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Over 50 years of Trusted Marine Service

GPS & Navigation Electronics

GPS & Navigation Electronics

GPS, Navigation Electronics, Displays, Mounts, Charts & Accessories

Shop GPS and navigation electronics for a cleaner, easier-to-build helm. Find chartplotters, fishfinder/GPS combos, multi-function displays, GPS receivers, chart cards, transducers, network cables, mounts, radar and camera mounting support, power cables, and installation accessories.

Shop GPS & Navigation Electronics Shop by Brand Ask Parts Desk
System Check

Confirm screen size, dash space, chart region, sonar needs, transducer connector, network type, power cable, mount style, and expansion plans before ordering.

Start With Mounts
GPS chartplotters and navigation electronics

Find GPS & Navigation Electronics Faster

Search by Brand, Series, Screen Size, Chart Region, Mount, Cable, or Transducer

Use focused searches by product type, screen size, chart region, mount, cable, or transducer. Good searches include GPS chartplotter, fishfinder GPS, chart card, NMEA 2000 cable, transducer, radar mount, or display power cable.

Navigation & Fishing

Choose Around How the Boat Is Used

A cruising boat may need charting, AIS display, radar support, route planning, and clear helm visibility. A fishing boat may need CHIRP, side imaging, live sonar support, split-screen control, waypoint speed, and a transducer matched to the hull.

CHIRP Chartplotters Side-Scan Sonar Live Sonar Displays

Connected Helm

Build a System That Can Grow

Before choosing a display, think about radar, AIS, autopilot, cameras, engine data, NMEA 2000, Ethernet networking, chart cards, remote displays, and future transducer upgrades.

Radar Displays AIS Integration NMEA 2000 Displays
GPS

Position & Charts

Confirm GPS source, chart region, chart format, display size, and route-planning needs.

SON

Sonar & Transducers

Match sonar support, connector style, transducer mount, hull type, and fishing style.

NET

Network & Power

Check power cable, fuse needs, data cable, NMEA 2000, Ethernet, and accessory ports.

GPS & Navigation Electronics FAQ

Choosing GPS, Chartplotters, Displays, and Mounts

What should I check before buying a chartplotter?

Confirm screen size, dash space, chart region, sonar needs, transducer compatibility, power cable, networking, radar or AIS plans, and mount style.

Why are mounts and cables so important?

Many display problems come from poor mounting, unsupported cable routing, missing adapters, wrong network cables, or weak power connections. Match the mount and cables before installation.

Can one display handle GPS, sonar, radar, and AIS?

Many MFDs can, but compatibility depends on the display model, network type, radar family, AIS connection, transducer support, software, and required accessories.

How do I choose a transducer?

Match the transducer to the display, connector, sonar type, hull material, mounting style, depth range, and fishing use.

Shop GPS, Navigation Electronics, Mounts, Charts & Accessories

Start with the display or system brand, then confirm chart support, transducer compatibility, mount style, power, and network connections.

Shop GPS & Navigation Electronics Confirm Compatibility

Filters

Seachoice PL259 w/ UG175 Adapter, VHF Cable Antenna Connector

Seachoice PL259 w/ UG175 Adapter, VHF Cable Antenna Connector

$21.99 - $21.99
$21.99
$21.99 - $21.99
$21.99
Item locally warehoused

Make installing a new VHF cable easier than ever before with this chrome-plated brass male connector and adapter for RG58U cable. Seachoice is comm...

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$21.99 - $21.99
$21.99
$21.99 - $21.99
$21.99
Seachoice 19781 5' RG58U White Coaxial Antenna Cable Assembly, Includes PL259 Fittings on Both Ends

Seachoice 19781 5' RG58U White Coaxial Antenna Cable Assembly, Includes PL259 Fittings on Both Ends

$32.61 - $32.61
$32.61
$32.61 - $32.61
$32.61
Item locally warehoused

RG58U white coaxial cable with PL259 fittings on both ends.Lengths to fit most applications.

