Marine Navigation & Instruments

Explore a wide range of accessories and advanced navigation equipment, from AIS systems, autopilots, to black box modules and marine cameras, including night vision and network video options. Enhance your vessel's capabilities with cutting-edge instruments like GPS chartplotters, fishfinder combos, radars, transducers, and more. Whether you're seeking to navigate with accuracy, monitor essential data, or enhance your situational awareness, our selection of marine instruments ensures a smooth and informed maritime experience. #ExploreGear | #ExploreMore

All (1477)
Accessories (499)
AIS Systems (45)
Autopilots (120)
Black Box Modules (0)
Cameras & Night Vision (25)
Cameras - Network Video (49)
Clocks & Barometers (1)
Compasses (86)
Fishfinder Only (31)
Gauge Accessories (353)
Gauges (444)
GPS - Chartplotters (15)
GPS - Fishfinder Combos (90)
GPS - Track Plotter (1)
Instruments (93)
Marine Monitors (1)
Network Cables & Modules (54)
NMEA Cables & Sensors (253)
Radars (24)
Sounder/Sonar Modules (8)
Transducer Accessories (154)
Transducers (333)
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  • Octopus Rudder Feed Back Potentiometer Module - Coursemaster & Simrad Octopus Autopilot Drives 278.99 Explore Gear
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    Octopus Autopilot Drives

    Octopus Rudder Feed Back Potentiometer Module - Coursemaster & Simrad

    Integrated Rudder Feedback UnitsOC15SUK27DTypically one of the most complex and time consuming aspects of autopilot installation is fitting the rudder feedback unit and ensuring that the geometry matches the full range of rudder movement. The solution...

    MSRP: $314.65
    $272.99
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  • Octopus Type S Straight Shaft f/Mounting Behind the Dash f/Mechanical Drive Systems - Includes 90 Degree Bezel Kit Octopus Autopilot Drives 1048.99 Explore Gear
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    Octopus Autopilot Drives

    Octopus Type S Straight Shaft f/Mounting Behind the Dash f/Mechanical Drive Systems - Includes 90 Degree Bezel Kit

    Type S - Standard Straight Shaft f/Mounting Behind the DashThe Straight shaft drive unit replaces the manual drive used on cable steered boats and is mounted directly behind the dash. The drive is directly compatible with the Morse 290 steering helm but...

    MSRP: $1,183.55
    $1,026.99
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  • Maretron BHW100 Bilge High Water Detector Maretron 61 Explore Gear
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    Maretron

    Maretron BHW100 Bilge High Water Detector

    Bilge High Water DetectorPart #: BHW100Used with SIM100 Switch Indicator Module to detect high bilge water.WARNING: This product can expose you to chemicals including NICKEL (METALLIC) which is known to the State of California to cause cancer. For more...

    $61.00
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  • Raymarine RayNet to RJ45 Male Cable - 1m Raymarine 74.99 Explore Gear
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    Raymarine

    Raymarine RayNet to RJ45 Male Cable - 1m

    RayNet to RJ45 Male Cable - 1mRayNet network cables are for connecting the Digital Sounder Module (DSM) sonar, SR100 Sirius Weather Receiver and additional compatible Raymarine Multifunction Displays.The RayNet connector is used for connecting Raymarine...

    $74.99
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  • Furuno NMEA 2000 Junction Box Furuno 210 Explore Gear
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    Furuno

    Furuno NMEA 2000 Junction Box

    FI5002 NMEA2000 Junction BoxThe FI5002 is an NMEA2000 Certified, 6-Port Junction Box for use with for use with any NMEA2000 network. The FI5002 features 2 NMEA2000 backbone ports, as well as 6 NMEA2000 ports. It will support up to 2A or 40 (LEN) on a...

    $210.00
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  • Garmin P319 Plastic Thru-Hull Depth/Temp - 8 Pin Garmin 179.99 Explore Gear
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    Garmin

    Garmin P319 Plastic Thru-Hull Depth/Temp - 8 Pin

    Airmar P319 200/50kHz Plastic Thru-hull Transducer (8-pin)010-10194-21This plastic thru-hull mount transducer performs well at high speeds.An excellent choice for fiberglass and metal hulls, this 8-pin 600 W transducer has a depth of 800 to 1,200 ft; an...

