If you've ever found yourself cursing into the dark because your boat's power systems can't keep your cabin lit for a single night without a genset running, you need an LED lighting conversion! Efficient lighting is so important that it's actually the first thing you should do before you start looking at adding gensets, solar panels, and wind generators. And if you already have those systems, LED lighting can enhance their effectiveness by nearly and order of magnitude!
Harbor Geek knows this because he spent 7 seasons - nearly three years worth of days - living aboard on the hook and off the grid. He's tried the stuff that works and the stuff that doesn't, and he knows his LEDs!
If you've looked at commercial retrofit options, you'll have noticed a few unpleasant things: