Surfboard fins are the small fins on the bottom of your board. They change how it holds, turns and picks up speed. This page shows all our fins, for shortboards, mid-lengths and longboards. First check your board's fin box (FCS II, Futures or a longboard box), then pick a setup and a size for your weight.

Can't find a set? Text or call (808) 597-9055 and we'll help you find the right setup.

Buying guide

Box first: FCS II fins fit FCS II boxes; Futures fins fit Futures boxes. Check your board before you buy.
Setup: thruster (3), quad (4), twin or twin+1, or a 5-fin set that lets you ride either.
Size: most sets list a size or rider-weight range (S, M, L, XL). Pick by your weight.
Longboards: single fins (about 6"–10.5") in a US box, often with side bites.
Board buyers get 15% off accessories and clothing.

Setup	Fins	Feel (general guide)	Examples we carry
Thruster	3	All-round control and drive	FCS II Performer PC; Futures John John Florence Techflex; Firewire Endorfins KSR
Quad	4	Speed and hold in clean waves	FCS II Quad Rear Performer; FCS II Nathan Florence Quad; Futures Quad Rear Pivot
Twin / Twin+1	2–3	Loose and fast; keels for fish	Futures Rasta Keel; FCS II Mick Fanning Twin+1; Firewire Rob Machado Too Fish Keel
5-fin	5	Ride as a thruster or quad	Futures AM1 Techflex; Firewire 5-Fin Spun Honey; FCS II Hayden Shapes Tri-Quad
Longboard single + side bites	1–3	Glide, trim and noseriding	True Ames Greenough 4A; FCS II Christenson Noserider; Takayama Halo Side Bites

Do we have what you're looking for?

If you can't find the fins you're after, text us 808-597-9055 or email sales@hawaiiansouthshore.com. We may have them available or help you find the right setup.

Enjoy free US shipping on orders $150 and above. We ship to any US address—West Coast usually arrives in about 3 days, East Coast around 4 days.

FAQ

Do FCS fins fit Futures boxes?

No. FCS II fins fit FCS II boxes and Futures fins fit Futures boxes. Check your board's fin box first.

What size fins do I need?

Most fin sets list a size by rider weight (S, M, L, XL). Pick the size that matches your weight. Not sure? Ask us in the shop.

How long does shipping take?

We ship by USPS Ground Advantage. Most orders arrive in about 7–10 days. There is no same-day delivery.

Do board buyers get a discount on fins?

Buying a surfboard from us? Board buyers get 15% off accessories and clothing.

How do I know an item is in stock?

Our website inventory updates every 10 minutes. If you are coming in for a certain item, call first and we will check it for you.

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Firewire surfboard Fins

Find the right fins for you with our prestige Firewire Surfboard Fins