10 Best Chartplotters in 2026

Find the right chartplotter for 2026. We compare 10 standout options by the factors that genuinely matter on the water: display size and resolution, preloaded chart coverage, sonar capabilities including CHIRP and SideVü, GPS accuracy, connectivity options, transducer compatibility, weather resistance, and the practical trade-offs between screen real estate and portability for different boat sizes and use cases.

Chartplotters range from compact 5-inch displays to premium 12-inch multifunction systems. The biggest differences are in screen dimensions, preloaded chart regions, sonar technology, and whether they include transducers or support radar. Some models focus on pure navigation, while others integrate fish-finding, radar, and mobile connectivity into all-in-one units.

This guide breaks down each option by use case, from small fishing boats and kayaks to large cruisers and offshore vessels. Use the comparison table and detailed reviews to match display size, mapping coverage, sonar features, and connectivity to your actual boating needs, fishing style, and budget.

How we chose

We compared 10 chartplotters using the details that actually help a buyer decide: display size and resolution, preloaded chart coverage, sonar capabilities including CHIRP, ClearVü, and SideVü, GPS accuracy and refresh rate, transducer compatibility and included accessories, connectivity options, weather resistance, power requirements, ease of use, and value. The notes focus on practical trade-offs so each pick connects to how boaters actually use chartplotters for navigation, fishing, and safety on lakes, rivers, and coastal waters.

10 Best Chartplotters in 2026: Our Top 3 Picks

Best value

Simrad GO Chartplotter

9.0Editor score

9-inch multifunction display

C-MAP Discover charts

HDI transducer included

Built-in GPS/Wi-Fi

Check price

Editor's choice

Garmin GPSMAP 743xsv

10.0Editor score

7-inch display

SideVü ClearVü CHIRP

Panoptix sonar support

Navionics+ preloaded

Check price

Premium pick

Garmin ECHOMAP UHD2

9.8Editor score

7-inch touchscreen display

GT54 transducer included

Garmin Navionics+ charts

Wi-Fi connectivity

Check price

10 Best Chartplotters Compared at a Glance

Compare key features, scores, and current prices side by side. A shorter feature list means fewer details were available, not necessarily fewer capabilities.

ProductsSpecificationsEditor scorePrice

1

Editor's choice

Garmin GPSMAP 743xsv

7-inch display

SideVü ClearVü CHIRP

Panoptix sonar support

Navionics+ preloaded

10.0

Check price

2

Premium pick

Garmin ECHOMAP UHD2 74sv

7-inch touchscreen display

GT54 transducer included

Garmin Navionics+ charts

Wi-Fi connectivity

9.8

Check price

3

Garmin ECHOMAP Ultra 2 126sv

12-inch display

Garmin Navionics+

Multi-band GPS

Screen recording

9.8

Check price

4

Simrad GO9 XSE

9-inch multifunction display

C-MAP Discover charts

Radar ready

NMEA 2000 connectivity

9.4

Check price

5

Best value

Simrad GO Chartplotter

9-inch multifunction display

C-MAP Discover charts

HDI transducer included

Built-in GPS/Wi-Fi

9.0

Check price

6

Garmin ECHOMAP UHD2 53CV

5-inch color display

CHIRP ClearVü sonar

Navionics+ U.S. Inland

Wi-Fi sharing

9.0

Check price

7

Garmin GPSMAP 1022

10.1-inch display

Worldwide basemap

2 SD card slots

1024×600 resolution

9.0

Check price

8

Garmin ECHOMAP UHD2 54CV

5-inch keyed display

CHIRP ClearVü sonar

LakeVü g3 maps

Wi-Fi sharing

8.8

Check price

9

Garmin ECHOMAP UHD2 73CV

7-inch keyed display

CHIRP ClearVü sonar

LakeVü g3 maps

Wi-Fi sharing

8.6

Check price

10

Garmin ECHOMAP UHD2 54CV (No Transducer)

5-inch display

US Coastal Maps

Wi-Fi connectivity

No transducer included

8.0

Check price

In-depth reviews

Buying Guides

The best chartplotter for you depends on your boat size, typical fishing or cruising areas, budget, and what features matter most for your style of boating. This section breaks down the key factors to help you make an informed decision.

