Sea Hunt Radar Upgrade Kit

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Sea Hunt Radar Upgrade Kit
Sea Hunt Radar Upgrade Kit

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    This kit provides everything needed for a clean and first class radar upgrade on your Sea Hunt with compatible Garmin Display. Any 2020 or newer Sea Hunt with a factory Garmin display can use this uprgade kit.  Any older Sea Hunt with an aftermarket Garmin display can use this kit as well. 

    This kit includes everything you'll need to install the riser mount, heading sensor, cables, and Fantom radar including the hard-to-find hardware the technicians at BOE use. 

    Once installed, you will have a state-of-the-art Garmin solid state radar, with radar overlay, on a 5" riser mount to get your radar above any lightbars, or accessories you may have on your hardtop. 

    This Radar Upgrade kit will work on any center consol boat, or boat with a hardtop or radar mounting point, using a compatible Garmin Chartplotter.  View compatible displays here.

    *Not compatible with Sea Hunts that came factory rigged with Simrad. 


    GMR Fantom™ 

    18-inch Dome Radar with MotionScope™ Technology

    • 18-inch, 40 W solid-state, dome radar
    • MotionScope™ technology uses the Doppler effect to detect and highlight targets moving toward you or away in different colors to help avoid collisions, find flocks of birds, and track weather
    • Pulse Compression technology provides high resolution while maximizing energy, to enhance detection and identification of targets
    • Target Size allows you to adjust the size of objects on the radar image
    • 20 foot to 48 nautical mile detection range

    The 18-inch, 40 W solid-state Garmin GMR Fantom 18 dome radar features MotionScope technology, which uses the Doppler effect to detect and highlight moving targets to help you avoid potential collisions. Fully integrates with select Garmin chartplotters.

    High-power 40 W Radar with 5.2 Degree Beam

    You get excellent close- and long-range target detection ranging from as close as 20 feet to 48 nautical miles, even in fog or rain. Its 5.2 degree horizontal beamwidth provides a high resolution image and high antenna gain so it can pick out targets at a distance. The result is this radar paints a clear, concise image of the shoreline, other vessels and impending weather — right on your Garmin chartplotter. You get consistent target positions, excellent target separation and reliable operation. Its 8-bit true color imagery also helps you discriminate large targets from small ones and enhances target separation. Radar data is overlaid onto charts (autopilot or heading sensor recommended). Low power consumption, instant turn on and no delay from warming up as with magnetron radars. Rotation speeds of 24 for reduced power consumption and 48 rpm to provide fast screen updates.

    MotionScope Doppler Technology

    GMR Fantom radars use the Doppler effect to detect and highlight moving targets to help you avoid potential collisions, find flocks of birds and track weather formations. The Doppler effect is the frequency shift in the radar echo due to the relative motion of the target. This allows for instant detection of any targets moving toward or away from the radar. MotionScope highlights the moving targets in different colors on the radar display so you can navigate around other boats or severe weather, or toward fishing spots where birds are feeding at the surface.

    • Target Size: Allows you to adjust the size of objects on the radar image.
    • Auto Bird Gain: Fishermen know, when you find birds at the water’s surface, you’ll also find fish. To further improve your fishing experience, use Auto Bird Gain, which helps to locate flocks of birds at the water’s surface where baitfish are also likely to be found.
    • Echo Trails: A fading “trail” is left on the screen to help you quickly and easily identify moving targets and potential collision threats. Trails are corrected for your boat’s rotation when an autopilot or heading sensor is connected to your Garmin network.
    • Dual Range: Single radar antenna is capable of providing split screen images on your chartplotter side-by-side, with independent range setting and controls for both close and long range.
    • Dual Radar Support: Provides redundancy and the ability for each display unit on the boat to select data from 1 of 2 different radar sources.
    • Dynamic Auto Gain: Dynamic Auto Gain automatically adjusts to your surroundings for optimal performance in all conditions.
    • Dynamic Sea Filter: Dynamic Sea Filter automatically adjusts gain to changing sea conditions with user options for low, medium or high filtering.
    • Radar Overlay: Overlays the radar image on the chartplotter’s map page. An autopilot or heading sensor is recommended for best results.
    • MARPA Target Tracking: Mini-automatic radar plotting aid (MARPA) tracks up to 10 selected targets, helping you keep track of other vessels and avoid collisions.
    • Guard Zone: Set the safety zone and receive an alarm when an object enters the zone.
    • VRM and EBL: Variable range markers (VRM) and electronic bearing lines (EBL) allow rapid measurements of distance and bearing to vessels and land.

    It’s Your Time

    All Garmin radars are designed to be easy to install and easy to use. There are no complex user settings to adjust; just install your radar and start using it. You can rely on the GMR Fantom radar to provide reliable, optimum performance in all conditions. Because, it’s your time.

    In The Box

    • GMR Fantom 18
    • Mounting hardware kit
    • Power cable (15 m/49.21 ft)
    • Network cable (15 m/49.21 ft)
    • Installation instructions
    • Mounting template


    SteadyCast™ Heading Sensor

    Know where you're actually casting. SteadyCast heading sensor is a simple, easy-to-install solution that provides fast calibration and premium heading accuracy. It aligns your boat bow to its actual orientation so you know where you are casting according to your chartplotter screen.


