GARMIN GPSMAP 420S W/O transducer
 

You will never get lost with this unit. I dare you ,go as far of shore as you want and cruise the deep water were the big fish roam.   

Standard configurations includes.  GPSMAP 420s, internal GPS antenna, tilt/swivel mount with knob, protective cover, power/data cable, crimp connectors, owner's manual and quick reference guide.