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Elite Marine Stabilizers

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ONCE YOU FEEL IT,
YOU'LL NEVER BOAT WITHOUT IT

Seakeeper eliminates up to 95% of boat roll, transforming everyone’s experience on the water. Boat owners around the world know it’s a must-have. Are you ready to join them?

More Stabilization. Smaller Package.

The Seakeeper 4 and 4.5 showcase our latest innovations, making them the most efficient and most effective gyrostabilizers ever built in their size range.

Stability, Comfort, Confidence.

What is Seakeeper ?

Seakeeper is a gyroscopic stabilizer that eliminates up to 95% of boat roll, providing unmatched comfort and safety.

Energy Efficient

Minimal power usage without sacrificing performance.

Enhanced Safety

Reduces risk and improves onboard stability.

Better Experience

Smoother cruising, fishing, and entertaining.

Optimized Performance

Greater control and efficiency in all conditions.

REVOLUTIONIZING STABILITY AT SEA

The Technology Behind the World’s Leading Marine Stabilization System

At the heart of every Seakeeper lies a precision-engineered high-speed flywheel enclosed within a vacuum-sealed sphere. This advanced gyroscopic technology actively counteracts boat roll by generating powerful stabilizing forces, delivering an unmatched level of comfort and control on the water.

Powered by sophisticated sensors, intelligent control systems, and aerospace-inspired engineering, Seakeeper continuously monitors vessel movement and responds instantly to changing sea conditions.

The result is a smoother ride, reduced fatigue, increased safety, and a more enjoyable boating experience for everyone onboard.

Advanced Engineering. Intelligent Stabilization. Unrivaled Comfort.

The Flywheel

The flywheel spins at speeds up to 557 miles per hour generating enough force to... well, stop a boat from rolling.

Vacuum Sealed

Seakeeper’s vacuum encapsulation enables the flywheel to spin roughly three times faster, cuts flywheel weight by two-thirds, and halves power requirements. Because the critical components (flywheel, bearings, and motor) are sealed in a vacuum, they are isolated from the marine environment.

Innovative Cooling System

Our patented cooling system removes heat from within the vacuum enclosure and dissipates it through a glycol/seawater combination. This enables the flywheel to spin at an extremely high rate of speed, providing ultimate performance in the smallest and lightest package possible.

Active Control

Seakeeper's active control works as smart technology, automatically gauging the sea state and reacting instantaneously. This allows for optimal performance at all speeds and sea conditions.

Seakeeper Vaccum Sealed

Vacuum Sealed

Seakeeper’s vacuum encapsulation enables the flywheel to spin roughly three times faster, cuts flywheel weight by two-thirds, and halves power requirements. Because the critical components (flywheel, bearings, and motor) are sealed in a vacuum, they are isolated from the marine environment.

Seakeeper SK flywheel inside a gyro stabilizer unit

The Flywheel

The flywheel spins at speeds up to 557 miles per hour generating enough force to... well, stop a boat from rolling.

Innovative Cooling System

Our patented cooling system removes heat from within the vacuum enclosure and dissipates it through a glycol/seawater combination. This enables the flywheel to spin at an extremely high rate of speed, providing ultimate performance in the smallest and lightest package possible.

Seakeeper Active Control

Active Control

Seakeeper's active control works as smart technology, automatically gauging the sea state and reacting instantaneously. This allows for optimal performance at all speeds and sea conditions.

How it works

Inside a vacuum encapsulation, a flywheel spins at speeds of up to 9,750 rpm. When the boat rolls, the gyro tilts fore and aft (precesses), producing a powerful gyroscopic torque to port and starboard that counteracts the boat roll.

Watch this video and see how it works

Seakeeper Warranty

To ensure peace of mind, all Seakeeper products come with a multi-year factory warranty

Find the Right Seakeeper for Your Boat