Seakeeper 9 by Seakeeper

The Seakeeper 9 has been the best selling model to date.


Buy Seakeeper 9

The Seakeeper 9 is suitable for boats between 50 and 59 feet and up to 30 Tons in Weight.

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$108,600 ( MSRP 2024)

SEAKEEPER 9 AVG INSTALL COST $20,300

SEAKEEPER 9 AVG TOTAL COST $128,900

* Seakeeper 9 Cost Not Including applicable Tax, shipping, potential yard and transport fee’s depending on location.

Not sure if you should buy Seakeeper 9 or a different model?

Check out the information below which should help, but if the Seakeeper 9 Gyro Stabilizer doesn’t seem to be the correct model for your needs contact us now for help on making the right choice, or look our page detailing the cost of Seakeeper units.

Seakeeper 9 going in a custom build

This Seakeeper 9 went in a Matthew Custom Sportfish Boat

  • Boat size: 50 to 59 feet and up to 30 tons (60,000 pounds)

  • Unit weight: 1210 lbs (550 kg)

  • Dimensions: 34 inches length, 36 inches width, and 28 inches height

  • Power: The Seakeeper 9 requires an AC power source to operate

  • Warranty: 2 years or 2000 hours or whichever comes first (with option to extend)

  • Max rated speed: 9,000 RPM

  • Angular momentum at max rated RPM: 9,000 N-M-S

  • Anti rolling torque at max rated RPM: 18,890 N-M

  • Spool-up time to max rated RPM: 55 minutes (9,000 RPM)

  • Spool-up time to stabilization: 38 minutes (7,650 RPM)

  • Power consumption spool-up power: 3,000 Watts Max

  • Operating power: 1,250 - 2,000 Watts (Sea State Dependent)


In ClosingThe Seakeeper 9 is a state-of-the-art stabilization system specifically designed for boats ranging from 30 to 45 feet. It uses advanced gyroscopic technology to significantly reduce boat roll, enhancing safety and comfort on the water. The system operates quietly and efficiently, making it ideal for both leisurely cruising and serious fishing trips.

With its compact design, the Seakeeper 9 can be installed in various locations on the vessel without compromising valuable space. The unit stabilizes your boat almost instantly, allowing for smoother navigation in choppy waters. A user-friendly interface makes operation straightforward, while the durable construction ensures longevity and reliability in various marine environments.

Overall, the Seakeeper 9 is an excellent investment for boaters looking to improve their on-water experience by minimizing discomfort and fatigue caused by rolling.