Professional yacht broker Jimmy Rogers has written this article summing up the pros and cons of fins and gyros.

Best yacht stabilizers. Gyro stabilizers come as one big box which is quite space-demanding. Luckily in most situations the roll is by far the most dominant and most uncomfortable motion so reducing roll by a good percentage will make a substantial difference in comfort and safety on. What stabilizers do is reduce roll movement of a vessel but not very much of the pitch sway yaw or massive movements you get on a vessel in waves.

Super Yacht Stabilizers can help you to find a stabiliser solution for your Superyacht to ensure a smooth and enjoyable cruise independent of weather and wave conditions. The Seakeeper 2 is the first of our products to reach down into the 20-foot boat market. Seakeepers gyro stabilizer systems.

Quantum pioneered the technology for its trademarked Zero Speed stabilizing system for megayachts and superyachts. According to the manufacturer the Seakeeper 2 is designed to eliminate up to 95 percent of boat roll on boats as small as 27 feet LOA. And perhaps nobody does fins better than Naiad.

Recently released at the 2018 Miami International Boat Show Seakeepers newest model is their smallest stabilizers to date. They do have their drawbacks however are still amazingly effective. This featured product looks at the SeaKeeper Gyro which is a Control Moment Gyro like the ARG Gyro.

Which is pretty much exactly what it sounds like. Seakeeper is the world leader in active gyro stabilizer technology for the leisure yacht and commercial marine industry. The main companies in this field are Naiad Dynamics Quantum Stabilizers.

They have a rotating part kept under vacuum to increase the rotation speed thus reducing the necessary mass. For new equipment costs at Quantum range from around 300000 up to 5-5m depending on the size of the yacht and the scale of the system. Retrofits may simply involve updating an old fin with a newer one in which case costs are lower because the hydraulics may already be in place.