Display Size and Resolution

Display size is one of the most important considerations, as it directly affects how much information you can view at once and how easily you can read it. Chartplotters in this comparison range from 5-inch compact displays to 12-inch premium units. Larger displays like the Garmin ECHOMAP Ultra 2 126sv and GPSMAP 1022 provide more screen real estate for viewing detailed charts, sonar images, and other data simultaneously, but they also require more helm space and come with higher price tags.

Resolution also matters, especially for larger displays. Higher resolution screens like the 1024×600 on the GPSMAP 1022 provide crisper, clearer images that are easier to read in various lighting conditions. Touchscreen displays like the ECHOMAP UHD2 74sv offer intuitive operation but may be harder to use in rough conditions or when wearing gloves. Keyed displays like those on the ECHOMAP UHD2 54CV and 73CV provide tactile feedback that many boaters prefer for reliability in challenging conditions.

Choose a display size based on your available helm space and how you plan to use the chartplotter. Larger boats with ample space benefit from bigger displays, while smaller boats and secondary displays are better served by compact units.

Chart Coverage and Preloaded Maps

Preloaded chart coverage varies significantly between models and is one of the most important factors for navigation. Some chartplotters come with comprehensive preloaded maps, while others include only a basic worldwide basemap that requires you to purchase additional charts. The Garmin ECHOMAP models typically include Navionics+ charts for specific regions, with the UHD2 74sv including coastal charts and the 53CV including inland mapping.

C-MAP DISCOVER charts, included with the Simrad GO models, provide full-featured vector charts with custom depth shading, tides and currents, and high-resolution bathymetric contours. The Garmin GPSMAP 1022 includes a worldwide basemap but requires you to purchase detailed charts separately via SD cards. Consider the waters you typically navigate and ensure your chartplotter has appropriate coverage for those areas.

For most boaters, having preloaded charts for your primary operating area is the most practical approach. If you travel to different regions, look for models with expandable chart capabilities or dual SD card slots like the GPSMAP 1022.

Sonar Capabilities and Fish-Finding Features

Sonar capabilities are crucial for anglers and can vary from basic fish-finding to advanced imaging systems. Traditional CHIRP sonar provides excellent fish detection and depth information. ClearVü and SideVü scanning sonars, found on models like the Garmin ECHOMAP UHD2 series, provide detailed downward and side images of underwater structure and fish. The Garmin GPSMAP 743xsv includes all three: traditional CHIRP, ClearVü, and SideVü, plus Panoptix sonar support for real-time 3D imaging.

UHD2 (Ultra High Definition) sonar, available on the ECHOMAP UHD2 models, provides significantly clearer and more detailed images than standard CHIRP. This enhanced resolution makes it easier to distinguish between fish, bait, and structure. The Simrad GO models include HDI (High Definition Imaging) transducers that support CHIRP and DownScan Imaging. Consider your fishing style and the type of water you typically fish when choosing sonar capabilities.

If fish-finding is a priority, prioritize models with advanced sonar features. For pure navigation, basic sonar may be sufficient. The ability to add different types of sonar can also be a consideration if you plan to upgrade your system later.

GPS Accuracy and Performance

GPS accuracy affects how precisely your chartplotter can determine your position, which is crucial for navigation, marking waypoints, and returning to productive fishing spots. Most modern chartplotters use high-sensitivity GPS receivers, but some models offer enhanced accuracy through multi-band GPS technology. The Garmin ECHOMAP Ultra 2 126sv features multi-band GPS for improved position accuracy, which can be particularly valuable in challenging conditions or when precise navigation is required.

GPS performance also affects how quickly your chartplotter can acquire a signal and maintain it in difficult conditions. Models with better GPS receivers typically provide more consistent performance, especially in areas with poor satellite visibility or when moving at high speeds. For most recreational boaters, standard GPS is sufficient, but serious navigators and offshore anglers may benefit from enhanced GPS capabilities.

Consider the type of boating you do. For coastal and offshore navigation, prioritize models with enhanced GPS accuracy. For inland fishing and casual use, standard GPS is usually adequate.

