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Garmin Ultrawide GPSMAP 15×3

DATE POSTED:July 21, 2025
Garmin 15x3 chartplotter Garmin’s new ultrawide GPSMAP 15×3. Courtesy Garmin

Garmin has joined the ultra-wide chart-plotter revolution with the new GPSMap 15×3 chart plotter with a 15-inch (diagonal) high-resolution touchscreen display featuring an edge-to-edge glass format that fits a wide range of helm configurations.

The 15×3 screen is 13-5/8 inches wide by 7 11/16 inches tall with 1,920 horizontal pixels and 720 vertical pixels. The ultra-wide aspect ratio means that boating anglers can enjoy the equivalent of dual screens without needing two separate units, making it easier to display and read the data and the applications used most.

With a screen that’s 74 percent wider than a standard 9-inch chart plotter, the 15×3 offers two different mounting options. A bail-mount option with inset knobs and a bracket to support dashtop installations, while a rear-mount option provides secure flush and flat-mount helm solutions.

Garmin has engineered the ultra-wide display for viewing applications side by side. It utilizes sidebar controls that let boaters easily customize and view the data they use most without switching screens.

The new GPSMap 15×3 features built-in sonar systems, including ultra-high-definition ClearVu and SideVu  scanning sonars with high-contrast color palettes to help better distinguish fish from structure. The unit also supports optional Panoptix, LiveScope live sonar and chirp traditional sonar.

In addition, the 15×3 has integrated Garmin Navionics+ mapping with Auto Guidance+ technology and a one-year plan for downloadable daily updates. Boaters can also add Garmin Navionics Vision+ with premium features such as high-resolution relief shading, satellite imagery and more.

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When integrated with a Garmin Force trolling motor, anglers can use the 15×3 to create routes, patterns and tracks for the trolling motor to follow while they fish, and control speed, check battery life and more. Boaters can also view essential engine information such as rpms and fuel flow for compatible engine manufacturers.

The 15×3 also allows for use of Garmin’s EmpirBus digital switching to control lighting, power management and more. In addition, the OneHelm system allows for control of third-party systems and devices. The GPSMap 15×3 carries a suggested retail price of $4,499.99. To learn more, visit garmin.com/marine.

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