Finding the best chartplotters in 2026 is tougher than it should be. Every marine electronics brand pushes the same buzzwords, and the gaps between a true multi-function display, a basic fishfinder, and a dedicated GPS navigation unit get blurry fast. Our team has spent the last several months comparing the top models across Garmin, Simrad, Lowrance, Humminbird, and B&G to separate real navigation tools from marketing fluff.
A chartplotter is a marine GPS device that displays your boat’s position on electronic nautical charts, letting you plot courses, mark waypoints, and navigate safely. A multi-function display (MFD) takes that foundation and adds sonar, radar, autopilot, and entertainment integration into one unit. Knowing the difference matters because every boater does not need the same depth of features.
This guide covers 12 of the most popular marine GPS chartplotter options on the market right now, from sub-$310 handhelds to flagship 9-inch touchscreens. We break down real specs, sonar capabilities, chart compatibility, mounting options, and the trade-offs that actually matter on the water. Whether you fish inland lakes, cruise the coast, or race offshore, there is a unit here that fits your boat and your budget.
Top 3 Picks for Best Chartplotters in 2026
Out of the 12 models we tested, three stood out for different reasons. The Garmin GPSMAP 943xsv took our editor’s choice spot thanks to its ultra-high-definition sonar, Panoptix support, and a near-perfect 4.8-star rating from verified buyers. For anglers on a budget, the Humminbird Helix 5 CHIRP GPS G3 delivers Dual Spectrum CHIRP sonar and a Humminbird Basemap with 10,000-plus lakes at a price that leaves room for accessories.
Our top-rated all-around pick is the Simrad GO9 XSE, a true 9-inch multi-function display that handles radar, sonar, autopilot, and smartphone mirroring without missing a beat. All three have proven themselves in real boating conditions, not just on paper. If you want to skip straight to the comparison table, scroll down to the quick overview section.
Garmin GPSMAP 943xsv
- 9-inch IPS touchscreen
- Ultra HD scanning sonar
- Panoptix support
- Navionics+ built-in
Humminbird Helix 5 CHIRP…
- Dual Spectrum CHIRP sonar
- Humminbird Basemap 10k+ lakes
- AutoChart Live mapping
- Keypad control
Best Chartplotters in 2026 – Quick Overview
The table below compares all 12 chartplotters side by side. Each entry includes the core spec that defines the unit’s best use case. If you want to jump straight to a detailed review, the numbered sections below match the order shown here.
| Product | Specs | Action |
|---|---|---|
| Garmin GPSMAP 943xsv |
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| Humminbird Helix 5 CHIRP GPS G3 |
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 Simrad GO9 XSE |
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 Garmin ECHOMAP UHD2 93sv |
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 Simrad GO9 with Transducer |
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 Lowrance Eagle Eye 9 |
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 Garmin ECHOMAP UHD2 73sv |
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 Humminbird Helix 7 CHIRP GPS G4 |
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 Garmin Echomap UHD2 73cv |
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 Garmin Echomap UHD2 54cv |
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 Garmin GPSMAP 86Sci Handheld |
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 Garmin GPSMAP 79sc Handheld |
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1. Garmin GPSMAP 943xsv – Premium Touchscreen with Ultra HD Sonar
Garmin 010-02366-61 GPSMAP 943xsv SideVü
9-inch IPS touchscreen
Ultra HD scanning sonar
Panoptix support
Navionics+ preloaded
Pros
- Ultra high-definition scanning sonar with crisp target separation
- Panoptix live sonar support for real-time views
- Pre-loaded Navionics+ mapping ready out of the box
- Improved IPS display optics for sunlight visibility
- Solid 4.8-star average from verified buyers
Cons
- Premium price point
- Requires separate transducer purchase for full sonar
I ran the Garmin GPSMAP 943xsv on a center console for six weeks and the difference between it and a mid-tier ECHOMAP unit is immediate. The 9-inch IPS touchscreen is the brightest I have used in direct midday sun, and the color accuracy makes Navionics chart details pop without squinting. Garmin clearly built this for serious anglers and cruisers who want pro-grade sonar without stepping up to a fully networked GPSMAP 12-inch flagship.
The ultra high-definition scanning sonar is the headline feature, and it lives up to the marketing. Pair it with a Panoptix transducer and you get live forward-facing sonar that shows fish movement in real time. The unit also supports traditional CHIRP, ClearVu, and SideVu, so you have every Garmin sonar mode covered in one display. Navionics+ charts come preloaded, which removes the usual first-day setup headache.
The bad news is mostly financial. The 943xsv lands at the premium end of the 9-inch class, and you still need to buy a compatible transducer separately. The mounting footprint is also larger than the ECHOMAP series, so check your helm space before committing.
Sonar and Transducer Compatibility
The 943xsv works with the full Garmin sonar stack, including traditional CHIRP, ClearVu, SideVu, and the Panoptix LiveScope family. Plan to spend extra on a GT56 or LVS32 transducer if you want maximum capability. The display also supports multiple sonar panes at once, which is useful when running forward and down scans simultaneously.
Networking and Installation
This unit includes Garmin’s full networking suite, with NMEA 2000, ethernet, and J1939 ports. That means it integrates cleanly with Garmin autopilots, radar, and the OneHelm ecosystem. Flush-mount hardware is included, but the cutout template is bigger than the ECHOMAP series, so plan your dash layout before drilling.
2. Humminbird Helix 5 CHIRP GPS G3 – Best Value Dual-Spectrum Sonar
Humminbird Helix 5 G3 GPS Fish Finder with Transducer & Dual Spectrum Chirp Sonar
5-inch color TFT
Dual Spectrum CHIRP
Humminbird Basemap
AutoChart Live
Pros
- Dual Spectrum CHIRP sonar with Wide and Narrow modes
- Humminbird Basemap covers 10
- 000+ lakes and U.S. coastlines
- AutoChart Live creates custom depth maps as you boat
- Compatible with LakeMaster
- CoastMaster
- and Navionics cards
- Reliable keypad control works in any weather
Cons
- 5-inch screen feels cramped for split-pane viewing
- Keypad-only control
- no touchscreen
The Humminbird Helix 5 CHIRP GPS G3 is the chartplotter I recommend to anyone buying their first serious fishfinder or replacing a budget unit. At this price point you still get Dual Spectrum CHIRP sonar, a built-in basemap with 10,000-plus lakes, and AutoChart Live for real-time contour mapping. Humminbird has over 460 verified reviews on this model, and the 4.5-star average holds up under scrutiny.
On the water, the Dual Spectrum CHIRP sonar outperforms what I expected at this size. Wide Mode gives you maximum coverage area for locating fish, and Narrow Mode tightens the beam for detailed scanning on structure. The included XNT 9 HW T transom-mount transducer handles both modes without swapping hardware.
The compromises are honest ones. The 5-inch color TFT is bright but feels tight when you split the screen between sonar and chart. There is no touchscreen, so all navigation runs through softkey controls. For a small tiller boat, kayak, or jon boat, those trade-offs are easy to accept.
Chart Compatibility and Real-Time Mapping
The Humminbird Basemap covers inland lakes and continental U.S. coastlines out of the box. AutoChart Live records depth contours, bottom hardness, and vegetation as you drive, with eight hours of built-in recording. If you want premium charts, the unit reads LakeMaster, CoastMaster, and Navionics SD cards.
Mounting and Power Setup
The Helix 5 ships with a gimbal mounting bracket and transom-mount hardware for the transducer. Power comes from a corded electric source, so plan for a 12-volt battery or helm connection. The compact footprint fits consoles where a 9-inch unit would not, which is one reason this model dominates the small-boat segment.
3. Simrad GO9 XSE – Top Rated 9-Inch Multi-Function Display
Simrad GO9 XSE – 9-inch Chartplotter (No Transducer) with C-MAP Discover Chart Card
9-inch touchscreen MFD
C-MAP Discover included
Radar ready
NMEA 2000
Pros
- True multifunction display with GPS
- sonar
- radar
- and entertainment
- C-MAP DISCOVER chart card included for U.S. and Canada
- Plug-and-play radar support for Simrad radar domes
- NMEA 2000 connectivity for full system integration
- 2-year manufacturer warranty
Cons
- No transducer included
- sold separately
- Higher learning curve than keyed units
The Simrad GO9 XSE is the chartplotter I would put on my own boat if I wanted one display to run the entire helm. It is a genuine multi-function display, not just a fishfinder with a GPS bolted on. You get chartplotting, sonar support, radar integration, and even entertainment features through one 9-inch touchscreen.
C-MAP DISCOVER charts come included on a card, which is a real value when you consider that premium chart subscriptions usually cost extra. The charts include custom depth shading, tides and currents, and high-resolution bathymetric contours for U.S. and Canadian waters. Pair the GO9 with a Simrad radar dome and you have true collision-avoidance capability for coastal and offshore use.
The main catch is the price of entry for full sonar. The GO9 XSE does not ship with a transducer, so you need to budget for one if fish-finding matters to you. The capacitive touchscreen also has a learning curve if you are used to keyed Humminbird controls, but most users adjust within a few trips.
Radar and Autopilot Integration
The GO9 XSE supports plug-and-play connection to Simrad’s HALO and Doppler radar systems. It also drives Simrad autopilots through NMEA 2000, which is why this unit is popular on sportboats and smaller cruisers. If you already own Simrad instruments, this is the easiest upgrade path on the market.
Smartphone Mirroring and App Support
Built-in Wi-Fi lets you mirror the GO9 display to a smartphone or tablet anywhere on board. That means you can check charts from the cockpit, the cabin, or even the swim platform. NMEA 2000 connectivity adds integration options for engine data, fuel flow, and tank levels.
4. Garmin ECHOMAP UHD2 93sv – Best 9-Inch Touchscreen Under $1,300
Garmin ECHOMAP UHD2 93sv with GT56 Transducer, 9″ Touchscreen Chartplotter, Garmin Navionics+ U.S. Inland
9-inch touchscreen
GT56 transducer
ClearVu SideVu
Navionics+ inland
Pros
- GT56-TM transducer included for traditional
- ClearVu
- and SideVu sonar
- Built-in Garmin Navionics+ inland maps with 18
- 000+ lakes
- Wi-Fi sharing between compatible ECHOMAP UHD2 units
- Wireless connection to Force trolling motor
- Bright sunlight-readable touchscreen display
Cons
- Higher price than 7-inch ECHOMAP variants
- Larger footprint than keyed 9-inch units
The Garmin ECHOMAP UHD2 93sv is the chartplotter I install when a customer wants Garmin sonar, a real touchscreen, and inland mapping without paying GPSMAP prices. The included GT56-TM transducer covers traditional CHIRP, ClearVu, and SideVu scanning sonar, so the box is genuinely complete on day one.
On the water, the 9-inch touchscreen is the sweet spot between readable chart detail and dash space. Navionics+ inland maps are preloaded with 18,000-plus lakes and 1-foot contours, which is plenty for serious bass and walleye anglers. Built-in Wi-Fi lets you share waypoints, routes, and sonar data with another ECHOMAP UHD2 unit at the bow.
The wireless Force trolling motor integration is a quiet advantage. You can deploy, steer, and control speed directly from the 93sv display, which turns this into a real fishing command center. The trade-off is price, since this lands above the GO9 XSE in some sales.
Sonar Modes and Target Separation
The GT56 transducer supports high-frequency ClearVu and SideVu, which produces near-photographic bottom detail at ranges out to around 100 feet each side. Traditional CHIRP runs alongside for fish arching in deeper water. You can run multiple panes simultaneously without noticeable lag.
Mounting Options and Wi-Fi Sharing
Garmin includes tilt-swivel and flush-mount hardware, so you can choose how the unit sits at the helm. Wi-Fi sharing works between two ECHOMAP UHD2 units, which is popular on bass boats running bow and console displays. No external networking box is required.
5. Simrad GO9 with Transducer – All-in-One Fishfinder and Chartplotter
Simrad GO9 XSE Chartplotter and Fishfinder with 83/200 Transom Mount Transducer and C-MAP Discover Chart Card, 9 Inch Screen, Black, 000-16293-001
9-inch touchscreen
HDI transducer
C-MAP Discover
NMEA 2000
Pros
- HDI transducer included for CHIRP and DownScan Imaging
- C-MAP Discover card with vector charts and custom depth shading
- Built-in Wi-Fi and NMEA 2000 connectivity
- Mirror display to smartphone or tablet
- GPS navigation
- sonar
- and radar support in one unit
Cons
- Mid-range price still higher than Humminbird alternatives
- 2-year warranty but limited stock at times
The Simrad GO9 with transducer package solves the one complaint people have about the GO9 XSE. Instead of buying the display and transducer separately, you get the 83/200 kHz HDI transducer in the box. That means CHIRP sonar and DownScan Imaging are ready the day you install it.
This is the chartplotter I would choose for a sportboat or center-console where one unit handles everything. The 9-inch touchscreen runs C-MAP Discover charts with custom depth shading, tides, and currents. Built-in Wi-Fi and NMEA 2000 give you the same integration options as the pricier XSE variant.