Transducer Compatibility and Inclusions

The transducer is the underwater sensor that sends and receives sonar signals, and it is just as important as the chartplotter itself for fish-finding performance. Some chartplotters come with included transducers, while others require you to purchase one separately. The Garmin ECHOMAP UHD2 74sv includes a GT54 transducer that supports traditional, ClearVü, and SideVü sonars. The Simrad GO Chartplotter includes an 83/200 kHz HDI transducer with CHIRP and DownScan Imaging.

When a transducer is not included, as with the Garmin ECHOMAP UHD2 54CV (No Transducer) and Simrad GO9 XSE, you have the flexibility to choose a transducer that matches your specific needs and fishing style. This can be an advantage if you already have compatible equipment or want to customize your setup. However, it also means additional cost and the need to ensure compatibility between the transducer and chartplotter.

Consider the type of fishing you do and the waters you typically navigate when choosing a transducer. Different transducers are optimized for different applications, from shallow water fishing to deep water offshore use.

Connectivity Options and Integration

Connectivity options determine how your chartplotter can integrate with other devices and systems. Wi-Fi connectivity, available on most Garmin and Simrad models, allows for wireless sharing of sonar data, waypoints, and routes between compatible chartplotters. This is particularly useful for boats with multiple displays or for sharing information with fishing partners. The Garmin ECHOMAP UHD2 series can also connect to Force trolling motors for integrated control.

NMEA 2000 connectivity, found on the Simrad GO models, allows for seamless integration with other marine electronics like radar, autopilot systems, and engine monitors. Some models like the Garmin GPSMAP 1022 include multiple Garmin Marine Network ports for comprehensive system integration. Mobile connectivity allows you to mirror your display to a smartphone or tablet, as with the Simrad GO Chartplotter and GO9 XSE.

Consider what other electronics you have or plan to add to your boat. For comprehensive integration, prioritize models with multiple connectivity options. For simple setups, basic connectivity may be sufficient.

Weather Resistance and Durability

Marine environments are harsh, with exposure to saltwater, UV rays, temperature extremes, and vibration. Weather resistance and durability are crucial for ensuring your chartplotter can withstand these conditions. Most chartplotters in this comparison are designed for marine use with water-resistant construction, but the level of protection can vary.

Look for models with robust construction and marine-grade materials. The Garmin GPSMAP series is known for its durable construction and reliable performance in challenging conditions. The Simrad GO models also feature marine-grade construction designed for the demands of boating. For offshore use or exposed installations, prioritize models with the highest level of weather protection.

Consider where you will mount your chartplotter and the conditions it will be exposed to. For protected installations, standard marine construction is usually sufficient. For exposed or offshore use, prioritize the most durable models available.

Power Requirements and Installation

Power requirements vary between chartplotters and affect how and where you can install them. Most chartplotters in this comparison are designed for 12V DC power, which is standard for marine electrical systems. Some models like the Garmin GPSMAP 1022 and ECHOMAP Ultra 2 126sv are larger and may have higher power demands. The Simrad GO Chartplotter and GO9 XSE are designed for typical 12V marine power systems.

Installation considerations include the physical size of the unit, mounting options, and cable routing. Larger displays like the 12-inch ECHOMAP Ultra 2 require more space and careful planning for installation. Compact models like the 5-inch ECHOMAP UHD2 53CV and 54CV are easier to install in tight spaces. Consider your available helm space and the complexity of installation when choosing a chartplotter.

For most boats, standard 12V installation is straightforward. For larger vessels or complex setups, you may need professional installation. Always ensure your electrical system can handle the power requirements of your chartplotter and any connected accessories.

Ease of Use and Interface

Ease of use is an important consideration, especially for boaters who may need to operate their chartplotter in challenging conditions. Touchscreen displays like the Garmin ECHOMAP UHD2 74sv provide intuitive operation that many users find easy to navigate. However, touchscreens can be more difficult to use in rough conditions, when wearing gloves, or in wet environments. Keyed displays like those on the ECHOMAP UHD2 54CV and 73CV provide tactile feedback and may be easier to use in these situations.

Interface design also affects ease of use. Models with well-organized menus, clear labeling, and intuitive controls are generally easier to operate. The Garmin ECHOMAP series is known for its user-friendly interface, while the Simrad GO models offer a different approach that some users may prefer. Consider your personal preferences and how you typically use electronic devices when choosing an interface.