$32.61 - $32.61
$32.61
$32.61 - $32.61
$32.61
Seachoice 19771 20' RG58U White Coaxial Antenna Cable Assembly, Includes PL259 Fittings on Both Ends

Seachoice 19771 20' RG58U White Coaxial Antenna Cable Assembly, Includes PL259 Fittings on Both Ends

$49.72 - $49.72
$49.72
$49.72 - $49.72
$49.72
Item locally warehoused

RG58U white coaxial cable with PL259 fittings on both ends.Lengths to fit most applications.

$49.72 - $49.72
$49.72
$49.72 - $49.72
$49.72
Seachoice 19761 10' RG58U White Coaxial Antenna Cable Assembly, Includes PL259 Fittings on Both Ends

Seachoice 19761 10' RG58U White Coaxial Antenna Cable Assembly, Includes PL259 Fittings on Both Ends

$34.21 - $34.21
$34.21
$34.21 - $34.21
$34.21
Item locally warehoused

RG58U white coaxial cable with PL259 fittings on both ends.Lengths to fit most applications.

$34.21 - $34.21
$34.21
$34.21 - $34.21
$34.21
Seachoice UG175 Adapter, Silver, VHF Cable Antenna Connector

Seachoice UG175 Adapter, Silver, VHF Cable Antenna Connector

$7.29 - $7.29
$7.29
$7.29 - $7.29
$7.29
Item locally warehoused

This Seachoice Antenna Connector UG-175 Reducer fits RG-58/L-195 and reliably provides sure contact. This connector is silver-plated for outstandin...

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$7.29 - $7.29
$7.29
$7.29 - $7.29
$7.29
Seachoice PL258 Double Male Adapter, VHF Cable Antenna Connector

Seachoice PL258 Double Male Adapter, VHF Cable Antenna Connector

$21.49 - $21.49
$21.49
$21.49 - $21.49
$21.49
Item locally warehoused

The Seachoice PL258 VHF Antenna Double Female Connector is a PL258 connector with double female ends. This connector joins 2 PL259 cable plugs, let...

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$21.49 - $21.49
$21.49
$21.49 - $21.49
$21.49
Seachoice UG176 Adapter, VHF Cable Antenna Connector

Seachoice UG176 Adapter, VHF Cable Antenna Connector

$11.99 - $11.99
$11.99
$11.99 - $11.99
$11.99
Item locally warehoused

The Seachoice UG176 Reducer/Adapter for RG59U Coaxial Cable is used to adapt a standard PL259 connector to a RG59U coaxial cable. The attractive, p...

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$11.99 - $11.99
$11.99
$11.99 - $11.99
$11.99
Seachoice UG175 Adapter, VHF Cable Antenna Connector

Seachoice UG175 Adapter, VHF Cable Antenna Connector

$7.24 - $7.24
$7.24
$7.24 - $7.24
$7.24
Item locally warehoused

This Seachoice VHF Antenna Connector is Coaxial Cable Adapter Model UG175 designed for use with an RG58U Cable, and it fits Seachoice Cable Plug 19...

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$7.24 - $7.24
$7.24
$7.24 - $7.24
$7.24
Seachoice PL259 Male Adapter, VHF Cable Antenna Connector

Seachoice PL259 Male Adapter, VHF Cable Antenna Connector

$18.29 - $18.29
$18.29
$18.29 - $18.29
$18.29
Item locally warehoused

The Seachoice PL259 VHF Coaxial Cable Male Plug fits RG58U coaxial cables. The attractive, polished chrome-plated brass construction provides impro...

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$18.29 - $18.29
$18.29
$18.29 - $18.29
$18.29
Seachoice Plastic Wire Cover, Black Finish, Pack of 2

Seachoice Plastic Wire Cover, Black Finish, Pack of 2

$11.79 - $11.79
$11.79
$11.79 - $11.79
$11.79
Item locally warehoused

Providing a fast and easy way to cover unsightly wire pass through holes, while still allowing easy removal for visual inspection, this plastic wir...

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$11.79 - $11.79
$11.79
$11.79 - $11.79
$11.79
Seachoice 16151 Stainless-Steel Clam Shell Vent - 2-5/32" x 2-1/8" x 15/32"

Seachoice 16151 Stainless-Steel Clam Shell Vent - 2-5/32" x 2-1/8" x 15/32"

$8.39 - $8.39
$8.39
$8.39 - $8.39
$8.39
Item locally warehoused

Great for routing cables.

