Garmin GHP Reactor Series and Autopilot Systems

Experience total control on the water with Garmin GHP Reactor Series Autopilot Systems, designed for both powerboats and sailboats.

Featuring the Reactor 40, Reactor 40 Steer-by-Wire, and Reactor 40 Hydraulic models, these advanced systems deliver precise heading hold, responsive course correction, and seamless integration with Garmin chartplotters and networked instruments.

Whether navigating open waters or maintaining a steady heading in challenging conditions, Garmin’s solid-state AHRS technology ensures smooth performance and reduced power consumption for safer, smarter boating.

The stories

behind the products

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Compare Garmin’s ECHOMAP, GPSMAP, and STRIKER series to help you decide which model fits your fishing style, mapping needs, and budget...

Choose the Right Garmin Chartplotter for Your Boat

Garmin, Lowrance, and Humminbird all make powerful fishfinders — but Garmin stands out for its real-time sonar, intuitive mapping, and seamless networking. Here’s what sets Garmin apart and why it’s the top choice for serious anglers.

Garmin vs Competitors: What Sets Garmin Marine Electronics Apart

Garmin chartplotters are more than sonar screens — they’re advanced safety systems. Learn how radar, AIS, autopilot, and geo-fencing features keep you protected and confident on the water.

Marine Safety & Navigation Features in Garmin Units You Might Not Know About

Learn how LiveScope works, compare it to traditional sonar, and find compatible Garmin chartplotters like the GPSMAP 1223 and ECHOMAP Ultra.

Explained: Garmin LiveScope

Learn how Garmin Fantum and GMR radar integrates with chartplotters, Livescope™ sonar, and other fishing electronics for real-time navigation and total control.

Garmin Marine Radar: Safe Navigation in Any Condition

ActiveCaptain App connects your boat and smartphone, giving you full control of your Garmin chartplotter, Livescope sonar, and fishing electronics from anywhere. Learn how to plan routes, update software, and more...

Garmin Marine App and ActiveCaptain

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