111 products
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True Ames Valaric Quad Fins - Futures Compatible - Solid FiberglassTrue Ames Valaric Quad Fins - Futures Compatible - Solid Fiberglass- Regular price
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$ 149.95 USD - Regular price
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$ 149.95 USD - Sale price
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$ 149.95 USD
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True Ames Wayne Rich Sidebites Futures Compatible- 4.0"/FiberglassTrue Ames Wayne Rich Sidebites Futures Compatible- 4.0"/Fiberglass- Regular price
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$ 74.95 USD - Regular price
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$ 74.95 USD - Sale price
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$ 74.95 USD
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True Ames Wayne Rich Sidebites Futures Compatible- 3.4"/FiberglassTrue Ames Wayne Rich Sidebites Futures Compatible- 3.4"/Fiberglass- Regular price
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$ 74.95 USD - Regular price
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$ 74.95 USD - Sale price
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$ 74.95 USD
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True Ames 3.7" Futures Sidebites - Smoke/HexcoreTrue Ames 3.7" Futures Sidebites - Smoke/Hexcore- Regular price
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$ 69.95 USD - Regular price
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$ 69.95 USD - Sale price
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$ 69.95 USD
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True Ames 3.7" Futures Sidebites - Smoke/FiberglassTrue Ames 3.7" Futures Sidebites - Smoke/Fiberglass- Regular price
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$ 74.95 USD - Regular price
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$ 74.95 USD - Sale price
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$ 74.95 USD
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True Ames 3.7" Futures Sidebites - Smoke/HexcoreTrue Ames 3.7" Futures Sidebites - Smoke/Hexcore- Regular price
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$ 69.95 USD - Regular price
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$ 69.95 USD - Sale price
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$ 69.95 USD
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True Ames Wayne Rich Power Tilt Fin - 6.0" SmokeTrue Ames Wayne Rich Power Tilt Fin - 6.0" Smoke- Regular price
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$ 81.95 USD - Regular price
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$ 81.95 USD - Sale price
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$ 81.95 USD
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True Ames 9.75" Greenough Stage III - Multi ColorTrue Ames 9.75" Greenough Stage III - Multi Color- Regular price
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$ 109.95 USD - Regular price
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$ 109.95 USD - Sale price
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$ 109.95 USD
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FCS II Carver Neo Glass Large Eucalyptus Tri FinsFCS II Carver Neo Glass Large Eucalyptus Tri Fins- Regular price
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$ 86.00 USD - Regular price
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$ 86.00 USD - Sale price
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$ 86.00 USD
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FCS II Carver Neo Glass Medium Eucalyptus Tri FinsFCS II Carver Neo Glass Medium Eucalyptus Tri Fins- Regular price
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$ 86.00 USD - Regular price
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$ 86.00 USD - Sale price
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$ 86.00 USD
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FCS II Accelerator Neo Glass Large Red Tri FinsFCS II Accelerator Neo Glass Large Red Tri Fins- Regular price
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$ 86.00 USD - Regular price
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$ 86.00 USD - Sale price
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$ 86.00 USD
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FCS II Mason Ho PC AirCore Code Red Large Tri FinsFCS II Mason Ho PC AirCore Code Red Large Tri Fins- Regular price
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$ 170.00 USD - Regular price
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$ 170.00 USD - Sale price
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$ 170.00 USD
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FCS II Yago Dora PC Tri Fins Pulse Green MediumFCS II Yago Dora PC Tri Fins Pulse Green Medium- Regular price
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$ 155.00 USD - Regular price
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$ 155.00 USD - Sale price
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$ 155.00 USD
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FCS II Kolohe Andino PC Medium Black/Acid Tri FinsFCS II Kolohe Andino PC Medium Black/Acid Tri Fins- Regular price
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$ 170.00 USD - Regular price
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$ 170.00 USD - Sale price
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$ 170.00 USD
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FCS II AM Twin+1 PC Grey/Charcoal M-L FinsFCS II AM Twin+1 PC Grey/Charcoal M-L Fins- Regular price
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$ 152.00 USD - Regular price
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$ 152.00 USD - Sale price
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$ 152.00 USD
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FCS II CI x Dane Reynolds DD2 PG Large Tri FinsFCS II CI x Dane Reynolds DD2 PG Large Tri Fins- Regular price
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$ 146.00 USD - Regular price
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$ 146.00 USD - Sale price
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$ 146.00 USD
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FCS II CI x Dane Reynolds DD2 PG Medium Tri FinsFCS II CI x Dane Reynolds DD2 PG Medium Tri Fins- Regular price
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$ 146.00 USD - Regular price
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$ 146.00 USD - Sale price
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$ 146.00 USD
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FCS II Mayhem Driver PC Carbon Tri Fins Blue LargeFCS II Mayhem Driver PC Carbon Tri Fins Blue Large- Regular price
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$ 155.00 USD - Regular price
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$ 155.00 USD - Sale price
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$ 155.00 USD
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FCS II Mayhem Pivot PC Carbon Tri Fins Sand MediumFCS II Mayhem Pivot PC Carbon Tri Fins Sand Medium- Regular price
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$ 155.00 USD - Regular price
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$ 155.00 USD - Sale price
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$ 155.00 USD
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FCS II Mayhem Pivot PC Carbon Tri Fins Marine LargeFCS II Mayhem Pivot PC Carbon Tri Fins Marine Large- Regular price
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$ 155.00 USD - Regular price
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$ 155.00 USD - Sale price
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$ 155.00 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.

