If you're upgrading your boat's sonar setup, here are a few other reasons to make sure your next device includes GPS features.
LOOKOUT: AI-Powered Marine Camera for Safer Boating
Learn How to Use and Read a Boat GPS
10 Things You Need on a Boat
Stay Safe With the Best Marine GPS
7 Best Handheld Portable Marine GPS Devices
How to Choose the Right GPS for Your Boat
What are Marine VHF Radios, Marine GPS and Marine Autopilots?
The Top 5 Free Boating Navigation Apps – Boating Articles Your Boating Guide
2.6-inch TFT LCD display. Display size-1.43 x 2.15 inches. 2.6 inch diagonal Worldwide shaded relief basemap; microSD card slot for optional mapping
Garmin GPSMAP 78S Marine GPS Navigator and World Wide Chartplotter (010-00864-01)
3 Reasons Your Boat Needs a Marine GPS
BlueBoat - USV for Hydrographic Surveys and Robotics
Pilotage: 14 ways to get a fix - Practical Boat Owner