For most boaters, ease of use becomes more important with more complex features. If you plan to use advanced sonar, radar, or other capabilities, prioritize models with interfaces that you find intuitive and easy to navigate.

Brand Reputation and Support

Brand reputation and customer support can be important considerations, especially for complex electronics like chartplotters. Garmin and Simrad are two of the most respected brands in marine electronics, known for their quality, reliability, and comprehensive support networks. Garmin has a long history in GPS and marine technology, while Simrad (owned by Navico, which also owns Garmin) is known for its professional-grade marine electronics.

Both brands offer regular software updates, comprehensive documentation, and responsive customer support. They also have extensive dealer networks for sales and service. The choice between Garmin and Simrad often comes down to personal preference, specific feature requirements, and compatibility with other equipment on your boat. Some boaters prefer to stick with one brand for seamless integration between devices.

Consider the brand’s reputation for quality and support in your area. For most boaters, either Garmin or Simrad will provide excellent performance and reliability, but the specific models and features may influence your decision.

Using and Caring for Your Chartplotter

Start by carefully planning your installation location. Choose a spot on your helm that provides good visibility, is protected from the elements as much as possible, and allows for easy operation while underway. Ensure there is adequate space for the display and any connected accessories like transducers or antennas. For flush-mounted displays, measure carefully and use appropriate mounting hardware to ensure a secure and waterproof installation.

Once installed, power up your chartplotter and familiarize yourself with the basic functions. Calibrate the compass if applicable, set up your user profile, and configure basic settings like units of measure and display preferences. If your chartplotter includes sonar, install the transducer according to the manufacturer’s instructions, typically mounted on the transom or through-hull, and ensure it is properly aligned for optimal performance. Check that your GPS is acquiring a signal and that your position is accurate on the chart.

Regular maintenance includes cleaning the display with a soft, damp cloth and mild soap, checking all connections for corrosion or damage, and ensuring the transducer is free of marine growth. Update your chart data periodically to ensure you have the most current information. For best performance, keep your software up to date with the latest firmware from the manufacturer. Before each trip, verify that all systems are functioning properly, including GPS, sonar, and any connected accessories.

Common questions

What is a chartplotter?

A chartplotter is a marine navigation device that combines GPS positioning with electronic charting to display your boat's location on a digital map. Modern chartplotters also typically include additional features like sonar for fish-finding, radar integration, and connectivity with other marine electronics. They provide real-time position, speed, course, and depth information, and allow you to create and follow routes, mark waypoints, and navigate safely to your destination.

Do I need a chartplotter if I have a smartphone with GPS?

While smartphone GPS can provide basic positioning, dedicated chartplotters offer several advantages for marine use. They have larger, sunlight-readable displays that are easier to view in bright conditions. They include specialized marine charts with detailed depth information, navigation aids, and other data crucial for safe boating. Chartplotters are also water-resistant, have better GPS accuracy, and can integrate with other marine electronics like sonar and radar. For serious boating and fishing, a dedicated chartplotter is far superior to a smartphone.

What is the difference between CHIRP, ClearVü, and SideVü sonar?

CHIRP (Compressed High-Intensity Radar Pulse) sonar uses a continuous sweep of frequencies to create a more detailed and accurate image of what is beneath your boat compared to traditional sonar. ClearVü is a type of CHIRP sonar that provides near-photographic downward images, making it easier to identify fish, structure, and bottom composition. SideVü uses CHIRP technology to create detailed images of what is to the sides of your boat, allowing you to see a wider area and locate fish and structure off to the sides. Some models like the Garmin GPSMAP 743xsv include all three types for comprehensive underwater imaging.

How do I choose the right display size for my boat?

The right display size depends on your boat size, available helm space, and how you plan to use the chartplotter. For small boats like kayaks, jon boats, or small fishing boats, a 5-inch display like the Garmin ECHOMAP UHD2 53CV or 54CV is usually sufficient. For mid-size boats (16-24 feet), a 7-inch display like the ECHOMAP UHD2 73CV or 74sv provides a good balance of visibility and space efficiency. For larger boats (25+ feet) or complex navigation needs, consider 9-inch, 10-inch, or 12-inch displays like the Simrad GO9 XSE, Garmin GPSMAP 1022, or ECHOMAP Ultra 2 126sv for maximum visibility and functionality.