$8.39 - $8.39
$8.39
$8.39 - $8.39
$8.39
Seachoice 16141 Stainless-Steel Clam Shell Vent - 1-21/32" x 1-3/4" x 7/16"

Seachoice 16141 Stainless-Steel Clam Shell Vent - 1-21/32" x 1-3/4" x 7/16"

$7.79 - $7.79
$7.79
$7.79 - $7.79
$7.79
Item locally warehoused

Great for routing cables.

$7.79 - $7.79
$7.79
$7.79 - $7.79
$7.79
Seachoice 17991 Cable Thru Hull Fitting - White - 9/32" Slot, 1-1/2" Flange

Seachoice 17991 Cable Thru Hull Fitting - White - 9/32" Slot, 1-1/2" Flange

$25.07 - $25.07
$25.07
$25.07 - $25.07
$25.07
Item locally warehoused

Watertight thru hull fitting . Self attaching. No additional hardware required. Accepts single or double cable. 2" maximum hull.

$25.07 - $25.07
$25.07
$25.07 - $25.07
$25.07
Seachoice 17971 Cable Thru Hull Fitting - Black - 9/32" Slot, 1-1/2" Flange

Seachoice 17971 Cable Thru Hull Fitting - Black - 9/32" Slot, 1-1/2" Flange

$25.07 - $25.07
$25.07
$25.07 - $25.07
$25.07
Item locally warehoused

Watertight thru hull fitting . Self attaching. No additional hardware required. Accepts single or double cable. 2" maximum hull.

$25.07 - $25.07
$25.07
$25.07 - $25.07
$25.07
Seachoice 17921 Cable Thru Hull Fitting - White - 1/4" Slot, 1-1/4" Flange

Seachoice 17921 Cable Thru Hull Fitting - White - 1/4" Slot, 1-1/4" Flange

$17.67 - $17.67
$17.67
$17.67 - $17.67
$17.67
Item locally warehoused

Watertight thru hull fitting . Self attaching. No additional hardware required. Accepts single or double cable. 2" maximum hull.

$17.67 - $17.67
$17.67
$17.67 - $17.67
$17.67
Seachoice 17901 Cable Thru Hull Fitting - Black - 1/4" Slot, 1-1/4" Flange

Seachoice 17901 Cable Thru Hull Fitting - Black - 1/4" Slot, 1-1/4" Flange

$17.67 - $17.67
$17.67
$17.67 - $17.67
$17.67
Item locally warehoused

Watertight thru hull fitting . Self attaching. No additional hardware required. Accepts single or double cable. 2" maximum hull.

$17.67 - $17.67
$17.67
$17.67 - $17.67
$17.67
Davis 125 Navigation Rules Quick Reference Card

Davis 125 Navigation Rules Quick Reference Card

$25.34 - $25.34
$25.34
$25.34 - $25.34
$25.34
Item locally warehoused

Has the new U.S.Buoyage System, inland and international rules, right of way, lights, sound signals, new bridge signals, graphically summarized and...

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$25.34 - $25.34
$25.34
$25.34 - $25.34
$25.34
Pocket Wetnotes® Notebook

Pocket Wetnotes® Notebook

$46.99 - $46.99
$46.99
$46.99 - $46.99
$46.99
Item locally warehoused

Convenient vinyl covered pocket notebook with 40 pages.Completely Waterproof, for Use Under WaterUses Regular Soft Lead PencilOpens Flat for Easy W...

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$46.99 - $46.99
$46.99
$46.99 - $46.99
$46.99
Helmsman Adapter, Black

Helmsman Adapter, Black

$37.99 - $37.99
$37.99
$37.99 - $37.99
$37.99
Item locally warehoused

Helmsman Adapter, Black

$37.99 - $37.99
$37.99
$37.99 - $37.99
$37.99
Ritchie X23BU Sport Dash Mount Compass, Black/blue dial

Ritchie X23BU Sport Dash Mount Compass, Black/blue dial

$132.59 - $132.59
$132.59
$132.59 - $132.59
$132.59
Item locally warehoused

2" (51 mm) Direct Reading Dial. Easily Installed, it fits standard 2-1/16" instrument hole. The view adjusts up to 30 degrees. Features: Exclusive ...