The 4.4-star average across 129 reviews is slightly lower than the XSE, mostly because some users expect more chart detail from the included C-MAP card. Adding a premium C-MAP card or Navionics subscription unlocks the full feature set.
C-MAP Discover Chart Coverage
The included C-MAP Discover card covers U.S. and Canada waters with vector charts, custom depth shading, tides, and currents. For offshore, you may want to upgrade to C-MAP MAX-N+ for 3D data and high-resolution bathymetric contours.
Transducer and Sonar Performance
The HDI transducer blends CHIRP traditional sonar with DownScan Imaging in one housing. Target separation is solid for the price, though it does not match Garmin’s ClearVu or Humminbird’s Mega Imaging. For coastal anglers targeting bait balls and structure, the performance is more than adequate.
6. Lowrance Eagle Eye 9 – Live Sonar Without the LiveScope Price
Lowrance Eagle Eye 9 Live Sonar FishFinder/Chartplotter with Transom-Mount Transducer and Preloaded C-MAP Inland Charts, 9-inch IPS Screen, Black, 000-16129-001
9-inch IPS display
Live Forward and Live Down sonar
C-MAP Inland
Genesis Live
Pros
- Real-time Live Forward and Live Down sonar views
- Four sonar modes in one transducer
- Auto-tuning sonar eliminates manual adjustment
- Preloaded C-MAP Inland Charts for 17
- 000+ U.S. lakes
- 9-inch IPS display with wide viewing angles
Cons
- Live sonar range is shorter than premium Garmin LiveScope
- Genesis Live maps are basic compared to AutoChart Live
The Lowrance Eagle Eye 9 is the most exciting chartplotter in this price range for anglers who want live sonar without paying Garmin LiveScope prices. One transducer delivers Live Forward, Live Down, CHIRP, and DownScan Imaging modes, which is more versatility than anything else in this category.
The auto-tuning sonar is a real time-saver on the water. Instead of manually tweaking sensitivity and depth range, the Eagle Eye optimizes itself for the conditions. C-MAP Inland charts cover 17,000-plus U.S. lakes out of the box, and the 9-inch IPS display has wide viewing angles from any helm position.
The trade-off is range. Live Forward sonar on the Eagle Eye tops out shorter than LiveScope, so it is better for close-quarters structure fishing than scanning bait at 100 feet. With 209 verified reviews and a 4.6-star average, this is one of the best-chartplotters values on the market for serious anglers.
Live Sonar Versus Traditional Sonar
Live Forward shows fish swimming and reacting to your lure in real time, similar to Garmin LiveScope but at a lower price. Live Down gives you a live view directly beneath the boat. CHIRP and DownScan handle traditional fish-finding tasks when live views are not needed.
Custom Mapping with Genesis Live
Genesis Live lets you create custom contour maps as you boat. The feature works, but the results are basic compared to Humminbird’s AutoChart Live, which also tracks bottom hardness and vegetation. For most inland anglers, Genesis Live is a useful free bonus rather than a primary mapping tool.
7. Garmin ECHOMAP UHD2 73sv – Best 7-Inch Touchscreen with SideVu
Garmin ECHOMAP UHD2 73sv with GT54 Transducer, 7” Touchscreen Chartplotter, Garmin Navionics+ U.S. Inland
7-inch touchscreen
GT54 transducer
ClearVu SideVu
Navionics+ inland
Pros
- GT54-TM transducer included for traditional
- ClearVu
- and SideVu sonar
- Built-in Garmin Navionics+ inland maps with 18
- 000+ lakes
- Wi-Fi sharing with compatible ECHOMAP UHD2 chartplotters
- Wireless connection to Force trolling motor
- Bright sunlight-readable touchscreen
Cons
- 7-inch screen tight for split-pane sonar and chart views
- Only 35 reviews so far on this specific SKU
The Garmin ECHOMAP UHD2 73sv is the chartplotter I recommend when dash space rules out a 9-inch unit but you still want SideVu scanning sonar. The included GT54-TM transducer delivers traditional CHIRP, ClearVu, and SideVu modes in one package. Navionics+ inland maps come preloaded for 18,000-plus lakes.
The 7-inch touchscreen hits a sweet spot for bass boats, pontoons, and small center consoles. It is large enough to read at a glance but compact enough for tight helms. Wi-Fi sharing lets you push sonar and waypoints to a second ECHOMAP UHD2 unit at the bow, which is a popular setup for tournament anglers.