    $179.99
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  • Garmin B117 Bronze Thru-Hull Depth/Temp - 8-Pin Garmin 289.99 Explore Gear
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    Garmin

    Garmin B117 Bronze Thru-Hull Depth/Temp - 8-Pin

    B117 Bronze Thru-Hull Depth/Temp - 8-PinThis bronze thru-hull mount transducer performs well at high speeds.An excellent choice for fiberglass and wood hulls, this 8-pin 600 W narrow stem transducer has a depth of 800 to 1,200 ft; an operating frequency...

    $289.99
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  • Garmin P79 600W In-Hull Transducer 50-200kHz - 8 Pin Garmin 169.99 Explore Gear
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    Garmin

    Garmin P79 600W In-Hull Transducer 50-200kHz - 8 Pin

    Airmar P79 Adjustable 200/50kHz Plastic In-hull Transducer (8-pin)010-10327-20This entry level in-hull transducer with an adjustable deadrise angle makes installation a snap.The 8-pin 600 W transducer has a depth of 800 to 1,200 ft; an operating...

    $199.00
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  • Garmin P66 600W Transom Mount 50/200kHz - 8 Pin Garmin 189.99 Explore Gear
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    Garmin

    Garmin P66 600W Transom Mount 50/200kHz - 8 Pin

    Airmar P66 200/50kHz Plastic Transom Mount Transducer (8-pin)010-10192-21This plastic transducer is the only offshore transom mount to provide depth, speed and temperature in 1 package.The 8-pin 600 W transducer has a depth of 800 to 1,200 ft; an...

    $189.99
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  • Garmin B744V 600W Triducer 50/200kHz - 8-Pin Garmin 479.99 Explore Gear
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    Garmin

    Garmin B744V 600W Triducer 50/200kHz - 8-Pin

    B744V 600W Triducer 50/200kHz - 8-PinGarmin's bronze, thru-hull mount transducer with fairing provides depth, temperature and speed data. Garmin's transducer has an operating frequency of 50 or 200 kHz and mounts on a 0-24° deadrise angle.WARNING:...

    $479.99
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  • Garmin B60 600W Tilted Element 12 Degree - 8-Pin Garmin 324.99 Explore Gear
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    Garmin

    Garmin B60 600W Tilted Element 12 Degree - 8-Pin

    B60 600W Tilted Element 12° - 8-PinThis entry-level tilted bronze transducer accommodates deadrise angles of 8 to 15 degrees without a fairing.An excellent choice for fiberglass and wood hulls, this 600W 8-pin transducer has a depth of 800' to...

    $324.99
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  • Garmin B60 600W Tilted Element 20 Degree - 8-Pin Garmin 324.99 Explore Gear
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    Garmin

    Garmin B60 600W Tilted Element 20 Degree - 8-Pin

    B60 600W Tilted Element - 8-PinGarmin's bronze, thru-hull mount transducer with 20° tilt provides depth and temperature data. Garmin's transducer has an operating frequency of 50 or 200 kHz and mounts on a 16-24° deadrise angle.WARNING: This...

    $324.99
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  • Digital Yacht AIS100P Pro AIS USB Receiver Digital Yacht 329.95 Explore Gear
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    Digital Yacht

    Digital Yacht AIS100P Pro AIS USB Receiver

    AIS100P Pro AIS USB ReceiverValue priced, high performance, dual channel black box AIS receiver with USB output. Now includes NMEA0183 input multiplex function - combines NMEA 4800 baud data with Ais data and makes all data available on the USB output...

    MSRP: $349.95
    $333.99
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  • Davis Deluxe Mark 25 Master Sextant Davis Instruments 327.99 Explore Gear
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    Davis Instruments

    Davis Deluxe Mark 25 Master Sextant

    Mark 25 Sextant#025The top of the line Davis plastic sextant, the Mark 25 features our Beam Converger™ mirror, sometimes referred to as a "full horizon mirror". A special coating is applied to high quality optical glass to allow the user to see...

    MSRP: $499.99
    $474.99
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  • Davis Mark 15 Master Sextant Davis Instruments 284.99 Explore Gear
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    Davis Instruments

    Davis Mark 15 Master Sextant

    Mark 15 Sextant#026This model has many great features including seven large sunshades, a 3 mm x 27 mm star scope, and easy-to-read micrometer drum vernier scale that reads to 2/10 of a minute. The Mark 15 has a 7" (18 cm) frame radius graduated from...

