Best Fish Finders of 2026

Side imaging is the reason to step up to the HELIX 7, and the 7-inch screen is why it works. MEGA Side Imaging covers 125 feet on each side of the boat, while MEGA Down Imaging covers 125 feet below. We like that range because it lets you read a weed edge, a bridge piling, or a brush line before you run over it. The wider screen also gives those side returns room to breathe, which a 5-inch unit cannot do as comfortably.

Dual Spectrum CHIRP gives you wide and narrow search modes, and the Humminbird Basemap covers more than 10,000 lakes and coastal water. AutoChart Live records depth contours, bottom hardness, and vegetation for eight hours, so you can build a map of your own spots. The keypad controls are a deliberate choice: they work with wet hands and in weather that makes a touchscreen fussy.

The catch is that side imaging is not live sonar. It shows structure and fish positions, but it will not show a fish following your lure. The HELIX 7 also asks for careful transducer placement to keep a clean bottom reading. For an angler who wants a dedicated structure-reading unit on a bass boat or larger aluminum boat, though, this is the most direct route in this set.

The HELIX 5 sits in the useful middle: it adds GPS and lake maps without the console footprint of a 7- or 9-inch unit. The 5-inch display is bright enough to read in direct sun, and the softkey controls are arranged for quick changes rather than deep menu dives. For a 16- to 20-foot boat with limited dash space, that combination makes more sense than a bare depth finder.

Dual Spectrum CHIRP gives you wide and narrow search modes, and the Humminbird Basemap covers more than 10,000 lakes plus coastal water. AutoChart Live records eight hours of depth contours, bottom hardness, and vegetation, so you can improve the map on water the preloaded charts do not cover well. Installation is straightforward with the transom transducer, gimbal bracket, and power cable in the box.

The 5-inch display is best used as one view at a time; we keep the map full-screen when running and switch to sonar when fishing. What we appreciate most is the balance: the HELIX 5 gives you GPS waypoints and mapping without forcing you into a larger screen or a more complex chartplotter. The softkey system is quicker to learn than a touch menu, and the unit stays out of the way on a small helm. We choose it when mapping matters but dash space does not.

The ECHOMAP UHD2 93sv is the navigation-first pick: a 9-inch touchscreen with Navionics+ inland maps and a GT56 transducer in the box. The screen is bright and wide, with the kind of viewing angle that stays readable when you are standing at the console rather than sitting in front of it. Built-in maps cover more than 18,000 lakes with up to 1-foot contours, which is the difference between guessing at a point and following a breakline.

The GT56 transducer gives you traditional Garmin sonar, ClearVü, and SideVü scanning, so the same unit can read depth, structure, and fish positions. We appreciate the built-in Wi-Fi more than we expected: it lets you share sonar, waypoints, and routes with another ECHOMAP chartplotter without swapping cards. The wireless connection to a Force trolling motor is another useful layer if you already run that system.

This is a console boat unit, not a kayak accessory. At 8.1 pounds and roughly 10 by 6.5 inches, it needs real dash space and a secure mount. The payoff is a chartplotter that can run a route, show side-scan structure, and keep your waypoints organized on one screen. It is the unit we choose when the day starts with a run to a waypoint and ends with side-scanning a ledge.

The Eagle Eye 9 is for the angler who wants to watch a fish react, not just mark an arch. Live Forward and Live Down views show movement around your lure in real time, and the 9-inch IPS display gives those views enough space to be useful. We like that the live transducer connects directly to the display, with no separate sonar module to mount and wire. That simplicity matters on a boat where dash space is already tight.

One included transducer also handles CHIRP sonar and DownScan with FishReveal, so you can switch between live views and a more conventional read of structure. C-MAP charts cover more than 17,000 U.S. lakes, and Genesis Live mapping lets you add detail where the charts are thin. The forward view is the star: it is strongest in shallow to mid-depth water, where you can see fish approach and decide whether to change the presentation.

The C-MAP charts are useful but not the strongest mapping in this set, so we treat navigation as a secondary job here. This is a live-sonar tool first. For an angler who already knows where fish should be and wants to see whether they will commit, the trade is worth it. We reach for it when casting to cover is the plan, not when we are running a long route.

The HOOK Reveal 5 is the down-imaging alternative in this group. Its SplitShot transducer combines wide-angle CHIRP sonar with DownScan, and FishReveal overlays the two so fish targets stand out from structure instead of disappearing into it. The 5-inch screen is compact enough for a small boat, and the autotuning sonar takes some of the guesswork out of gain and sensitivity.

Preloaded C-MAP charts cover almost 4,000 U.S. inland lakes, and Genesis Live lets you add contour detail where the built-in map is thin. The unit also includes a SplitShot transducer, mounting bracket, power cable, fuse, and corner clips. That is a complete install in the box, which saves a trip for parts.

The 5-inch screen is best used as one view at a time; we keep the map full-screen when running and switch to FishReveal when fishing. What we appreciate most is how quickly FishReveal makes sense of a brush pile: the down-scan detail gives the fish arches a context that plain CHIRP misses. For an angler who wants down imaging and inland maps without a larger console unit, it earns a place.