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$132.59 - $132.59
$132.59
$132.59 - $132.59
$132.59
Ritchie X23BB Sport Dash Mount Compass, Black/Black dial

Ritchie X23BB Sport Dash Mount Compass, Black/Black dial

$132.59 - $132.59
$132.59
$132.59 - $132.59
$132.59
Item locally warehoused

2" (51 mm) Direct Reading Dial. Easily Installed, it fits standard 2-1/16" instrument hole. The view adjusts up to 30 degrees. Features: Exclusive ...

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$132.59 - $132.59
$132.59
$132.59 - $132.59
$132.59
Davis 215 Illuminated Hand Bearing Compass, Grey

Davis 215 Illuminated Hand Bearing Compass, Grey

$100.76 - $100.76
$100.76
$100.76 - $100.76
$100.76
Item locally warehoused

Allows quick magnetic bearings on shore or floating objects. Simply align front and rear sights on the object and read off bearing. Features: stabl...

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$100.76 - $100.76
$100.76
$100.76 - $100.76
$100.76
SportAbout™ Marine Hand Bearing Compass

SportAbout™ Marine Hand Bearing Compass

$136.99 - $136.99
$136.99
$136.99 - $136.99
$136.99
Item locally warehoused

Easy to read 2" direct-reading dial Hardened steel pivot and Sapphire jewel movement Built-in roller diaphragm for extended temperature operating ...

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$136.99 - $136.99
$136.99
$136.99 - $136.99
$136.99
RitchieSport Compass, White

RitchieSport Compass, White

$114.29 - $114.29
$114.29
$114.29 - $114.29
$114.29
Item locally warehoused

Two-sided self-adhesive mounting pads included. Reversible bracket adjusts through 300°. Bracket pad measures 1-1/4 x 1-1/4". 2" direct-reading, di...

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$114.29 - $114.29
$114.29
$114.29 - $114.29
$114.29
RitchieSport Compass, Black

RitchieSport Compass, Black

$114.39 - $114.39
$114.39
$114.39 - $114.39
$114.39
Item locally warehoused

Two-sided self-adhesive mounting pads included. Reversible bracket adjusts through 300°. Bracket pad measures 1-1/4 x 1-1/4". 2" direct-reading, di...

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$114.39 - $114.39
$114.39
$114.39 - $114.39
$114.39
Voyager Compass-Flush Mount, Combi Dial, Black

Voyager Compass-Flush Mount, Combi Dial, Black

$462.59 - $462.59
$462.59
$462.59 - $462.59
$462.59
Item locally warehoused

100% repairable. Features big compass performance in a compact size with 3" CombiDamp dial, extra lubber lines and DirectiveForce magnets. Exclusiv...

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$462.59 - $462.59
$462.59
$462.59 - $462.59
$462.59
Voyager Compass-Flush Mount, Flat Dial, Black

Voyager Compass-Flush Mount, Flat Dial, Black

$462.59 - $462.59
$462.59
$462.59 - $462.59
$462.59
Item locally warehoused

100% repairable. Features big compass performance in a compact size with 3" PowerDamp flat card, extra lubber lines and DirectiveForce magnets. Exc...

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$462.59 - $462.59
$462.59
$462.59 - $462.59
$462.59
Explorer Flush Mt. Compass, White

Explorer Flush Mt. Compass, White

$239.69 - $239.69
$239.69
$239.69 - $239.69
$239.69
Item locally warehoused

100% repairable. The perfect small powerboat compass. Features a 2-3/4" direct reading dial built-in compensators to easily adjust for deviation, a...

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$239.69 - $239.69
$239.69
$239.69 - $239.69
$239.69
Explorer Flush Mt. Compass, Black

Explorer Flush Mt. Compass, Black

$239.69 - $239.69
$239.69
$239.69 - $239.69
$239.69
Item locally warehoused

100% repairable. The perfect small powerboat compass. Features a 2-3/4" direct reading dial built-in compensators to easily adjust for deviation, a...

