10 Best Boat GPS Depth Finders 2026 in the United States

The Lowrance Elite FS 9 Fish Finder is a comprehensive tool designed for avid fishers. It features a 9-inch high-resolution, multi-touch screen which is both user-friendly and easy to install. The device excels in sonar technology, incorporating Active Imaging 3-in-1 sonar with CHIRP, SideScan, and DownScan along with FishReveal, providing detailed images of underwater structures and fish. Its support for ActiveTarget Live Sonar allows for real-time viewing of fish around structures, enhancing the fishing experience.

The preloaded C-MAP Contour+ charts cover 8,900 U.S. lakes with high-resolution 1-foot contours, aiding in precise navigation and spotting prime fishing areas like ledges and drop-offs. Connectivity is another strong point, with integrated wireless, NMEA 2000, and Ethernet connectivity enabling the addition of radar, outboard pilot, and data sharing between devices. The unit is built with durability in mind, including waterproofing to withstand harsh marine environments.

However, it's worth noting that the high level of detail in the sonar may be more than necessary for casual users, and the need for a separate S3100 module for Active Imaging HD could be seen as a drawback. Additionally, at a weight of 10 pounds, it is relatively heavy, which might affect portability. Despite these points, its high performance and robust feature set make it a strong candidate for serious anglers looking for a reliable and detailed fish finder.

The Simrad GO9 XSE is a 9-inch chartplotter designed for small to mid-sized boats like sportboats and center-consoles, offering a solid balance of features for navigation and fishing. Its bright, touchscreen display is large enough for clear viewing of detailed maps and sonar images. The included Active Imaging 3-in-1 transducer combines CHIRP sonar with SideScan and DownScan imaging, which helps you see underwater structures and fish with impressive clarity.

The GPS provides reliable accuracy for tracking your position on high-resolution C-MAP Discover charts, which cover a wide area across the US and Canada and include helpful depth shading, tides, and currents information. Connectivity is a strong point, allowing you to mirror the display to smartphones or tablets and link to other marine devices via NMEA 2000, plus it’s radar ready for enhanced safety. The unit is also built to handle marine environments with waterproofing and a sturdy build.

While feature-rich, the system may have a learning curve for those new to multifunction displays, and its price point might be higher than more basic models. The package includes all necessary mounting hardware and a sun cover, which is handy for bright conditions. This model is well suited for boaters who want advanced sonar and mapping combined with good connectivity options in a compact size, but casual users looking for simple navigation might find it more complex than needed.

The Lowrance Elite FS 7 Fish Finder is a feature-rich device that caters to both amateur and experienced anglers looking for a reliable navigation and fish-finding tool. Its 7-inch multi-touch LCD screen offers a user-friendly interface which makes it easy to operate, even for those less experienced with technology. The display is of high resolution, allowing for clear visuals of underwater features and fish activity, thanks to the Active Imaging 3-in-1 sonar that includes CHIRP, SideScan, and DownScan capabilities. This is further enhanced by FishReveal technology, which optimizes target separation, making it easier to spot fish amidst structures.

The device is equipped with preloaded C-MAP Contour+ charts, providing detailed mapping of 8,900 U.S. lakes, beneficial for precision navigation and locating key fishing spots. Its ActiveTarget readiness offers live sonar imaging, providing real-time visuals of fish movement which can significantly enhance fishing strategy.

In terms of connectivity, the Elite FS 7 supports full networking capabilities with integrated wireless, NMEA 2000, and Ethernet, allowing users to share data and expand their system with additional components, like radar or autopilot systems. This flexibility is a significant advantage for users seeking a comprehensive fishing system. However, there are some limitations. The maximum measuring depth is only 40 feet, which may not suit those fishing in deeper waters. While the device is durable and designed for water-related activities, it doesn't specify an IP waterproof rating, which is something potential buyers might want to confirm for assurance in harsh weather conditions. It serves as a strong option for those needing a reliable and integrated fishing system, but deeper water anglers might need to explore models with greater depth capabilities.