Seakeeper 35

Seakeeper 35 legacy Seakeeper model can still be purchased as a remanufactured model.


Buy Seakeeper 35

The Seakeeper 35 is suitable for boats of 85 feet and larger.

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$309,300 ( MSRP 2023)

Average install costs vary considerably depending on the vessel so please call or contact us for a quote.

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


Not sure if you should buy Seakeeper 35 or a different model?

Check out the information below which should help, but if the Seakeeper 35 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 35 for a 78' Garlington

This Seakeeper 35 was getting prepped to go to its forever home in a 78’ Garlington Sportfish Boat.

  • Boat size: 85 feet and larger, and up to 100 tons (200,000 pounds) Note that multiple units can be installed on boats larger than this!

  • Unit weight: 3920 lbs (1778 kg)

  • Dimensions: 53 inches length, 56 inches width, and 43 inches height

  • Power: The Seakeeper 35 requires an AC power source to operate

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

  • Max rated speed: 5,150 RPM

  • Angular momentum at max rated RPM: 35,000 N-M-S

  • Anti rolling torque at max rated RPM: 93,934 N-M

  • Spool-up time to max rated RPM: 76 minutes (5,150 RPM)

  • Spool-up time to stabilization: 58 minutes (4,378 RPM)

  • Power consumption spool-up power: 5,000 Watts Max

  • Operating power: 2,400 - 5,000 Watts (Sea State Dependent)