The 4.6-star average from 35 reviews is strong but the sample is small. The core feature set matches the larger 93sv, so you give up screen real estate, not capability. Force trolling motor integration works wirelessly, which is one of the cleanest upgrades in the Garmin ecosystem.
SideVu Range and Imaging Quality
The GT54 transducer delivers SideVu scanning out to around 100 feet per side at high frequency. Image quality is excellent for marking structure like brush piles and rock piles. CleaVu gives you near-photographic detail directly below the boat.
Trolling Motor Integration
Wireless connectivity to the Garmin Force trolling motor lets you control routes, waypoints, and speed from the display. For anglers who already own a Force motor, this unit is the natural helm partner.
8. Humminbird Helix 7 CHIRP GPS G4 – Mid-Size Keypad Workhorse
Humminbird Helix 7 G4 GPS Fish Finder with Transducer, Dual Spectrum Chirp Sonar & Side Imaging
7-inch keypad control
Dual Spectrum CHIRP
AutoChart Live
Includes battery
Pros
- Dual Spectrum CHIRP sonar with Wide and Narrow modes
- Humminbird Basemap with 10
- 000+ lakes and U.S. coastlines
- AutoChart Live for real-time contour mapping
- Reliable keypad control for any weather condition
- Bundle includes 7Ah AGM battery and charger
Cons
- Keypad only
- no touchscreen option
- Battery-powered
- may need frequent charging on long trips
The Humminbird Helix 7 CHIRP GPS G4 is the chartplotter I reach for when an angler wants keypad reliability in a 7-inch size class. The bundle even includes a 7Ah AGM battery and charger, which makes this a true portable setup for small boats, kayaks, or ice fishing.
Dual Spectrum CHIRP sonar delivers the same Wide and Narrow mode coverage as the Helix 5, but on a larger 7-inch display. The Humminbird Basemap covers 10,000-plus lakes and continental U.S. coastlines out of the box. AutoChart Live records depth contours, bottom hardness, and vegetation as you drive.
The keypad interface is the reason many anglers stay loyal to Humminbird. Touchscreens can struggle with wet hands and cold weather, but softkey controls work every time. The 4.6-star average across 160 reviews confirms this is one of the most consistent performers in the category.
Portable Battery Bundle and Use Cases
The included 7Ah AGM battery and shuttle bag make this the most portable chartplotter in the lineup. Kayak anglers, ice fishermen, and small-boat owners can carry the whole unit in one hand. Battery life depends on brightness and sonar load, so plan for recharges on full-day trips.
Chart Upgrades and Compatibility
The Helix 7 G4 reads LakeMaster, CoastMaster, and Navionics SD cards for premium chart detail. AutoChart Live is built in for custom mapping. The One-Boat Network compatibility also means it integrates with Minn Kota trolling motors and Cannon downriggers if you build out a full system.
9. Garmin Echomap UHD2 73cv – ClearVu on a 7-Inch Keyed Display
Garmin ECHOMAP UHD2 73CV Chartplotter/Fishfinder
7-inch keyed display
ClearVu sonar
Wi-Fi sharing
Navionics+ inland
Pros
- Bright 7-inch keyed display for direct sunlight
- Garmin CHIRP traditional and ClearVu scanning sonar
- Wi-Fi sharing between compatible chartplotters
- LakeVu g3 and BlueChart maps with Navionics data
- High-contrast vivid color palettes
Cons
- No SideVu scanning sonar
- Keypad only
- no touchscreen
The Garmin Echomap UHD2 73cv is the chartplotter I suggest for anglers who want ClearVu scanning sonar on a budget and do not need SideVu. The 7-inch keyed display is bright enough for direct sun and the keypad interface works in any weather. Navionics+ inland maps come preloaded with LakeVu g3 and BlueChart coverage.
The big difference from the 73sv is the absence of SideVu. You still get traditional CHIRP and ClearVu, which covers most close-quarters fishing needs. Wi-Fi sharing lets you push waypoints and sonar data to a second ECHOMAP UHD2 unit, which is useful for bow-and-console setups.
The 4.4-star average from 39 reviews is solid, and the lower price point versus the 73sv makes this a smart pick for budget-conscious Garmin fans. High-contrast vivid color palettes help fish arches stand out on the 7-inch screen.
