Become very familiar with the water you're going to fish at night while it's daylight. GPSing it in the daylight is a great way of keeping your boat off the dirt but doesn't help avoid logs, loose jets skis, flocks of 18 lb geese, and unlighted boats. You can slow down and should in the dark. A bright spotlight or flashlight and horn close at handle can be great for alerting others of your presence while you're fishing. I have LEDs 360 degrees on my boat for dock & bank fishing but they're only running when the trolling motors deployed. When other boats are running bright lights that overpower the Nav lights it's difficult to tell what direction they're traveling. I assume every boater that I cross paths with is a drunk 14 year old and that's kept me safe for over 25 years.