Seakeeper 26000 (2013 Model) Designed to eliminate up to 95% of boat roll, the Seakeeper 26 is sized for vessels ~70-85 feet, up to ~75 tons. Unlike traditional external fins, the Seakeeper 26000 has no outside appendages, requires only modest electrical power, and can be installed virtually anywhere on board. New, this unit cost $248k. Was removed from a 82’ Sunseeker. Will let it go for $75k or best offer.