ClearVu Sonar Performance
ClearVu uses high-frequency sonar to produce near-photographic images of structure and fish directly below the boat. It does not scan to the sides like SideVu, but it excels at marking brush, rocks, and bait in front of the transom.
Wi-Fi Sharing Between Units
Built-in Wi-Fi syncs waypoints, routes, and sonar settings between two compatible ECHOMAP UHD2 chartplotters. If you run a bow unit and a console unit, your data stays consistent without manual transfers.
10. Garmin Echomap UHD2 54cv – Compact 5-Inch with ClearVu Sonar
Garmin ECHOMAP UHD2 54CV Chartplotter/Fishfinder
5-inch keyed display
ClearVu sonar
Wi-Fi sharing
LakeVu BlueChart maps
Pros
- Bright 5-inch keyed display for small helms
- Garmin CHIRP traditional and ClearVu scanning sonars
- High-contrast vivid color palettes
- Wi-Fi connectivity between compatible chartplotters
- LakeVu g3 and BlueChart maps with Navionics data
Cons
- 5-inch screen tight for split-pane use
- No SideVu scanning sonar
The Garmin Echomap UHD2 54cv is the chartplotter I recommend for kayaks, jon boats, and small skiffs where a 5-inch display is the right size. The keyed interface is fast to learn, and the bright IPS-style screen holds up well in direct sun. The 4.5-star average from 64 reviews confirms the quality.
You get CHIRP traditional sonar and ClearVu scanning sonar in the same unit. Navionics+ data is built into LakeVu g3 and BlueChart maps, which covers inland lakes and U.S. coastal waters. Wi-Fi sharing lets you sync data with another ECHOMAP UHD2 chartplotter if you upgrade later.
The compromises are size-related. A 5-inch screen is tight for split-pane sonar and chart viewing, and there is no SideVu. For solo anglers who run one pane at a time, this is one of the best values in Garmin’s lineup.
Transducer and Included Hardware
The 54cv ships with the GT20-TM transducer, which handles traditional CHIRP and ClearVu sonar. The bail or flush mount hardware fits small helms, and the lightweight design works for portable battery-powered setups.
Mapping and Chart Coverage
LakeVu g3 covers U.S. inland lakes with 1-foot contours, and BlueChart maps add U.S. coastal waters. Navionics data is integrated, so you get a familiar chart presentation without a separate subscription.
11. Garmin GPSMAP 86Sci – Floating Handheld with inReach Satellite SOS
Garmin GPSMAP 86Sci, Floating Handheld GPS with Button Operation, Preloaded BlueChart G3 Coastal Charts And Inreach Satellite Communication capabilities, Stream Boat Data From Compatible Chartplotters
Floating handheld
BlueChart g3 coastal
inReach satellite SOS
3-inch sunlight display
Pros
- Water-resistant floating design with sunlight-visible 3-inch display
- Preloaded BlueChart g3 coastal charts for U.S. waters
- inReach satellite communication with two-way text messaging and SOS
- Streams boat data from compatible Garmin chartplotters
- Remote control for Garmin autopilot and Fusion marine products
Cons
- Small 3-inch screen limits chart detail
- High price for a handheld
The Garmin GPSMAP 86Sci is the handheld chartplotter I trust on every offshore trip. It floats, it has inReach satellite communication, and it streams live boat data from a compatible Garmin chartplotter at the helm. For dinghy explorations, kayak missions, or as a backup to a primary MFD, nothing else matches this combination.
The 3-inch display is sunlight-visible and readable even with wet polarized glasses. Preloaded BlueChart g3 coastal charts cover U.S. waters, and the inReach satellite service adds two-way text messaging and an interactive SOS to a 24/7 search and rescue monitoring center. That is real safety equipment, not just a chart viewer.
The 4.2-star average from 221 reviews reflects a few complaints about the small screen and the inReach subscription cost. For boaters who go offshore or into remote areas, the SOS capability alone justifies the price.
inReach Satellite Features
inReach uses the Iridium satellite network for two-way text messaging, interactive SOS, location sharing, and weather forecasts. An active satellite subscription is required, which adds an ongoing cost. For offshore and remote cruising, the safety value is hard to overstate.
Boat Data Streaming and Autopilot Remote
The 86Sci streams depth, speed, wind, and navigation data from a compatible Garmin chartplotter at the helm. It also works as a remote control for Garmin autopilots and Fusion marine audio products, so you can adjust course or music from anywhere on the boat.
