Best Future Fins in 2026

Future Fin replacement screws

Perfect for lost or stripped screws

Real Stainless Steel

Height 5.14

Side FinsArea 19.79

Base 4.80

Fin Options: Twin Fins

Fin System: Futures

Height: Side Fins 4.71, Rear Fins 4.24

Area: Side Fins 15.05, Rear Fins 13.10

Base: Side Fins 3.59,;Rear Fins;3.46

Fin Options: Twin Fins

The K2 Keel is made of solid fiberglass offering stability and control at top speed.

The K2 Fiberglass Keel fin is a smaller, more refined version.

The smaller template offers a more high performance feel while maintaining the classic glide and trim of the keel.

Height 4.48

Side FinsArea 14.45

Base 4.36

Construction | Honeycomb

Template Category | Rake (drawn-out, control, drive)

Ride Number | Balanced – 5.8

To compliment the control, we tuned in the tip to allow for additional flex for a true performance feel.

Refined the ever popular MB template into a full size run.

The carbon panels in the base makes the fin more stable, providing a more controlled feel.

Construction | Honeycomb

Template Category | Rake (drawn-out, control, drive)

Ride Number | Balanced – 5.9

Construction |;Alpha (NetPlus)

Template Category |;Rake (Drawn-out | Drive)

Ride Number | Balanced – 6.2

Construction |;Vapor Core

Template Category |;Pivot;(tight-turns,;loose)

Size |;Large;(185lbs + )

Neutral templates with a balanced ride Number.

Construction | Honeycomb

Template Category | Rake (drawn-out, control, drive)

Ride Number | Balanced – 5.8

Construction | Fiberglass

Template Category | Keel (speed control, drive, trim)

Size | Large Twin

Height: Side Fins 4.64, Center Fin 4.64, Rear Fin 4.15

Area: Side Fins 16.00, Center Fin 16.00, Rear Fin 12.36

Base: Side Fins 4.65, Center Fin;4.65, Rear Fin 4.26

Color-coded by size, check the size chart before purchasing

The long blade is designed to increase leg strength and speed. Provides greater resistance in the water for maximum forward propulsion while improving swimming technique by teaching swimmers to kick from their hips and not their knees

Buoyancy from the fins lifts legs to the surface, making it easier for swimmers to find correct body position

NO TOOL REQUIRED: Hand Tighten Against Rubber O-Ring Means No Tools Ever

RUST PROOF: 316 Stainless Steel Will Not Rust In Fresh or Salt water.

COMPATIBLE WITH 99% OF BOARDS: Fits All Standard Surfboard Fin Boxes For Longboard, SUP, Single Fin, Paddleboard

NO TOOL REQUIRED: Hand Tighten Against Rubber O-Ring Means No Tools Ever

RUST PROOF: 316 Stainless Steel Will Not Rust In Fresh or Salt water.

COMPATIBLE WITH 99% OF BOARDS: Fits All Standard Surfboard Fin Boxes For Longboard, SUP, Single Fin, Paddleboard

PLEASE REVIEW OUR COMPATIBILITY LIST: This is a "Slide In" fin for some inflatable paddleboards. See our compatibility list in the photos for what boards this fits. Some examples: Aqua Marina, Vilano, Cohete, etc.

UPGRADED PERFORMANCE: Our stronger iSUP Slide fin will improve your board's tracking, meaning less stroke changes

DIMENSIONS: 9" with standard width and sweep

CLASSIC FIN TEMPLATE: This is our largest fin template, designed for center fins for longboards and paddle boards. Medium build and rake make this design the foundation for further fin template exploration. This time tested classic foil paddles easy and provides good hold in both flat water paddling and for turns and noseriding

SPECIFICATIONS: Depth: 10", Base: 6.5", Rake: 28° / MATERIAL: Glass Filled Nylon

COMPATIBILITY: Works on any SUP or surfboard with a standard 8.5" or 10.5" fin box. KNOWN INCOMPATIBILITIES: Some Inflatable SUPs such as the Bali Solstice, AquaMarine SPK2, see our compatibility image for more.

