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White electric surfboard fin with folding propeller and "Boost Surfing" logo on the side against a white background.
  • White electric surfboard fin with folding propeller and "Boost Surfing" logo on the side against a white background.
  • Boost Fin Plus
  • Boost Fin Plus
  • Boost Fin Plus
  • White electric surfboard fin with folding propeller and "Boost Surfing" logo on the side against a white background.
  • Boost Fin Plus
  • Boost Fin Plus
  • Boost Fin Plus
Boost Fin Plus
$949.00

Boost Fin Plus with Folding Propeller

The Boost Fin Plus is a motorised fin for surfboards, SUPs and kayaks that gives you extra power on the water. Whether you’re catching more waves, cruising longer, or battling tough currents and wind, this fin delivers an effortless boost. The Plus version features an upgraded folding propeller design for smoother performance and reduced drag.

Key Features

  • Folding Propeller: Reduces drag when the motor isn’t running and helps prevent seaweed or debris jams.

  • Strong Thrust & Speed: Delivers up to 20 lbs of thrust with a top motor speed of around 18 km/h.

  • Optimised Battery & Runtime: Upgraded 3,500 mAh lithium-ion battery for around 15% longer ride time.

  • Universal Fit: Compatible with most boards via adapter kits, including Longboard, Slide-In (SUP), FCS, Futures, and Soft Top.

  • Remote Control & App: Operate via waterproof wrist remote or use the Boost Surfing app to customise boost modes and settings.

  • Durable Build: Reinforced outer shell and coating for protection against rocks, sand and saltwater.

  • Easy Installation: Mounts in minutes — just swap it with your regular fin using the included adapter kit.

Specifications

  • Weight: 1.4 kg

  • Dimensions: 267 × 229 × 89 mm

  • Battery: 3,500 mAh lithium-ion

  • Maximum Thrust: 20 lbs

  • Top Speed: 18 km/h (conditions dependent)

  • Waterproof Rating: IPX8 (up to 10 m depth)

What’s in the Box

  • Boost Fin Plus motorised fin

  • Longboard adapter (US fin box)

  • Waterproof wrist remote

  • Wall charger (100–240 V) with international plug adapters

  • Mounting kit with tools and screws

  • User manual and app instructions

Who It’s For

  • Surfers who want an easier paddle-out and more waves per session.

  • SUP and kayak riders who want help fighting wind or current.

  • Casual riders who value endurance and comfort over high-performance manoeuvrability.

Pros & Cons

Pros

  • Powerful assist for paddling and wave catching

  • Universal fit across board types

  • Folding propeller eliminates unnecessary drag

  • Easy to install and use

Cons

  • Heavier than a standard fin (1.4 kg)

  • May slightly reduce manoeuvrability on performance boards

  • Battery life varies by rider weight and water conditions

Usage & Maintenance Tips

  • Rinse with fresh water after saltwater use to prevent corrosion.

  • Fully charge the battery before each session and every few weeks during storage.

  • Use the app to choose between short or long boost modes to suit your conditions.

  • Securely tighten all adapter screws and check before each ride.

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