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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Humminbird AD XTM 9 Trolling Motor Adapter f/XNT Transducers [740087-1]
Vendor:HumminbirdRegular price $34Regular price$40Sale price $34Sale -
Airmar P319 Plastic Thru Hull Depth Temperature Transducer - 600W- 50/200kHz - Requires Mix Match Cable [P319-DT-MM]
Vendor:AirmarRegular price $167Regular price$200Sale price $167Sale -
Airmar MM1-DST-8G Mix and Match Garmin Blue 8-Pin Cable [MM1-DST-8G]
Vendor:AirmarRegular price $135Regular price$150Sale price $135Sale -
Airmar B75 High 20 Degree CHIRP Transducer 8-Pin f/Garmin [B75C-20-H-8G]
Vendor:AirmarRegular price $930Regular price$1,030Sale price $930Sale -
Airmar B150M Bronze 20 Degree Thru-Hull 300W 8-Pin [B150C-20-M-8G]
Vendor:AirmarRegular price $460Regular price$510Sale price $460Sale -
Airmar B175HW Bronze 20 Degree Thru-Hull 1kW f/Garmin w/8-Pin Connector [B175C-20-HW-8G]
Vendor:AirmarRegular price $1,750Regular price$1,930Sale price $1,750Sale -
Scotty Seeker Single Probe w/Safety Leader [5001]
Vendor:Scotty SeekerRegular price $600Regular price$0Sale price $600 -
Scotty 170 2.25" Ball Mounting System f/10-12" Screens [0170]
Vendor:ScottyRegular price $81Regular price$111Sale price $81Sale -
Scotty 165 1.5 Ball System Top Plate [0165]
Vendor:ScottyRegular price $18Regular price$24Sale price $18Sale -
FORESIGHT Minn Kota Ultrex QUEST Fit Kit [1011]
Vendor:FORESIGHTRegular price $105Regular price$111Sale price $105Sale -
TAILFIN Wireless Remote [1350]
Vendor:TAILFINRegular price $62Regular price$80Sale price $62Sale -
Scotty 160 1.5" Ball Mounting System f/7-9" Screens [0160]
Vendor:ScottyRegular price $48Regular price$65Sale price $48Sale -
Raymarine P79 Adjustable In-Hull Transducer [E66008]
Vendor:RaymarineRegular price $217Regular price$240Sale price $217Sale -
Scotty 176 2.25" Ball System Base [0176]
Vendor:ScottyRegular price $26Regular price$35Sale price $26Sale -
Furuno B275LHW Bronze Thru-Hull CHIRP Transducer - 12-Pin [B275LHW-12P]
Vendor:FurunoRegular price $2,100Regular priceSale price $2,100 -
Garmin Tilt Mount f/STRIKER Plus 9sv [010-12439-03]
Vendor:GarminRegular price $28Regular price$30Sale price $28Sale -
Airmar B75H Bronze Chirp Thru Hull 20 Tilt - 600W - Requires Mix and Match Cable [B75C-20-H-MM]
Vendor:AirmarRegular price $795Regular price$1,030Sale price $795Sale -
Airmar B175HW Bronze Thru Hull 20 Tilt - 1kW - Requires Mix and Match Cable [B175C-20-HW-MM]
Vendor:AirmarRegular price $1,750Regular price$1,930Sale price $1,750Sale -
Garmin GT52HW-TM Plastic, TM or Trolling Motor Transducer, High Wide CHIRP/DownV/SideV - 455/800kHz, 500W [010-12405-00]
Vendor:GarminRegular price $321Regular price$350Sale price $321Sale -
Garmin GND 10 Black Box Bridge [010-01226-00]
Vendor:GarminRegular price $193Regular price$210Sale price $193Sale -
Garmin GSD 24 Digital Black Box Network Sounder [010-00957-00]
Vendor:GarminRegular price $675Regular price$750Sale price $675Sale -
Garmin ECHOMAP Ultra 2 Protective Cover - 16" [010-13352-10]
Vendor:GarminRegular price $28Regular price$30Sale price $28Sale -
Garmin GT17M-THF SS Mid Band Chirp Transducer - 20 - 1kW - 8-Pin [010-02930-02]
Vendor:GarminRegular price $1,080Regular price$1,200Sale price $1,080Sale -
Garmin Yamaha Engine Bus to J1939 Adapter Cable - 3' [010-12770-00]
Vendor:GarminRegular price $28Regular price$30Sale price $28Sale
![Scotty 165 1.5 Ball System Top Plate [0165]](http://trestlethorn.com/cdn/shop/files/103334BXL.jpg?v=1711580884&width=533)
![Scotty 176 2.25" Ball System Base [0176]](http://trestlethorn.com/cdn/shop/files/103347BXL.jpg?v=1711580935&width=533)
![Garmin GT17M-THF SS Mid Band Chirp Transducer - 20 - 1kW - 8-Pin [010-02930-02]](http://trestlethorn.com/cdn/shop/files/104651BXL.jpg?v=1719882930&width=533)