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 Striker Vivid 7cv is a user-friendly 7-inch color fishfinder ideal for both amateur and experienced anglers. It comes with a GT20-TM transducer that supports both Garmin CHIRP traditional sonar and CHIRP ClearVü scanning sonar, which helps in clearly identifying fish and structures underwater. The vivid scanning sonar color palettes further enhance visualization, making it easier to distinguish between different underwater elements.

The display is an LCD screen, providing clear and bright visuals, which are essential during fishing trips in various lighting conditions. The high-sensitivity GPS is a noteworthy feature, allowing users to mark waypoints, create routes, and monitor their boat speed, adding a layer of navigational convenience. Additionally, the built-in Quickdraw Contours mapping is beneficial for creating custom fishing maps on the spot. Another modern touch is the Wi-Fi connectivity, enabling connection to the ActiveCaptain app for software updates and waypoint transfers, making it a tech-savvy choice.

However, the device is battery-powered, which might be a drawback for extended fishing trips unless spare batteries are carried. The unit is somewhat portable with a 4.4-pound weight and dimensions of 3.4"L x 6.1"W x 7"H, although it may not be the lightest option available. The surface mount installation could be a bit tricky for beginners but is manageable. The Garmin Striker Vivid 7cv stands out with its comprehensive sonar capabilities and smart features, making it a valuable tool for both casual and serious fishing enthusiasts.