1. Garmin GPSMAP 78sc Waterproof Marine GPS and Chartplotter (Click Link to Check Price on Amazon)
Editor's Rating : 9.7 out of 10
Marine-friendly handheld with high-sensitivity GPS receiver and 2.6-inch color TFT displayPerfect for boating/watersports--waterproof to IPX7 standards

2. Magellan eXplorist 310 Fishing Hot Spots Bundle (Click Link to Check Price on Amazon)
Editor's Rating : 9.2 out of 10
The World Edition includes detailed road network, water features, urban and rural land useBrilliant, Sunlight Readable Color Screen.A vibrant 2.2" color transflective screen provides the best readability in direct sunlight

3. Garmin GPSMAP 78 2.6-Inch Marine GPS Navigator and Worldwide Chartplotter (Click Link to Check Price on Amazon)
Editor's Rating : 9.2 out of 10
Built-in memory: 1.7 GBDisplay resolution, WxH: 160 x 240 pixels

4. MiluoTech 16x52 Dual Focus Monocular Telescope, Optics Zoom Monocular Scope for Hunting, Camping, Wildlife, Birdwatching, Surveillance (Click Link to Check Price on Amazon)
Editor's Rating : 9.8 out of 10
Multicoated optics guarantee superior light transmission and brightness.Dual focus capability (front and back adjustable zoom).

5. G-PORTER GP-102+ Multifunction GPS Device/ Data Logger (blue) (Click Link to Check Price on Amazon)
Editor's Rating : 9.4 out of 10
G-PORTER offers a variety of sport modes to make evaluations with different analysis programs. Recorded routes can be displayed on Google MapsGP-102+ is a portable GPS Locator device used for returning to a previously marked outdoor spot. Position finder/Barometric Altimeter/ Digital compass/ GPS-sync. clock/ Weather station/ Pedometer/ Barometer/ Thermometer/ Speedometer/ GPS Data logger/ USB GPS Receiver (G-mouse)/ Gradienter/ Geotag Photos.48 track verification channels. SIRF-IV low power chipset. Built in rechargeable battery for 17-20 hrs operation. Flash memory for up to 300.000 way points.