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Marine Navigation & Instruments

Build a Marine Navigation System That Works Together

Shop marine navigation equipment and instruments for route planning, vessel data, sonar, radar, autopilot, and situational awareness. Start with the boat, operating area, display location, existing equipment, and the decisions you need the system to support.

What to Confirm Before Ordering

  • Display and controls: Check screen size, dash cutout, mounting clearance, sunlight visibility, and whether touch, keypad, or hybrid control fits the helm.
  • Charts and region: Confirm the included chart coverage, update method, and compatibility with the waters you operate in.
  • Sonar and transducer: Match connector, frequency, sonar technology, mounting style, hull material, deadrise, depth, and speed requirements.
  • Networking: Verify NMEA 2000, NMEA 0183, Ethernet, Wi-Fi, Bluetooth, and brand-specific ports across every device.
  • Power and installation: Review voltage, current draw, breaker or fuse size, cable routing, waterproofing, grounding, and installation instructions.

Plan the Complete Onboard System

A chartplotter or instrument rarely works alone. Plan charts, sensors, transducers, antennas, network backbones, cables, mounts, and software together. Related equipment is available in Marine Cartography, Marine Communication, Marine Electrical, and Marine Safety.

Compatibility can depend on exact model numbers, connector generations, software versions, and included accessories. Do not assume two products work together because they share a brand or network name. Follow manufacturer documentation and use a qualified marine electronics installer for safety-critical, high-current, radar, autopilot, or through-hull work.

Marine Navigation Buying Questions

Can I mix marine-electronics brands?

Sometimes. Standard networks can share certain data, but sonar, radar, charts, autopilot functions, and advanced features may require specific brands, interfaces, or software. Verify each function you expect to use.

What information should I provide for compatibility help?

Provide the boat type and year, operating area, exact existing model numbers, transducer or sensor model, network type, available helm space, power system, and the features you want.

What else may be required?

Depending on the system, you may need charts, a transducer, mounting hardware, power and network cables, a NMEA 2000 starter kit, heading sensor, antenna, interface module, or professional calibration.

Need help planning the system? Contact MarineWaze with your boat and existing-equipment details before ordering.

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  • Davis Rudder Position Indicator [385]
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    Davis Rudder Position Indicator [385]

    Davis Instruments

    MSRP: $39.99
    $34.99
    Rudder Position IndicatorAwareness of the rudder angle is an important safety factor. This is especially true while moving in and out of your berth, drawing alongside another boat, picking up a...
    MSRP: $39.99
    $34.99
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    MSRP: $39.99
    $34.99
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  • Garmin GRF 10 Extension Cable - 15M [010-11829-02]
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    Garmin GRF 10 Extension Cable - 15M [010-11829-02]

    Garmin

    MSRP: $69.99
    $67.99
    GRFâ„¢ 10 Extension Cable (15M)Help your GRF 10 rudder feedback sensor reach your GHP 12â„¢ or GHP 20 by adding 15M to your cable.WARNING: This product can expose you to chemicals which are known to the...
    MSRP: $69.99
    $67.99
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    MSRP: $69.99
    $67.99
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  • Garmin GRF 10 Extension Cable - 5M [010-11829-01]
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    Garmin GRF 10 Extension Cable - 5M [010-11829-01]

    Garmin

    MSRP: $39.99
    $37.99
    GRFâ„¢ 10 Extension Cable (5m)Help your GRF 10 rudder feedback sensor reach your GHP 12â„¢ or GHP 20 by adding 5m to your cable.WARNING: This product can expose you to chemicals which are known to the...
    MSRP: $39.99
    $37.99
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    MSRP: $39.99
    $37.99
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  • Garmin GRF 10 Rudder Feedback Sensor [010-11829-00]
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    Garmin GRF 10 Rudder Feedback Sensor [010-11829-00]