View full details
$239.69 - $239.69
$239.69
$239.69 - $239.69
$239.69
Explorer Dash Mt. Compass, Black

Explorer Dash Mt. Compass, Black

$229.39 - $229.39
$229.39
$229.39 - $229.39
$229.39
Item locally warehoused

100% repairable. The perfect small powerboat compass. Features a 2-3/4" direct reading dial built-in compensators to easily adjust for deviation, a...

View full details
$229.39 - $229.39
$229.39
$229.39 - $229.39
$229.39
Navigator Compass, Deck/Binnacle Mount, Flat Dial, Polished SS Finish

Navigator Compass, Deck/Binnacle Mount, Flat Dial, Polished SS Finish

$1,444.99 - $1,444.99
$1,444.99
$1,444.99 - $1,444.99
$1,444.99
Item locally warehoused

100% Repairable 4-1/2" dial with large numerals Built-in compensators to easily adjust for deviation Scientifically matched sapphire jewel and hard...

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$1,444.99 - $1,444.99
$1,444.99
$1,444.99 - $1,444.99
$1,444.99
Supersport® Powerboat Compass

Supersport® Powerboat Compass

$914.59 - $914.59
$914.59
$914.59 - $914.59
$914.59
Item locally warehoused

Designed primarily for power boat dashes. 3-3/4" CombiDial. 4-5/8" to 4-13/16" mounting hole. Vertical mounting angle through 40°. Exclusive 5 year...

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$914.59 - $914.59
$914.59
$914.59 - $914.59
$914.59
Navigator Compass, Bulkhead Mount, Combi Dial, Black

Navigator Compass, Bulkhead Mount, Combi Dial, Black

$1,132.99 - $1,132.99
$1,132.99
$1,132.99 - $1,132.99
$1,132.99
Item locally warehoused

100% Repairable4-1/2" Ritchie CombiDial and built-in inclinometerInternal gimbal systems for maximum stability during adverse pitch and roll condit...

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$1,132.99 - $1,132.99
$1,132.99
$1,132.99 - $1,132.99
$1,132.99
Voyager Compass-Bracket Mount, Combi Dial, Black

Voyager Compass-Bracket Mount, Combi Dial, Black

$451.59 - $451.59
$451.59
$451.59 - $451.59
$451.59
Item locally warehoused

100% repairable. Features big compass performance in a compact size with 3" CombiDamp dial, extra lubber lines and DirectiveForce magnets. Exclusiv...

View full details
$451.59 - $451.59
$451.59
$451.59 - $451.59
$451.59
Voyager Compass-Bracket Mount, Flat Dial, Black

Voyager Compass-Bracket Mount, Flat Dial, Black

$451.59 - $451.59
$451.59
$451.59 - $451.59
$451.59
Item locally warehoused

100% repairable. Features big compass performance in a compact size with 3" PowerDamp flat card, extra lubber lines and DirectiveForce magnets. Exc...

View full details
$451.59 - $451.59
$451.59
$451.59 - $451.59
$451.59
Hi-Performance Compass

Hi-Performance Compass

$1,287.89 - $1,287.89
$1,287.89
$1,287.89 - $1,287.89
$1,287.89
Item locally warehoused

100% repairable. 4-1/2" Card. Provide the ultimate in high-speed performance, accuracy and dependability whether you're on the race course or offsh...

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$1,287.89 - $1,287.89
$1,287.89
$1,287.89 - $1,287.89
$1,287.89
Explorer Bracket Mt. Compass, White

Explorer Bracket Mt. Compass, White

$223.29 - $223.29
$223.29
$223.29 - $223.29
$223.29
Item locally warehoused

100% repairable. The perfect small powerboat compass. Features a 2-3/4" direct reading dial built-in compensators to easily adjust for deviation, a...

View full details
$223.29 - $223.29
$223.29
$223.29 - $223.29
$223.29
Hiperformance Compass White

Hiperformance Compass White

$738.79 - $738.79
$738.79
$738.79 - $738.79
$738.79
Item locally warehoused

100% Repairable. 3-3/4" Dial. Provide the ultimate in high-speed performance, accuracy and dependability whether you're on the race course or offsh...