    MSRP: $399.99
    $379.99
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  • Humminbird AS-EC-15E 15' Ethernet Cable Humminbird 60.99 Explore Gear
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    Humminbird

    Humminbird AS-EC-15E 15' Ethernet Cable

    AS-EC-15E Ethernet Cable - 15'Features:15' Ethernet cableFemale connectors on both endsUse AS ECX 30E for cable extensionFor use with Humminbird Ethernet Systems onlyCompatibility:1100 Series™: All models900 Series™: 958c, 998c SI800...

    MSRP: $64.99
    $60.99
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  • Humminbird XTM 9 DI 25 T Trolling Motor Mount Transducer Humminbird 185.99 Explore Gear Humminbird XTM 9 DI 25 T Trolling Motor Mount Transducer [710234-1]
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    Humminbird

    Humminbird XTM 9 DI 25 T Trolling Motor Mount Transducer

    XTM 9 DI 25 T Trolling Motor Mount TransducerTrolling Motor Mount TransducerDown Imaging™/DualBeam Plus™, 75°/45°, 455/800 kHz (DI) and 25°/16°, 200/455 kHz, with built in temperature, 15' Cable. Low profile design minimize...

    MSRP: $209.99
    $185.99
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  • Maretron FFM100 Fuel Flow Monitor Maretron 395 Explore Gear
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    Maretron

    Maretron FFM100 Fuel Flow Monitor

    Fuel Flow MonitorPart #: FFM100-01Maretron's FFM100 provides precision fuel flow information to help optimize fuel consumption, which can save thousands of dollars in fuel operating cost. The FFM100 uses state-of-the-art, positive displacement metering...

    $395.00
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  • Garmin Shadow Drive f/GHP GHP 12 & GHP 20 Garmin 419.99 Explore Gear
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    Garmin

    Garmin Shadow Drive f/GHP GHP 12 & GHP 20

    Shadow DriveThe GHP™ 10's patented Shadow Drive technology gives boaters the security of knowing they maintain control even when relying upon the autopilot. Use this Shadow Drive attachment to automatically disengage the autopilot if the helm is...

    $419.99
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  • SI-TEX 120kHz Lexan Low-Profile Thru-Hull Transducer f/SDD-110 SI-TEX 114.99 Explore Gear
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    SI-TEX

    SI-TEX 120kHz Lexan Low-Profile Thru-Hull Transducer f/SDD-110

    120 kHz Lexan Low-Profile Thru-Hull Transducer f/SDD-110 Seawater Depth Indicator. Specifications:Imagining: DownSpeed Included: NoTemperature: NoPins: 8Mounting Style: Thru-HullChirp: NoCable Length (Feet): 30'Box Dimensions: 5"H x 7"W x...

    MSRP: $120.00
    $107.99
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  • SI-TEX SDD-110 Seawater Depth Indicator - Display Only SI-TEX 367.99 Explore Gear
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    SI-TEX

    SI-TEX SDD-110 Seawater Depth Indicator - Display Only

    SDD-110 Seawater Depth Indicator - Display OnlyThe SDD-110 operates on working frequency of 120kHz, so it won't interfere with other onboard echosounders. This compact unit - measuring only 4.3" X 4.3" X 3.5" - uses Digital Signal Processing (DSP)...

    MSRP: $429.00
    $408.99
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  • Maretron NMEA 2000 Network Bus Extender Maretron 338 Explore Gear
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    Maretron

    Maretron NMEA 2000 Network Bus Extender

    Network Bus ExtenderPart #: NBE100-01Maretron's NBE100 (Network Bus Extender) allows you to extend the maximum node count, network trunk length and cumulative drop length of any NMEA 2000 network. The NBE100 solves bus errors and other electrical issues...

    $338.00
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  • Maretron DST110 Depth/Speed/Temperature Triducer Maretron 499 Explore Gear
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    Maretron

    Maretron DST110 Depth/Speed/Temperature Triducer

    Mareton DST110 Smart™ Retractable Depth/Speed/Temperature Transducer The DST110 delivers precise digital depth, accurate speed and exact water temperature even at speeds above 40 knots - all with no programming or calibration necessary.Its patented...

    $499.00
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