The Garmin GPSMAP® 8616 with Garmin Navionics+™ delivers a 16" full HD IPS touchscreen, a premium-performance processor, and an expansive suite of built-in sonar capabilities in a chartplotter engineered for serious mariners who demand fast map rendering, broad network integration, and clear visibility in any lighting condition — including through polarized sunglasses.

Specifications:

• 16" full HD in-plane switching (IPS) touchscreen display with wide viewing angles, superior clarity, and sunlight readability even with polarized sunglasses
• Built-in sonar support for CHIRP traditional, ClearVü™ and SideVü™ scanning sonar, Ultra High-Definition scanning sonar (no black box required), LiveScope™ System, and the full line of live sonar products — transducers sold separately
• Preloaded Garmin Navionics+™ coastal charts and inland mapping with Auto Guidance+™ technology — Auto Guidance+ is for planning purposes only and does not replace safe navigation operations
• Support for optional Garmin Navionics Vision+™ premium map content
• Premium-performance processor for fast map drawing, superior networking, and video distribution
• Multiple displays can be flat-mounted edge-to-edge for a glass helm appearance or installed flush-mounted
• NMEA 2000® networking and Garmin Marine Network compatibility for connecting sonar, radar, autopilots, instruments, cameras, and multimedia across multiple screens
• ANT® connectivity and Wi-Fi® networking for pairing with compatible quatix® smartwatches, gWind™ Wireless 2 wind sensor, and other compatible devices
• SmartMode™ station controls provide one-touch preset access for docking, cruising, fishing, anchoring, and more
• OneHelm™ feature enables full boat control through the chartplotter screen via many compatible third-party devices
• Built-in Garmin SailAssist™ features deliver data, dedicated displays, and prerace guidance for competitive sailors
• SmartCraft® Connect gateway compatibility displays RPMs, fuel flow, temperature, trim, and more for up to four compatible Mercury® engines
• ActiveCaptain® app integration (free, via Wi-Fi®) for trip planning, prefishing preparation, and map purchasing, downloading, and updating from a smartphone or tablet