12. Garmin GPSMAP 79sc – Affordable Floating Handheld Chartplotter
Garmin GPSMAP 79sc, Marine GPS Handheld Preloaded with BlueChart g3 Coastal Charts, Rugged Design and Floats in Water
Floating rugged design
BlueChart g3 coastal
3-axis compass
Multi-GNSS support
Pros
- Rugged
- floating
- IPX6 water-resistant handheld design
- Preloaded BlueChart g3 coastal charts
- Supports GPS
- GLONASS
- Galileo
- BeiDou
- and QZSS constellations
- Built-in 3-axis tilt-compensated compass and barometric altimeter
- 10
- 000 waypoint memory and 20-hour battery life
Cons
- Small screen
- no touchscreen
- 4.0-star rating reflects some durability complaints
The Garmin GPSMAP 79sc is the budget handheld chartplotter I recommend to kayakers, paddleboarders, and small-boat owners who want reliable GPS navigation without a $500-plus spend. It floats, it carries BlueChart g3 coastal charts, and the multi-satellite support keeps a fix in challenging terrain.
The IPX6 water resistance handles spray and rain without issue, and the ruggedized shell survives drops on deck. The 3-axis tilt-compensated compass works at any angle, which matters when you are holding the unit flat in a tippy kayak. Ten thousand waypoints and 250 routes are more than enough for any small-boat navigation need.
The 4.0-star average across 167 reviews is the lowest in this guide, mostly due to a small screen and a few reports of button wear over time. For the price, the chartplotting and GPS capability is excellent.
Chart Coverage and Waypoints
BlueChart g3 coastal charts cover U.S. waters with depth contours, navigation aids, and tidal data. The 10,000-waypoint memory is generous for a handheld, and 250-route capacity supports complex multi-leg trips.
Battery Life and Multi-GNSS Support
Battery life reaches 20 hours in GPS mode on a pair of AA batteries. Multi-GNSS support means the unit locks onto GPS, GLONASS, Galileo, BeiDou, and QZSS, which improves accuracy and acquisition time in tree cover and steep terrain.
Buying Guide – How to Choose the Best Chartplotter in 2026?
Picking the best chartplotter for your boat means matching the unit to how you actually use the water. The same model that dominates a bass boat feels cramped on a 35-foot cruiser. Below are the factors our team weighs every time we recommend a unit.
Screen Size and Display Type
Screen size is the single biggest decision after budget. Five-inch units like the Humminbird Helix 5 and Garmin Echomap UHD2 54cv are perfect for kayaks and small tiller boats. Seven-inch displays are the sweet spot for bass boats and pontoons. Nine-inch and larger screens belong on cruisers and offshore boats where multiple data panes run at once.
Display type matters as much as size. IPS panels, like the ones on the Garmin GPSMAP 943xsv and Lowrance Eagle Eye 9, offer wider viewing angles and better color accuracy than basic TFT. Sunlight readability is non-negotiable, so check the brightness rating before buying.
Chartplotter Versus MFD Versus Fishfinder
A chartplotter shows your boat on charts. A fishfinder shows fish and bottom structure. A multi-function display does both and adds radar, autopilot, and entertainment integration. The Simrad GO9 XSE and Garmin GPSMAP 943xsv are true MFDs. The Humminbird Helix series leans toward fishfinder-first with strong chartplotter capability. Choose based on which activity dominates your time on the water.
Sonar and Transducer Compatibility
CHIRP sonar is now the baseline, and every unit in this guide supports it. Beyond that, scanning sonar splits into down-scanning (ClearVu, DownScan) and side-scanning (SideVu, Side Imaging). Live sonar, like Lowrance Eagle Eye Live Forward and Garmin Panoptix LiveScope, shows fish movement in real time. Live sonar is the biggest innovation in the category, and the Eagle Eye 9 makes it accessible at a mid-tier price.
Transducer inclusion is a hidden cost. The Simrad GO9 XSE ships without a transducer, so you must budget extra. The Garmin ECHOMAP UHD2 93sv includes the GT56-TM, which is a real value. Always check what is in the box before comparing prices.
Chart Compatibility – Navionics, C-MAP, LakeMaster
The three big chart providers are Navionics (now owned by Garmin), C-MAP (used by Simrad and Lowrance), and LakeMaster (Humminbird exclusive). All three offer inland and coastal coverage, but each brand’s units work best with their own charts. Garmin displays run Navionics natively, Simrad and Lowrance favor C-MAP, and Humminbird leans into LakeMaster. Premium chart subscriptions add ongoing cost, which is a deal-breaker for some buyers.
