Cast off confidently with the GPSMAP® 79s marine GPS handheld. This rugged, floating handheld features a sunlight-readable, high-resolution color display that is fogproof and scratch-resistant. You get access to a range of satellite constellations, so you get more reliable, accurate tracking around the world. Navigate wherever your adventures take you with the worldwide basemap. With more memory than previous models, you can save and track 10,000 waypoints and 250 routes. Keep your bearings with the built-in compass. See more

Battery life: up to 20 hours in GPS mode. Barometric altimeter tracks changes in pressure to pinpoint your precise altitude. Built-in 3-axis tilt-compensated electronic compass shows heading while standing still. Includes worldwide basemap. Supports multiple satellite constellations (GPS, GLONASS, Beidou, Galileo, QZSS and SBAS) for reliable tracking around the world. Increased memory to save and track 10,000 waypoints, 250 routes and 300 fit activities. Rugged, floating, water-resistant (IPX6 — unit level only) handheld GPS with a high-resolution color display and scratch-resistant, fogproof glass.