    • Ensures bow orientation on your chartplotter matches your heading
    • Heading accuracy of plus or minus 3 degrees
    • Easy NMEA 2000® plug-and-play interface
    • Simple 2-step calibration process
    • 9-axis MEMS technology allows installation in any orientation located away from magnetic interference

    Accurate Heading Even at Low Speed
    Its heading output rate at 10 Hz and accuracy of plus or minus 3 degrees ensures your chart orientation and boat heading line match up with reality, even at trolling speeds or when dead in the water.

    Effective in Rough Waters
    You can also be confident your heading information will remain accurate, even in rough water.

    Easy Installation, Fast Calibration
    SteadyCast heading sensor installs easily with NMEA 2000® plug-and-play interface and a simple 2-step precision calibration process for compatible Garmin chartplotters. Basic calibration for displays other than Garmin is also supported. Its 9-axis MEMS technology allows installation in any orientation located away from magnetic interference, and it's built to withstand bilge environments.

    In The Box:

    • SteadyCast heading sensor with integrated NMEA 2000® drop cable (6 ft)
    • NMEA 2000® T-connector
    • Documentation


    Seaview Radar Mount

    The 5" tall Seaview aft leaning mount is for Open Array Radars, Closed Dome Radars and Satdomes. The oval hollow mast section allows for easy cable management. The small 7"x7" foot print design is a great solution for limited space. This modular mount is light bar compatible. This modular mount is light bar compatible. Numerous accessories are also available for this mount such as wedges, hinges, spreaders, lightbars and floodlights. *Please note that a Top Plate is required (sold separately)*


    • Seaview Modular top plate required
    • 20 degree leaning profile
    • Heavy duty cast aluminum
    • Pre-drilled base for quick installation
    • Water tight base gasket provided
    • Small footprint of 7"x 7"
    • Water tight Light or GPS bar option.
    • Flush mount plug provided if no light bar used

    BOE Marine is known for providing the absolute best installations on the brands we carry. We are pleased to expand our footprint in partnership with companies that share the same ideals as us. Listed below you will find our Installation Partners in key regions around the country. You can contact these companies directly and get the same great service you expect from BOE Marine. Through our partnerships you are able to order your equipment at the best prices, tax free, from our website. Then have one of our Installation Partners perform a high quality installation.

    Our program is built upon a high degree of accountability. Our Installation Partners expect us to give great advice, prices, and supply all of the parts needed for the install. And we expect our Installation Partners to provide an expert installation in a timely manner and provide support for any equipment malfunctions or installation issues.

    As the customer, you can be assured that you are buying from a dealer authorized in the brands we carry. And you will receive uncompromising advice and support on the local level from the Installation Partner, or via phone with BOE Marine. We feel there is no better package to get you the best pricing along with experienced local service.

    Mid-Atlantic (MD, DE, DC)
    Serviced by BOE Marine 866-735-5926

    North Carolina (Lake Norman Area)

    Serviced by BOE Marine of Lake Norman 866-735-5926

    Florida West Coast (Tampa/St Pete Area)

    Bluewater Custom Marine - 727-488-7171
    Mobile Electronics Installation
    St. Petersburg, FL
    CONTACT: Martin Warren

    Fort Lauderdale - Miami Dade

    Parker Yacht - 954-463-1515
    225 SW 32nd Street
    Fort Lauderdale, FL 33315
    CONTACT: Ole Parker

    Palm Beach County

    Marine Electronics Solutions - 561-427-1040
    3866 Prospect Ave #8
    West Palm Beach, FL 33404
    CONTACT: Billy Byers


    HMS Marine Electric, LLC - 251-591-3283
    400 Myrtle Avenue
    Fairhope, AL 36532
    CONTACT: Maclin Smith Jr.

    Cape Cod & Islands

    Dempsey Marine Electronics & Electrical - 508-360-1094
    234 Queen Anne Road #2
    Harwich Mass 02645
    CONTACT: Tom Dempsey

    Texas - Houston/Galveston & Surrounding Areas

    Bill Platt Electronics - 409-739-3489
    3501 Tallow Forest St
    Dickinson, TX 77539
    CONTACT: Bill Platt

    Washington DC / Occoquan

    Jimmy's Mobile Marine
    James Deuterman
    9192 Big Springs Loop
    Bristow, VA 20136

    Baton Rouge, LA

    David Wade Marine
    18150 Petroleum Dr
    Baton Rouge, Louisiana
    (225) 752-3789


    Spar Yard Marine
    6 Spar Lane Sandy’s, MA01

    Long Island, NY

    Jeff's Marine Electronics
    8 Rugby Dr
    Shirley, NY 11967
    631-874-0070 or 631-469-1645 (cell)

    Installers - Do you have what it takes to be an Authorized BOE Installation Partner?  If you can demonstrate a proven track record of impeccable customer service and expert installations then we will consider adding you to this list in markets not already covered. Please email to inquire.

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    Product Questions

    • 0

    We have a bundle available with the HD+ radar here

    By James Maier on 11 December, 2020
    Sorry James, I'm a little bit stupid today. Is the price 3799,99 for both the display and the radar dome or do I have to add the price of them together to get my total cost ?
    By Leo Kowalski on 11 December, 2020

    $3571 is the bundle price for the radar/1242 combo I linked to.  Nothing else needed.  If you are wanting the install kit that we have for a Sea Hunt like the one above then this is the Fantom radar, and you would buy this kit, plus the 1242xsv.

    By James Maier on 13 December, 2020
    Thank you for the vote.

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