View full details
$738.79 - $738.79
$738.79
$738.79 - $738.79
$738.79
Explorer Bracket Mt. Compass, Gray

Explorer Bracket Mt. Compass, Gray

$223.29 - $223.29
$223.29
$223.29 - $223.29
$223.29
Item locally warehoused

100% repairable. The perfect small powerboat compass. Features a 2-3/4" direct reading dial built-in compensators to easily adjust for deviation, a...

View full details
$223.29 - $223.29
$223.29
$223.29 - $223.29
$223.29
Explorer Bracket Mt. Compass, Black

Explorer Bracket Mt. Compass, Black

$223.29 - $223.29
$223.29
$223.29 - $223.29
$223.29
Item locally warehoused

100% repairable. The perfect small powerboat compass. Features a 2-3/4" direct reading dial built-in compensators to easily adjust for deviation, a...

View full details
$223.29 - $223.29
$223.29
$223.29 - $223.29
$223.29
Hi-Performance Compass

Hi-Performance Compass

$738.79 - $738.79
$738.79
$738.79 - $738.79
$738.79
Item locally warehoused

100% Repairable. 3-3/4" Dial. Provide the ultimate in high-speed performance, accuracy and dependability whether you're on the race course or offsh...

View full details
$738.79 - $738.79
$738.79
$738.79 - $738.79
$738.79
Venture® Sail Bulkhead Compass

Venture® Sail Bulkhead Compass

$914.19 - $914.19
$914.19
$914.19 - $914.19
$914.19
Item locally warehoused

Designed for boats 16 ft. to 35 ft. 3-3/4" CombiDial. Compensators included. 4-5/8" to 4-13/16" mounting hole. Vertical mounting angle through 40°....

View full details
$914.19 - $914.19
$914.19
$914.19 - $914.19
$914.19
Explorer Surface Mt. Compass, Gray

Explorer Surface Mt. Compass, Gray

$223.29 - $223.29
$223.29
$223.29 - $223.29
$223.29
Item locally warehoused

100% repairable. The perfect small powerboat compass. Features a 2-3/4" direct reading dial built-in compensators to easily adjust for deviation, a...

View full details
$223.29 - $223.29
$223.29
$223.29 - $223.29
$223.29
Explorer Surface Mt. Compass, Black

Explorer Surface Mt. Compass, Black

$223.29 - $223.29
$223.29
$223.29 - $223.29
$223.29
Item locally warehoused

100% repairable. The perfect small powerboat compass. Features a 2-3/4" direct reading dial built-in compensators to easily adjust for deviation, a...

View full details
$223.29 - $223.29
$223.29
$223.29 - $223.29
$223.29
Angler Compass- Surface Mt

Angler Compass- Surface Mt

$197.19 - $197.19
$197.19
$197.19 - $197.19
$197.19
Item locally warehoused

100% repairable. Features a 2-3/4" direct-reading blue dial, internal green night lighting, built-in compensators to easily adjust for deviation, a...

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$197.19 - $197.19
$197.19
$197.19 - $197.19
$197.19
Angler Compass Bracket Mount

Angler Compass Bracket Mount

$197.19 - $197.19
$197.19
$197.19 - $197.19
$197.19
Item locally warehoused

100% repairable. Features a 2-3/4" direct-reading blue dial, internal green night lighting, built-in compensators to easily adjust for deviation, a...

View full details
$197.19 - $197.19
$197.19
$197.19 - $197.19
$197.19
Helmsman Compass-Flush Mt., Combi Dial, Black

Helmsman Compass-Flush Mt., Combi Dial, Black

$643.19 - $643.19
$643.19
$643.19 - $643.19
$643.19
Item locally warehoused

100% repairable 3-3/4" dial Built-in compensators to easily adjust for deviation Scientifically matched sapphire jewel and hardened steel pivot di...

View full details
$643.19 - $643.19
$643.19
$643.19 - $643.19
$643.19
Helmsman Compass-Flush Mt., Flat Dial, Black

Helmsman Compass-Flush Mt., Flat Dial, Black

$643.19 - $643.19
$643.19
$643.19 - $643.19
$643.19
Item locally warehoused

100% repairable 3-3/4" dial Built-in compensators to easily adjust for deviation Scientifically matched sapphire jewel and hardened steel pivot di...

View full details
$643.19 - $643.19
$643.19
$643.19 - $643.19
$643.19