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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Scotty 176 2.25" Ball System Base [0176]
Vendor:ScottyRegular price $26Regular price$35Sale price $26Sale -
Garmin B275LH-W Bronze Thru-Hull Transducer - 12-Pin [010-12183-20]
Vendor:GarminRegular price $2,670Regular price$0Sale price $2,670 -
Garmin GT34UHD-TM Ultra HD Transom Mount Transducer [010-12776-00]
Vendor:GarminRegular price $275Regular price$300Sale price $275Sale -
Garmin 12" Protective Cover - Magnetic [010-12799-11]
Vendor:GarminRegular price $92Regular price$100Sale price $92Sale -
Garmin Tilt/Swivel Quick-Release Bracket f/echoMAP 5xxx [010-12445-13]
Vendor:GarminRegular price $28Regular price$30Sale price $28Sale -
Garmin GOS 10 Hub f/Garmin OnBoard System [010-02908-10]
Vendor:GarminRegular price $391Regular price$400Sale price $391Sale -
Airmar DST820 Bronze Thru Hull - NMEA 2000 - 235kHz [DST820-BV-N2]
Vendor:AirmarRegular price $585Regular price$650Sale price $585Sale -
Airmar B150M Bronze 20 Degree Thru-Hull 300W 8-Pin [B150C-20-M-8G]
Vendor:AirmarRegular price $460Regular price$510Sale price $460Sale -
Airmar B175H Bronze 12 Thru-Hull Transducer - 1kW, 8-Pin [B175C-12-H-8G]
Vendor:AirmarRegular price $1,400Regular price$1,540Sale price $1,400Sale -
Airmar Humminbird 9-Pin Mix Match Chirp Cable - 1M [MMC-HB]
Vendor:AirmarRegular price $135Regular price$150Sale price $135Sale -
Airmar B175HW Bronze 0 Degree Thru-Hull 1kW f/Garmin w/8-Pin Connector [B175C-0-HW-8G]
Vendor:AirmarRegular price $1,900Regular price$2,090Sale price $1,900Sale -
Garmin Trolling Motor Mount [010-12105-20]
Vendor:GarminRegular price $28Regular price$30Sale price $28Sale -
Airmar B175H Bronze Thru Hull 12 Tilt - 1kW - Requires Mix and Match Cable [B175C-12-H-MM]
Vendor:AirmarRegular price $1,265Regular price$1,400Sale price $1,265Sale -
Airmar B175HW Bronze Thru Hull 0 Tilt - 1kW [B175C-0-HW-MM]
Vendor:AirmarRegular price $1,765Regular price$1,950Sale price $1,765Sale -
Airmar B75M Bronze Chirp Thru Hull 12 Tilt - 600W - Requires Mix and Match Cable [B75C-12-M-MM]
Vendor:AirmarRegular price $744Regular price$820Sale price $744Sale -
Airmar B265LH Bronze Chirp Thru Hull 1kW w/Fairing Block - Requires Mix and Match Cable [B265C-LH-MM]
Vendor:AirmarRegular price $2,064Regular price$2,280Sale price $2,064Sale -
Garmin NMEA 2000 Field Installable Connector, Female [010-11095-00]
Vendor:GarminRegular price $55Regular price$60Sale price $55Sale -
Navico B60 Thru Hull Transducer 12 Tilt, 9-Pin Xsonic Connector, Depth Temperature [B60-12-9N]
Vendor:AirmarRegular price $400Regular price$440Sale price $400Sale -
Airmar B164 Bronze Thru-Hull - 50/200 kHz - 1 kW - 20 Tilted Element - Requires Mix Match Cable [B164-20-MM]
Vendor:AirmarRegular price $1,264Regular price$1,400Sale price $1,264Sale -
Garmin Magnetic Protective Cover f/GPSMAP 9x13 Chartplotters [010-13901-11]
Vendor:GarminRegular price $110Regular price$120Sale price $110Sale -
Airmar B60 12 Degree Tilt Thru Hull Req Mix Match Cable [B60-12-MM]
Vendor:AirmarRegular price $302Regular price$340Sale price $302Sale -
Airmar MM-8G Mix Match Cable f/600W Non-CHIRP Transducers [MM-8G]
Vendor:AirmarRegular price $98Regular price$110Sale price $98Sale -
Garmin Protective Cover f/ECHOMAP Plus/UHD 7" Units [010-13126-00]
Vendor:GarminRegular price $19Regular price$20Sale price $19Sale -
Airmar TM275C-LHW 1kW Chirp Transom Mount Transducer [TM275C-LHW-MM]
Vendor:AirmarRegular price $2,365Regular price$2,610Sale price $2,365Sale
![Scotty 176 2.25" Ball System Base [0176]](http://trestlethorn.com/cdn/shop/files/103347BXL.jpg?v=1711580935&width=533)
![Garmin GOS 10 Hub f/Garmin OnBoard System [010-02908-10]](http://trestlethorn.com/cdn/shop/files/111139BXL.jpg?v=1780624169&width=533)