If you're a devoted mariner or serious outdoor enthusiast, the Garmin GPSMAP 76s Handheld GPS Unit is the GPS and mapping unit for you.

The 's' in the product name stands for sensors because the GPSMAP 76s incorporates a GPS receiver, barometric altimeter and an electronic compass that deliver precise location, elevation and bearing information to take adventurers as high or as far as they want to go.

The unit also contains a basemap of North and South America, including major highways, thoroughfares, rivers, lakes and borders with plenty of memory (24 MB) for downloading MapSource data.

It's also waterproof and floats in water — and its larger screen, increased readability, bigger buttons and rugged design make this unit at home in even the harshest conditions.

Package includes:

• GPSMAP 76s receiver
• Basemap: Americas Highway or Atlantic Highway or Pacific Highway
• PC cable
• Wrist strap
• Owner's manual
• Quick reference card