Seakeeper 18

Experience 2,000 newton-meter-seconds more angular momentum than the Seakeeper 16 in the same compact package. The Seakeeper 18 eliminates up to 95% of boat roll on vessels up to 56 tons, between 65’ and 75′.

Turn exceptional into extraordinary.


Is the Seakeeper 18 for you?

The Seakeeper 18 is typically ideal for boats between 65’ and 75’, but based on the 15,000 Seakeeper installations to date, we have the hard predictive and performance data to determine which Seakeeper installation is best for your vessel.

Find the right Seakeeper for you.

Look inside exceptional.

Weight 2,270 (1,030 kg)
Dimensions 42.1 L x 43.1 W x 33.6 H
1.069 L x 1.096 W x 0.854 H
Max Rated Speed 7,000 RPM
Angular Momentum at Max Rated RPM 18,000 N-M-S
Max Anti-Rolling Torque at Max Rated RPM 34,980 N-M
Spool-up Time to Max Rated RPM 50 minutes (7,000 RPM)
Spool-up Time to Stabilization 35 minutes (5,950 RPM)
Noise Output 66 - 68 dBC at 1 meter
Power Consumption
Spool-Up Power 3700 Watts Max
Spool-Up Power Input N/A
Operating Power 2300 - 3700 Watts (Sea State Dependent)
Operating Power Input N/A
AC Power Input 220 VAC, 50/60 Hz, Single Phase
Control Power 240 Watts
Control Power Input 24 VDC @ 10 Amps
Seawater Pump Power Input Over Current Protection based on installed pump rating 24 VDC @ 10 Amps Max

Active Control

Seakeeper gyro stabilizers use smart technology to actively sense the sea state and instantaneously react for optimal performance at all speeds and sea conditions.

Vacuum Sealed

Seakeeper’s vacuum encapsulation not only protects its critical components from the harsh marine environment, but also cuts flywheel weight by two-thirds and halves power draw.

New Dash Display

Seakeeper’s new user-friendly dash display makes stabilization simple. Now, you can integrate your existing dash units, and control your Seakeeper with ease.

Extend your peace of mind with an extended warranty.

Starboard Yacht Group is a Certified Seakeeper
Installation & Service Center for all units.

We are not your average Seakeeper dealer. Starboard Yacht Group is a leading Seakeeper service provider in Fort
Lauderdale, FL. No matter the size or model of your boat, Starboard Yacht has the expertise to transform your
experience with every Seakeeper in the recreational line.

Transform your boating experience now.


What does it take to make a
Seakeeper fit?

Read the Instructions you won’t find in any guide.

Already have a Seakeeper?