    Garmin

    MSRP: $299.99
    $252.99
    GRFâ„¢ 10 - Rudder Feedback SensorCompatible DevicesPair this sensor with the GHP 12â„¢ to provide rudder position feedback and to detect and avoid rudder stops while sailing or boating.The GRF 10 uses...
    MSRP: $299.99
    $252.99
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    MSRP: $299.99
    $252.99
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  • Raymarine A80159 RayNet to RJ45 Male Cable - 10M
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    Raymarine A80159 RayNet to RJ45 Male Cable - 10M

    Raymarine

    MSRP: $144.99
    $140.99
    RayNet to RJ45 Male Cable - 10MPart #: A80159RayNet network cables are for connecting the Digital Sounder Module (DSM) sonar, SR100 Sirius Weather Receiver and additional compatible Raymarine...
    MSRP: $144.99
    $140.99
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    $140.99
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  • SI-TEX Inboard Rotary Rudder Feedback w/50' Cable - does not include    linkage [20330008]
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    SI-TEX Inboard Rotary Rudder Feedback w/50' Cable - does not include linkage [20330008]

    SI-TEX

    MSRP: $900.00
    $684.99
    Inboard Rotary FeedbackThe SI-TEX Inboard Rotary Feedback, provides the Autopilot with information about the physical position of the rudder. This is necessary to provide optimum steering...
    MSRP: $900.00
    $684.99
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    MSRP: $900.00
    $684.99
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  • Furuno PG700 Heading Sensor NMEA 2000 [PG700]
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    Furuno PG700 Heading Sensor NMEA 2000 [PG700]

    Furuno

    MSRP: $795.00
    $699.99
    PG700 Integrated Heading Sensor, NMEA2000The PG-700 is a rate compensated heading sensor that incorporates innovative electromagnetic compass technology for highly accurate and stable readouts of...
    MSRP: $795.00
    $699.99
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    MSRP: $795.00
    $699.99
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  • Raymarine ITC-5 Analog to Digital Transducer Converter - Seatalkng [E70010]
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    Raymarine ITC-5 Analog to Digital Transducer Converter - Seatalkng [E70010]

    Raymarine

    MSRP: $369.99
    $335.99
    iTC-5 Instrument Transducer ConverterThe iTC5 Instrument Transducer Converter enables the use of common analog transducer signals with new digital instrument displays like Raymarine's i70 and ST70...
    MSRP: $369.99
    $335.99
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    MSRP: $369.99
    $335.99
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  • Raymarine RayNet to RJ45 Male Cable - 3m [A80151]
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    Raymarine RayNet to RJ45 Male Cable - 3m [A80151]

    Raymarine

    $89.99
    RayNet (female) to RJ45 Male Cable - 3mRayNet network cables are for connecting the Digital Sounder Module (DSM) sonar, SR100 Sirius Weather Receiver and additional compatible Raymarine...
    $89.99
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    $89.99
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  • Raymarine Verado Hydraulic Hose Kit [A18127]
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    Raymarine Verado Hydraulic Hose Kit [A18127]

    Raymarine

    MSRP: $499.99
    $459.99
    Verado Hydraulic Hose KitThe Verado Hydraulic Hose Kit is a kit specifically designed for installing a SmartPilot Autopilot System on Mercury Verado Engines.
    MSRP: $499.99
    $459.99
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    MSRP: $499.99
    $459.99
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  • Garmin Replacement Transducer Bracket f/Plastic TM Transducer w/Depth & Temp [K00-00118-01]
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    Garmin Replacement Transducer Bracket f/Plastic TM Transducer w/Depth & Temp [K00-00118-01]

    Garmin

    MSRP: $20.91
    $17.99
    Replacement Transducer Bracket for Plastic Transom Mount Transducer with Depth & TempThis replacement Transducer Bracket is for the plastic transom mount that can be used to replace the dual...
    MSRP: $20.91
    $17.99
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    MSRP: $20.91
    $17.99
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