See all essential data on a sleek, high-resolution color display with the intuitive GMI 40 from Garmin

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Garmin (NYSE: GRMN) introduced the GMI 40, a modern multipurpose marine instrument with a 4.3-inch, high-resolution color LCD touchscreen designed to display real-time boating data in a clean, easy-to-read format. The device integrates with onboard electronics via NMEA 2000 and Garmin BlueNet networks and supports wireless connectivity with gWind sensors, marine remotes and quatix smartwatches.

According to Garmin, the GMI 40 can be purchased standalone or in bundles that add wind, depth, speed and temperature sensors. The instrument is available now at a suggested retail price of $599.99, with bundles ranging from $1,099.99 to $1,899.99.

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Modern multipurpose marine instrument seamlessly integrates with other Garmin onboard electronics to keep mariners informed in real time

OLATHE, Kan., Sept. 1, 2026 /PRNewswire/ -- Garmin (NYSE: GRMN), the world's largest¹ and most innovative marine electronics manufacturer, today unveiled the GMI^™ 40 multipurpose marine instrument that displays live boating insights in an easy-to-read format. Boasting a modern, streamlined design that complements Garmin GPSMAP^® chartplotters, the device has an intuitive touchscreen interface with edge-to-edge glass on a 4.3-inch, high-resolution, color LCD display. The touchscreen optimizes space for a clear, uninterrupted view of instrumentation data, keeping sailors, cruisers and coastal anglers informed throughout the trip. 

"Whether sailing, fishing the coast or cruising for the weekend, you need a compact instrument that's simple to operate and fits cleanly at the helm. Our new GMI 40 delivers that and more with a modern display that networks seamlessly across Garmin's marine products, putting the real-time data you rely on in one place." — Susan Lyman, Garmin Vice President of Global Consumer Sales & Marketing

Smooth integration

The cutting-edge GMI 40 integrates with compatible devices on board via the NMEA 2000^® network and the Garmin BlueNet^™ network. The powerful marine instrument also has wireless connectivity with gWind^™ wireless sensors, marine remote controls and Garmin quatix^® marine smartwatches, allowing for easy sharing of data.

Mariners can also keep their GMI 40 software up-to-date via the free, all-in-one ActiveCaptain^® app on their compatible smartphone. When upgrading from the GMI 20, users can purchase an adapter plate to easily install the GMI 40 into the existing cutout in the dash.

Upgraded data options

Mariners can purchase the GMI 40 on its own, or as part of an exciting bundle to receive enhanced wind and water information. Bundle options include a gWind^™ wired or wireless transducer, which provides a three-bladed anemometer for more accurate wind speed and a twin-fin design for a more stable True Wind Angle (TWA). Boaters can also opt to receive more detailed data below the surface by including a DST820 thru-hull smart transducer or GDT^™ 43 transducer (depth and temperature) and GST^™ 43 (speed/temperature) transducer with their bundle.

The GMI 40 marine instrument is available now with a suggested retail price of $599.99. The GMI 40 bundles range from $1,099.99 to $1,899.99. To learn more, visit garmin.com/marine.

Engineered on the inside for life on the outside, Garmin products have revolutionized life for anglers, sailors, mariners and boat enthusiasts everywhere. Committed to developing the most innovative, highest quality, and easiest to use marine electronics the industry has ever known, Garmin believes every day is an opportunity to innovate and a chance to beat yesterday. For the 11th consecutive year, Garmin was named the Manufacturer of the Year by the National Marine Electronics Association (NMEA). Visit the Garmin Newsroom, email our media team, connect with @garminmarine on social, or follow our blog.  

¹Based on 2025 sales.

About Garmin: Garmin International, Inc. is a subsidiary of Garmin Ltd. (NYSE: GRMN). Garmin Ltd. is incorporated in Switzerland, and its principal subsidiaries are located in the United States, Taiwan, and the United Kingdom. Garmin, GPSMAP NMEA 2000, quatix and ActiveCaptain are registered trademarks, and GMI, BlueNet, gWind, GDT, and GST are trademarks of Garmin Ltd., or its subsidiaries.

All other brands, product names, company names, trademarks and service marks are the properties of their respective owners. All rights reserved.

Notice on Forward-Looking Statements:

This release includes forward-looking statements regarding Garmin Ltd. and its business. Such statements are based on management's current expectations. The forward-looking events and circumstances discussed in this release may not occur and actual results could differ materially as a result of known and unknown risk factors and uncertainties affecting Garmin, including, but not limited to, the risk factors listed in the Annual Report on Form 10-K for the year ended December 27, 2025, filed by Garmin with the Securities and Exchange Commission (Commission file number 0-31983). Copies of such Form 10-K are available at https://www.garmin.com/en-US/investors/sec/. No forward-looking statement can be guaranteed. Forward-looking statements speak only as of the date on which they are made and Garmin undertakes no obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future events, or otherwise.

MEDIA CONTACTS:
Mike Cummings and Carly Hysell
913-397-8200
media.relations@garmin.com

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SOURCE Garmin International, Inc.

FAQ

What is the Garmin (GRMN) GMI 40 marine instrument announced on September 1, 2026?

The GMI 40 is a 4.3-inch, high-resolution color touchscreen marine instrument displaying real-time boating data. According to Garmin, it offers a modern, edge-to-edge glass design, intuitive interface and integration with other Garmin marine electronics for sailors, cruisers and coastal anglers.

How much does the Garmin GMI 40 cost and what are the GRMN bundle prices?

According to Garmin, the GMI 40 has a suggested retail price of $599.99. Bundled packages that can include gWind wind sensors and depth, speed and temperature transducers range from $1,099.99 to $1,899.99, offering expanded on-water data capabilities.

What connectivity and integration features does the Garmin (GRMN) GMI 40 offer for boaters?

The GMI 40 connects via NMEA 2000 and Garmin BlueNet networks to compatible onboard devices. According to Garmin, it also supports wireless links to gWind wireless sensors, marine remote controls, quatix smartwatches and software updates through the free ActiveCaptain smartphone app.

What sensor bundle options are available with the Garmin GMI 40 for GRMN customers?

Garmin offers GMI 40 bundles with gWind wired or wireless transducers for wind data. According to Garmin, boaters can also add DST820 thru-hull smart transducers or GDT 43 and GST 43 units to capture depth, speed, temperature and more detailed underwater information.

Can Garmin (GRMN) GMI 20 users easily upgrade to the new GMI 40 instrument?

Yes, GMI 20 owners can upgrade using an adapter plate to fit the existing dash cutout. According to Garmin, this allows an easier transition to the GMI 40’s high-resolution display and expanded networking features without major helm modifications.

How can Garmin (GRMN) GMI 40 software be updated and maintained by boaters?

GMI 40 software can be updated via the free ActiveCaptain app on a compatible smartphone. According to Garmin, wireless connectivity lets mariners keep the instrument current, helping ensure access to the latest performance improvements and feature enhancements while on shore or onboard.