Marine GPS Sounders

Where applicable, the sounder version comes with a powerful dual-frequency transducer that clearly illustrates depth contours, fish targets and structures - whether you’re fishing in freshwater or off the coast. Garmin Sounders feature an ultra-bright diagonal screen along with an improved high-speed digital design for faster map drawing and panning speeds.

Plus, these waterproof units have a high-sensitivity internal GPS receiver, so mariners will always know their position at sea. They are ready to go with a built-in, satellite-enhanced worldwide basemap and Garmin's proven easy-to-use interface designed to help you navigate the open waters with ease. With the optional BlueChart g2 Vision SD card, you can add a whole new dimension of exceptional features to your sounder.