THE PERFECT CHOICE: Whether a professional paddle boarder or you’ve recently decided to embrace the amazing benefits of this wonderful sport, using the proper accessories when you’re out there can make a major difference in terms of results. The Aqua 9" Quick Release Detachable Center Fins are definitely a must for everyone!

IMPROVED PERFORMANCE: This paddleboard fin is made with premium quality materials guaranteed to withstand the test of time, having an essential role when it comes to increasing stability, balancing steering maneuvers and traction.

EASY DIY INSTALLATION: Unlike similar products on the market, this longboard fin features a practical, user friendly design, with a quick-release detachable system which slides in and secures in a matter of seconds. Say goodbye to the hassle of screws or tools!

12 pack of stainless steel grub screws for FCS fin boxes.

Perfect for replacing lost and damaged screws

Real Stainless Steel

Compatibility: The THURSO SURF SUP Fin Replacement is Compatible with Many SUP Brands Such as: HyperLite (Costco) | Bluefin | Blackfin | FBSPORT | GILI | Hatha | iRocker | Jobe | Nautical | PEAK | DriftSun | Coasto and etc.

Convenience: Broken or Misplaced Fins can be Replaced in Minutes. The Paddle Board Fin Replacement Features Tool-less Quick Lock and Release Mechanism Same as the Original Fins. Bonus Paddle Board Fin Clip Included.

Performance: The Paddle Board Fins Replacement Helps the Board to Travel in a Straight Line So You Won't Have to Switch Paddling Sides as Often. The Sharp Profile Minimizes Drag, and Balances Speed and Stability. Suitable for All Wave Conditions.

Save your hands, fins and boxes with the fin removal & installation Tool from FINPULLER, a must have for every surfer

FITMENT (PLEASE READ): Fits in all standard 10.5" long US fin boxes, please see our fin dimension image and measure you fin box. Also seem out compatability chart image. If unsur, please contact us for fitment details. If after purchase it doesnt' fit, contact us before returning and can take care of easier than Amazon.

SPECIFICATIONS: Depth 9.25", Base: 5 3/4", Sweep/Rake: 30° / MATERIAL: Glass Filled Nylon

CLASSIC FIN TEMPLATE: The perfect fit for a longboard or SUP, this classic fin templates is designed for center fins for longboards and paddle boards. Medium build and rake make this design the foundation for further fin template exploration. This time tested classic foil paddles easy and provides good hold in both flat water paddling and for turns and noseriding.

MAXIMUM COMFORT - This ankle cuff delivers value by attaching the fins to your ankle, keeping your fins connected to you while in the ocean.

SECURE FIT - Adjustable cuff suitable for all sizes with velcro ankle strap (Surfboard leash not included with purchase)

FREEDOM OF MOVEMENT - Our Fin Saver ankle cuff is comfortable to wear and will not restrict your mobility when surfing or paddleboarding

PLEASE PAY ATTENTION: This "Slide In" SUP Fin could be fit for most inflatable paddleboards and surfboards.

EASY INSTALL AND USE: It is very easy to install-just Slide in and secure, no screws or tools needed. Then you could enjoy the surfing or paddling.

EXCELLENT PERFORMANCE: Our stronger stand up board fin will help you to control paddle board better and improve your board's tracking.

COMBO PACK: This Santa Barbara Surfing combo kit includes three (3) Fin Keys that work all hex key fin systems and twelve (12) FCS fin screws.

HIGH QUALITY: Steel hex key with plastic molded handle has a comfort fit in your hand, and the loop means you can keep this on your keychain. FCS screws are stainless steel so won't get stuck.

FREE STICKER: We include our Santa Barbara Surfing sticker in the package so you can represent.