Seakeeper 18 specs
The Seakeeper 18 is ideal for boats between 60 and 75 feet, offering powerful stabilization to enhance comfort and control on the water.
$183,700 (AS OF JAN. 1, 2026)
AVG INSTALL COST $29,500
AVG TOTAL COST $213,200
*Seakeeper price does not include applicable taxes, shipping, or potential yard and transport fees, which may vary by location.
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Key Specifications:
- Boat Size Compatibility: 60–75 feet | Up to 53 tons
- Power Source: AC power required
- Unit Weight: 2,460 lbs (1,116 kg)
- Dimensions: 43″ L x 43″ W x 33″ H
- Warranty: 2 years or 2,000 hours (whichever comes first)
Extended warranty available
Performance:
- Maximum Rated Speed: 6,150 RPM
- Angular Momentum (Max RPM): 18,000 N·m·s
- Anti-Rolling Torque (Max RPM): 47,881 N·m
- Spool-Up Time to Max RPM: 42 minutes
- Time to Stabilization (5,228 RPM): 31 minutes
Power Consumption:
- Operating Power: 1,425 – 3,700 Watts (depending on sea conditions)
- Spool-Up Power: Up to 3,700 Watts