Buy Seakeeper 5

The Seakeeper 5 is suitable for boats between 40 and 45 feet, runs exclusively on 12V DC power and can be installed virtually anywhere on board. Need more information? Contact us now.

$55,800 ( MSRP 2023)

AVG INSTALL COST $20,000

AVG TOTAL COST $75,800

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


Not sure if you should buy Seakeeper 5 or a different model?

Check out the information below which should help, but if the Seakeeper 5 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 5 in a 44' Tiara

This Seakeeper 5 was retrofit in a 44’ Tiara.

  • Boat size: 40 to 45 feet and up to 20 tons (40,000 pounds)

  • Unit weight: 550 lbs (249 kg)

  • Dimensions: 30 inches length, 30 inches width, and 25 inches height

  • Power: The Seakeeper 5 requires a ac power source to operate

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

  • Max rated speed: 8,100 RPM

  • Angular momentum at max rated RPM: 5,000 N-M-S

  • Anti rolling torque at max rated RPM: 13,080 N-M

  • Spool-up time to max rated RPM: 35 minutes (8,100 RPM)

  • Spool-up time to stabilization: 22 minutes (6,885 RPM)

  • Power consumption spool-up power: 2,300 Watts Max

  • Operating power: 1,050 - 2,300 Watts (Sea State Dependent)