10 Best Depth Finders 2025 in the United States

The Lowrance Elite FS 9 Fish Finder is a well-rounded device suitable for anglers seeking detailed underwater views and advanced fishing features. One of its standout strengths is the Active Imaging 3-in-1 sonar, which includes CHIRP, SideScan, and DownScan capabilities. This combination allows users to see underwater structures and fish with high clarity. The inclusion of FishReveal helps in distinguishing fish from other objects, making it easier to identify targets. Additionally, the device supports ActiveTarget Live Sonar, providing real-time images of fish movements and reactions to lures, which can enhance the fishing experience considerably.

The 9-inch multi-touch LCD screen is another highlight, offering a high-resolution display that is easy to navigate and read, even in bright sunlight. Its robust networking capabilities, including wireless, NMEA 2000, and Ethernet connectivity, enable seamless integration with other marine electronics, making it versatile for creating a comprehensive fishing system. The preloaded C-MAP Contour+ charts are beneficial for navigation and locating fishing hotspots, covering 8,900 U.S. lakes with high-resolution contours.

However, there are a few potential drawbacks. The device requires a 12 Volt DC power source, which may necessitate additional power management on smaller boats. While the product is feature-rich, its size and weight (approximately 4.53 kilograms) might affect portability for some users. Lastly, the price point might be on the higher side for casual or beginner anglers. The Lowrance Elite FS 9 is best suited for serious or professional anglers looking for advanced sonar capabilities and detailed underwater mapping.

The Garmin Striker Vivid 4cv is a compact and user-friendly depth finder ideal for anglers who want a clear view of underwater fish and structures. Its 4-inch color display uses vivid scanning color palettes, making it easier to spot fish and details below the surface. The included GT20 transducer supports Garmin's CHIRP traditional sonar and ClearVü scanning sonar, which provide better detail and clearer images compared to older sonar types, resulting in more accurate fish and bottom readings.

The built-in high-sensitivity GPS lets you mark spots, create routes, and see your boat speed, which is helpful for navigation and returning to favorite fishing locations. Quickdraw Contours mapping is a valuable feature, allowing users to create custom maps as they explore. The tilt and swivel mount helps with adjusting the display for better viewing angles, though this mounting style may not suit every boat setup. While the 4-inch screen is bright and clear, it might feel small for those used to larger displays.

The unit connects via Wi-Fi for easy updates and comes with all necessary mounting hardware, making installation straightforward. Its 2-pound weight and compact size add to its portability, making it suitable for small boats or anglers who want a simple but effective depth finder. If you're looking for a larger screen or more advanced features like networking with other devices, this model may feel limited, but for everyday fishing and basic depth finding, the Striker Vivid 4cv provides reliable performance with easy operation.

The Garmin ECHOMAP UHD2 94sv depth-finder is designed with a focus on ease of use and comprehensive functionality for boating and fishing enthusiasts. The product features a 9-inch bright touchscreen display that ensures clear visibility even in direct sunlight, which is a crucial factor when navigating on water. The display size and resolution of 1024 x 600 provide adequate detail for chart plotting, although some users may prefer a higher resolution for more detailed images.

One of its standout features is the GT56-TM transducer which supports Garmin's traditional sonar as well as ClearVü and SideVü scanning sonars. This offers a wide range of scanning capabilities useful for detecting fish and underwater structures. The inclusion of CHIRP technology enhances target separation and provides clear images, making it well-suited for serious anglers.

The built-in Garmin Navionics+ coastal charts with integrated Navionics data offer comprehensive navigation support, which would be particularly beneficial for those fishing or boating along U.S. coastal areas. The unit's built-in Wi-Fi connectivity allows for seamless sharing of sonar data and navigation routes with other ECHOMAP UHD2 devices, which facilitates collaborative fishing trips or group navigation. Another notable feature is its wireless connectivity with Garmin’s Force trolling motor, allowing for advanced control such as creating routes and adjusting speed directly from the chartplotter, which can enhance the fishing experience.

While weighing 8.08 pounds, the device might be less portable compared to smaller units, but its mounting options (dashboard or panel) can accommodate different types of watercraft. Considering its features, the Garmin ECHOMAP UHD2 94sv depth-finder is an excellent choice for those who prioritize comprehensive sonar capabilities and detailed navigation, especially in coastal areas.