Garmin - GPS 73 Floating Handheld Gps

 
This easy-to-use handheld is the perfect navigational solution for boats, sailboats or small watercraft that do not have a chartplotter. Its also ideal as an important emergency navigation backup for all vessels. It's high-sensitivity GPS marks and stores 1,000 waypoints and 100 tracks so you can navigate right back to them. Use on land or water - it floats! Features SailAssist, including virtual starting line, heading line, countdown timers and tack assist.
 
High-sensitivity GPS receiver

Marks and stores 1,000 waypoints and 100 tracks

Marks your favorite locations to easily navigate back to them

Garmin SailAssist™ for GPS 73 includes virtual starting line, heading line, countdown timers and tack assist

Sunrise/sunset, estimated time of arrival, other calculations and marine data

Built-in backlight