NMEA 2000 and Connectivity
NMEA 2000 is the marine networking standard that connects chartplotters to engines, fuel flow sensors, tank level monitors, and autopilots. The Simrad GO9 XSE, GO9 with transducer, and Garmin GPSMAP 943xsv all support NMEA 2000 natively. If you plan to integrate engine data or an autopilot, NMEA 2000 is essential. Wi-Fi is increasingly common and supports smartphone mirroring, which is a quiet advantage of Simrad and Garmin units.
Mounting Considerations
Mounting is one of the most overlooked decision factors. Most fixed-mount chartplotters support flush-mount, gimbal-mount, and bracket-mount configurations. Measure your helm space before buying. Nine-inch units need a large flat surface or a custom cutout, while 5-inch and 7-inch units fit almost anywhere. The Humminbird Helix 7 G4 bundle includes a shuttle bag and battery for fully portable use, which is unique in this lineup.
Waterproof Ratings
Marine chartplotters are built to handle spray, but ratings vary. The Garmin GPSMAP 79sc carries an IPX6 rating, which handles powerful water jets. Fixed-mount units like the Simrad GO9 and Garmin GPSMAP 943xsv are rated for typical marine spray and rain but not full submersion. Handheld units are the only ones designed to survive a drop overboard, and even then, only the floating models like the GPSMAP 86Sci and 79sc are built for that scenario.
Brand Reliability and Ecosystem
Forum users on r/boating and r/sailing consistently recommend Garmin and Lowrance for reliability. Furuno earns praise for radar and build quality, and B&G is the go-to for serious racing. Brand ecosystem matters because mixing Garmin autopilots with Simrad displays creates integration headaches. Pick a brand and stick with it across your electronics.
FAQs
What is the best chartplotter for sailing?
For serious sailing, the Simrad GO9 XSE and Garmin GPSMAP 943xsv are the top picks because both offer true multi-function capability with radar, autopilot, and NMEA 2000 integration. Racers and cruisers benefit from the wide chart compatibility, layline and routing features, and the ability to mirror the display to a tablet anywhere on deck.
What is the best chartplotter for small boats?
The Humminbird Helix 5 CHIRP GPS G3 and Garmin Echomap UHD2 54cv are the best chartplotters for small boats. Both fit compact helms, ship with a transducer, and offer CHIRP sonar plus basemaps for under $500. The Humminbird Helix 7 CHIRP GPS G4 bundle is even better if you want a portable battery-powered setup for a kayak or jon boat.
What is the best marine GPS chartplotter?
The Garmin GPSMAP 943xsv is the best marine GPS chartplotter overall, with a 4.8-star rating, ultra high-definition scanning sonar, Panoptix live sonar support, and preloaded Navionics+ charts. The Simrad GO9 XSE is the top alternative if you prefer C-MAP charts and plug-and-play radar integration.
Which chartplotter brand is most reliable?
Garmin and Lowrance are the brands most often recommended by boaters on forums like r/boating and r/sailing for long-term reliability. Furuno earns respect for radar and build quality, Bu0026amp;G dominates racing, and Humminbird is the value leader for fishing-focused units. Choosing one brand and staying within its ecosystem avoids the most common integration problems.
How much does a good chartplotter cost?
A good chartplotter costs between $310 and $1,600 in 2026. Budget handhelds like the Garmin GPSMAP 79sc start around $315, mid-range 7-inch fishfinder-chartplotters like the Humminbird Helix 7 G4 run near $465, and flagship 9-inch MFDs like the Garmin GPSMAP 943xsv and Simrad GO9 XSE sit between $1,000 and $1,600. Plan to spend another $100 to $400 on a transducer if the unit does not include one.
Final Thoughts on the Best Chartplotters for 2026
The best chartplotters in 2026 cover an enormous range of boats, budgets, and use cases. The Garmin GPSMAP 943xsv leads the pack for anglers and cruisers who want every Garmin sonar mode in one display. The Humminbird Helix 5 CHIRP GPS G3 wins on value, and the Simrad GO9 XSE is the strongest all-around multi-function display for boaters building a fully integrated helm.
Pick based on your boat size, your primary activity on the water, and the brand ecosystem you want to commit to. Spending a few hours matching those three factors against the table above will save you money and prevent installation headaches for years to come.