Seakeeper 18

The Seakeeper 18 replaces the Seakeeper 16 with more power and efficiency.


Buy Seakeeper 18

The Seakeeper 18 is suitable for boats between 65 and 75 feet.

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$169,800 ( MSRP 2024)

AVG INSTALL COST $28,500

AVG TOTAL COST $198,300

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

Not sure if you should buy Seakeeper 18 or a different model?

Check out the information below which should help, but if the Seakeeper 18 doesn’t seem to be the correct model for your needs contact us now for help on making the right choice, or look at information on other Seakeepers on our Seakeeper price page.

Seakeeper 18 installation in Florida

This Seakeeper 18 was, one of two Seakeeper 18’s, retrofit into a 92’ Sea Force Custom Sport fish boat.

  • Boat size: 65 to 75 feet and up to 53 tons (112,000 pounds)

  • Unit weight: 2460 lbs (1116 kg)

  • Dimensions: 43 inches length, 43 inches width, and 33 inches height

  • Power: The Seakeeper 18 requires an AC power source to operate

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

  • Max rated speed: 6,150 RPM

  • Angular momentum at max rated RPM: 18,000 N-M-S

  • Anti rolling torque at max rated RPM: 47,881 N-M

  • Spool-up time to max rated RPM: 42 minutes (6,150 RPM)

  • Spool-up time to stabilization: 31 minutes (5,228 RPM)

  • Power consumption spool-up power: 3,700 Watts Max

  • Operating power: 1,425 - 3,700 Watts (Sea State Dependent)