Collection: Marine Navigation & Instruments
Navigate with confidence using our complete selection of marine navigation instruments. Browse GPS chartplotters, combo GPS/fish finder units, standalone fish finders, radar systems, autopilots, transducers, AIS systems, depth sounders, gauges, and marine monitors from Garmin, Humminbird, Lowrance, and other leading manufacturers.
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Garmin SteadyCast Heading Sensor [010-11417-10]
Vendor:GarminRegular price $183Regular price$200Sale price $183Sale -
Garmin Bail Mount w/Knobs f/echoMAP Series [010-12233-03]
Vendor:GarminRegular price $33Regular price$35Sale price $33Sale -
Garmin Electronic Control Unit (ECU) f/GHP 12 [010-11053-30]
Vendor:GarminRegular price $900Regular price$1,000Sale price $900Sale -
Furuno 30M Cable Kit w/Junction Box f/FI5001 [000-010-511]
Vendor:FurunoRegular price $125Regular price$0Sale price $125 -
Garmin Power/Data Cable f/Fishfiner 300C & 400C & GPSMAP 400 & 500 Series [010-10918-00]
Vendor:GarminRegular price $33Regular price$35Sale price $33Sale -
Furuno 520-5PSD Plastic Thru-Hull Transducer, 600w (10-Pin) [520-5PSD]
Vendor:FurunoRegular price $196Regular price$0Sale price $196 -
Garmin 16" Protective Cover - Magnetic [010-12799-12]
Vendor:GarminRegular price $110Regular price$120Sale price $110Sale -
Garmin NMEA 2000 Backbone/Drop Cable - 6 (2M) - *Case of 10* [010-11076-00CASE]
Vendor:GarminRegular price $321Regular price$350Sale price $321Sale -
Ritchie V-537B Explorer Compass - Bulkhead Mount - Blue Dial [V-537B]
Vendor:RitchieRegular price $100Regular price$0Sale price $100 -
Ritchie X-10B-M RitchieSport Compass - Bracket Mount - Black [X-10B-M]
Vendor:RitchieRegular price $49Regular price$52Sale price $49Sale -
Garmin NMEA 2000 Backbone Cable (2M) [010-11076-00]
Vendor:GarminRegular price $33Regular price$35Sale price $33Sale -
Ritchie XP-98W X-Port Tactician Compass - Surface Mount - White [XP-98W]
Vendor:RitchieRegular price $116Regular price$0Sale price $116 -
Ritchie H-741-C Helmsman SuperSport Compass Cover - 2004 to Present - White [H-741-C]
Vendor:RitchieRegular price $32Regular price$0Sale price $32 -
Ritchie X-11Y SportAbout Handheld Compass - Yellow [X-11Y]
Vendor:RitchieRegular price $60Regular price$0Sale price $60 -
Ritchie HF-742W Helmsman Compass - Flush Mount - White [HF-742W]
Vendor:RitchieRegular price $267Regular price$0Sale price $267 -
Black Oak Nitron XD Pro Full Color Marine Night Vision Camera - Standard Mount - HDMI - White [NVCP-WSH]
Vendor:Black Oak LEDRegular price $3,554Regular price$4,181Sale price $3,554Sale -
Black Oak Nitron XD Pro Full Color Marine Night Vision Camera - Undermount - Analog - Black [NVCP-BUSA]
Vendor:Black Oak LEDRegular price $3,182Regular price$3,744Sale price $3,182Sale -
Maretron MPower 16-Channel DC Load Controller Module w/NMEA 2K w/o Connectors [CLMD16]
Vendor:MaretronRegular price $1,300Regular price$1,495Sale price $1,300Sale -
Furuno 12-Pin Pigtail Cable f/TZT3 [TZ3-12P-PGT]
Vendor:FurunoRegular price $152Regular price$0Sale price $152 -
Raymarine Adaptor Plate f/Axiom 9 to C80/E80 Size Cutout *Will Require New Holes [A80564]
Vendor:RaymarineRegular price $80Regular price$0Sale price $80 -
RaymarineRealVision 3D Transducer Extension Cable - 5M(16') [A80476]
Vendor:RaymarineRegular price $140Regular price$0Sale price $140 -
Raymarine ST300, Thru-hull Shorty [E26008]
Vendor:RaymarineRegular price $125Regular price$0Sale price $125 -
Humminbird APEX 19 VX MSI+ Chartplotter/Fishfinder w/Transom Mount Transducer [411240-1VX]
Vendor:HumminbirdRegular price $4,700Regular price$0Sale price $4,700 -
Furuno GP340 GNSS GPS Receiver [GP340]
Vendor:FurunoRegular price $322Regular price$325Sale price $322Sale
![Ritchie V-537B Explorer Compass - Bulkhead Mount - Blue Dial [V-537B]](http://trestlethorn.com/cdn/shop/files/36537BXL.jpg?v=1697587201&width=533)
![Ritchie X-10B-M RitchieSport Compass - Bracket Mount - Black [X-10B-M]](http://trestlethorn.com/cdn/shop/files/36525BXL.jpg?v=1697587155&width=533)
![Ritchie XP-98W X-Port Tactician Compass - Surface Mount - White [XP-98W]](http://trestlethorn.com/cdn/shop/files/32476BXL.jpg?v=1697583033&width=533)
![Ritchie X-11Y SportAbout Handheld Compass - Yellow [X-11Y]](http://trestlethorn.com/cdn/shop/files/10532BXL.jpg?v=1697570739&width=533)
![Ritchie HF-742W Helmsman Compass - Flush Mount - White [HF-742W]](http://trestlethorn.com/cdn/shop/files/10534BXL.jpg?v=1697570761&width=533)
![Maretron MPower 16-Channel DC Load Controller Module w/NMEA 2K w/o Connectors [CLMD16]](http://trestlethorn.com/cdn/shop/files/102939BXL.jpg?v=1759874149&width=533)
![Humminbird APEX 19 VX MSI+ Chartplotter/Fishfinder w/Transom Mount Transducer [411240-1VX]](http://trestlethorn.com/cdn/shop/files/111198BXL.jpg?v=1759874161&width=533)