SABFOIL Sea Devil 840 | Modular Hydrofoil 2-in-1

Two souls. One foil. Precision and speed in every condition.

Engineered for riders who demand more from their light wind sessions, the Sea Devil 840 is SABFOIL’s most compact and responsive hydrofoil in the Sea Devil range. Whether you're carving waves, freeriding, or pushing your limits in freestyle and downwind, this modular 2-in-1 foil adapts to your style and conditions.

Dual Riding Modes:

• Tail Mode (with Stabilizer): Delivers rock-solid stability and smooth control, perfect for speed, transitions, and confident freeriding.

• Raw Mode (without Stabilizer): Unlocks extreme agility and a surfy, ultra-reactive feel – ideal for experienced riders chasing a direct connection to the water.

Built for Progression and Performance

• Top Speed: 22–24 knots

• Takeoff Speed: 10–12 knots

• Aspect Ratio: 3.3 (Front Wing)

• Weight: 2.28 kg (Raw) / 2.48 kg (Tail)

• Front Wing Span: 840 mm

• Surface Area: 2122 cm²

Key Features:

• Full Carbon Monocoque Construction – No fuselage, no compromise. Experience ultra-direct feedback and reduced drag for maximum performance.

• Compact & Reactive Geometry – Tight turns, fast acceleration, and high maneuverability in all conditions.

• Self-Stabilizing Profile – Stable when you need it, responsive when you want it.

• Modular Design – Easily configure your setup for kite, wing, surf, SUP, or downwind foiling.

Designed for lighter or advanced riders, the SD840 is perfect for those looking to ride dynamically in light to medium winds (12–25 knots), with the option to ride radically or smoothly depending on your mood and setup.

One foil. Two experiences. Total freedom.