Best Marine GPS Units Chartplotters Deals of Oct 2026
Updated October 29, 2026Our site contains affiliate links for which we may be compensated.
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#1 Winner
Marine-friendly handheld with high-sensitivity GPS receiver and 2.6-inch color TFT display
Perfect for boating/watersports--waterproof to IPX7 standards; floats in water
Built-in BlueChart g2 U.S./Bahamas coastal charts with shorelines, depth contours, navaids, harbors, marinas, and more
Built-in 3-axis tilt-compensated electronic compass and barometric altimeter for heading/altitude/weather
Rugged, floating, water-resistant (IPX6 — unit level only) handheld GPS with a high-resolution color display and scratch-resistant, fogproof glass.Special Feature:Designed to Float; Accurate Tracking; Increased Memory; Built-in Compass; BlueChart Coverage.Water Resistant: Yes
Increased memory to save and track 10,000 waypoints, 250 routes and 300 fit activities
Supports multiple satellite constellations (GPS, GLONASS, Beidou, Galileo, QZSS and SBAS) for reliable tracking around the world
Includes preloaded BlueChart g3 coastal charts
SHADED RELIEF: Bring the world around you to life, with 3D rendered land and underwater elevation – including areas of Ultra-High-Res Bathymetric imagery – a game-changer for anglers and divers.
FULL-FEATURED VECTOR CHARTS: Making navigation easy by giving you accurate, up-to-date vector chart detail derived from official Hydrographic Office information.
HIGH-RES BATHY: Helps you identify shallow areas, drop-offs, ledges, holes or humps. Now includes compiled and quality-controlled Genesis detail as part of singular HRB layer.
CUSTOM DEPTH SHADING: Set a clear safety depth, maintain a paper-like view or create your own custom shading.
Voltage Compatibility: This replacement part operates at 12V DC to match the electrical requirements of the marine GPS system.
Protocol Compatibility: Designed to interface with GPSMAP NMEA 0183 GPS receivers using the NMEA 0183 communication standard.
Baud Rate Specification: Supports 4800 baud data transmission rate as required by the NMEA 0183 interface specification.
System Compatibility: Functions as a replacement component compatible with Raymarine systems utilizing NMEA 0183 protocol.
FULL- FEATURED VECTOR CHARTS: Making navigation easy by giving you accurate, up-to-date vector chart detail derived from official Hydrographic Office information
HI-RES BATHYMETRY LAYER - Helps you identify shallow areas, drop offs, ledges, holes or humps. Now includes the very best of C-MAP HRB data, with integrated Genesis social map data
SUBSCRIPTION-FREE AUTOROUTING - Automatically plot the shortest, safest route based on detailed chart data and your personalized vessel information
SHADED RELIEF: Bring the world around you to life, with 3D rendered land and underwater elevation – including areas of Ultra-High-Res Bathymetric imagery – a game-changer for anglers and divers
ULTRA-WIDE COVERAGE: Our largest geographical coverage, without compromising on chart quality
FULL-FEATURED VECTOR CHARTS: Making navigation easy by giving you accurate, up-to-date vector chart detail derived from official Hydrographic Office information
HI-RES BATHYMETRY LAYER: Helps you identify shallow areas, drop offs, ledges, holes or humps. Now includes the very best of C-MAP HRB data, with integrated Genesis social map data
SUBSCRIPTION-FREE AUTOROUTING: Automatically plot the shortest, safest route based on detailed chart data and your personalized vessel information
10 Marine GPS Units Chartplotters deals are available from: Amazon, starting from $63.55.
The biggest discount we found is 20% on Garmin 18x LVC GPS Navigator Unit (010-00321-36) at Amazon.
The lowest price we found is $63.55 while the highest is $799.95. Prices for the best Marine GPS Units Chartplotters deals average at $290.93.
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