What are the benefits of preloaded charts?

Preloaded charts provide immediate access to detailed navigation data without the need to purchase and load additional charts separately. This saves time and ensures you have appropriate coverage for your primary boating areas from the start. Preloaded charts typically include information about depth contours, navigation aids, hazards, and other crucial data for safe navigation. Different models come with different chart regions preloaded, so choose a chartplotter with coverage that matches your typical boating areas.

Can I use a chartplotter for fishing?

Absolutely. In fact, many boaters use their chartplotters primarily for fishing. Modern chartplotters with sonar capabilities can help you locate fish, identify underwater structure, and find productive fishing spots. Features like CHIRP, ClearVü, and SideVü sonar provide detailed images of what is beneath and around your boat. Some models can even identify specific types of fish based on their sonar signatures. The ability to mark waypoints, create routes, and track your position also helps you return to productive spots and navigate to new fishing locations.

How do I update the charts on my chartplotter?

Chart updates vary by brand and model. Garmin chartplotters typically allow you to update charts via SD card or through the Garmin ActiveCaptain app. Simrad chartplotters can be updated through the C-MAP website or via compatible software. Some models support wireless updates through Wi-Fi connectivity. Regular chart updates ensure you have the most current information about depth contours, navigation aids, and other important data. Check your chartplotter's manual for specific update procedures and recommended update frequency.

What is the difference between Garmin and Simrad chartplotters?

Garmin and Simrad are both leading brands in marine electronics, but they have different approaches and strengths. Garmin chartplotters are known for their user-friendly interfaces, extensive feature sets, and strong integration with other Garmin products. Simrad chartplotters often focus on professional-grade performance and multifunction capabilities, with strong integration with other Simrad and Navico products. Both brands offer high-quality, reliable chartplotters, and the choice often comes down to personal preference, specific feature requirements, and compatibility with existing equipment on your boat.

Do I need a transducer with my chartplotter?

If you want sonar capabilities for fish-finding and depth measurement, yes, you will need a transducer. Some chartplotters come with included transducers, while others require you to purchase one separately. The type of transducer you need depends on your chartplotter model and the type of sonar you want to use. CHIRP transducers are the most common and versatile, while specialized transducers are available for specific applications like SideVü or DownVü imaging. Always ensure compatibility between your chartplotter and transducer.

How do I install a chartplotter on my boat?

Chartplotter installation typically involves mounting the display unit on your helm, connecting it to a power source (usually 12V DC), and installing any accessories like transducers or antennas. Display mounting options include flush mount, bracket mount, or surface mount, depending on your boat and preferences. The transducer is usually mounted on the transom or through-hull for optimal sonar performance. For best results, follow the manufacturer's installation instructions carefully, and consider professional installation for complex setups or if you are not comfortable with electrical work.

Final verdict

Final Thoughts on These Chartplotters

The Garmin ECHOMAP Ultra 2 126sv earns the top overall spot for its combination of a massive 12-inch display, multi-band GPS for improved accuracy, screen recording capability, and comprehensive chart coverage. For boaters who want the largest, most capable chartplotter with premium features for navigation, fishing, and system integration, it provides an exceptional user experience that justifies its higher price point. The ability to share data wirelessly and capture screen recordings adds practical value for serious anglers and navigators.

Buyers with different priorities have strong alternatives. The Simrad GO Chartplotter is the best choice for boaters who want multifunction capability with radar and sonar options in a more compact package. The Garmin ECHOMAP UHD2 53CV offers the best value for budget-conscious buyers who want Garmin quality and essential features. The Garmin GPSMAP 743xsv is ideal for serious anglers who prioritize advanced sonar capabilities, while the GPSMAP 1022 provides the best option for large vessels needing a big display with expansion capabilities.

Start by considering your boat size, typical boating areas, and budget. Then match display size, chart coverage, sonar features, and connectivity to your actual needs. For small boats and inland fishing, a compact 5-inch or 7-inch model with basic sonar may be sufficient. For larger vessels and offshore use, prioritize larger displays with advanced sonar, comprehensive charts, and robust integration capabilities. With the right chartplotter, you can navigate with confidence, find more fish, and make the most of your time on the water.