VolanFutures Fins - Admiral 8.5" Fiberglass Longboard Fin - Volan- Regular price
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$ 80.00 USD - Regular price
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$ 80.00 USD - Sale price
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$ 80.00 USD
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True Ames 8" Greenough 4A - GreenTrue Ames 8" Greenough 4A - Green- Regular price
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$ 93.95 USD - Regular price
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$ 93.95 USD - Sale price
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$ 93.95 USD
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Block Surf Longboard & SUP Center Fin Screw and PlateBlock Surf Longboard & SUP Center Fin Screw and Plate- Regular price
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$ 2.95 USD - Regular price
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$ 2.95 USD - Sale price
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$ 2.95 USD
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E-Z Bolt Surfboard Fin Screw and TabE-Z Bolt Surfboard Fin Screw and Tab- Regular price
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$ 6.95 USD - Regular price
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$ 6.95 USD - Sale price
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$ 6.95 USD
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Blocksurf Surfboard Fin Key - Assorted ColorBlocksurf Surfboard Fin Key - Assorted Color- Regular price
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$ 1.99 USD - Regular price
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$ 1.99 USD - Sale price
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$ 1.99 USD
How to Choose Surfboard Fins
Start by confirming your board’s fin-box system and compatible configuration. FCS and Futures fins are not interchangeable, while many longboards use a traditional center fin box with optional side bites.
Fin Configuration and Board Type
- Thruster: Balanced control, drive and maneuverability.
- Quad: Fast and responsive, with added hold through turns.
- Twin fin: Loose, fast and well suited to many fish and retro shapes.
- Single fin: Smooth, flowing performance for longboards and traditional shapes.
- 2+1: A versatile longboard setup using a center fin with smaller side fins.
Fin Size and Construction
Fin size should reflect your weight, board design, wave conditions and preferred feel. Larger fins generally provide more hold and stability, while smaller fins can feel looser and easier to turn. Fin template, flex and construction also affect speed, control and responsiveness.
Still unsure which fins fit your board? Call Seaside Surf Shop at 503-717-1110 or use our Contact Us page.

