Here's the channel: https://www.youtube.com/channel/UCDXl6X0c1eBWMOnlz_Tbp1w
The first thing I would do is jump on all the videos in that channel, get yourself familiar with all your options, including courtesy lights, wall lights, underwater lights and so on. Then I would head over to our webstore, and check out the selection of boat lights you can purchase. You can compare prices, check color options, even select the type of bevel your light has. There's no limit to what you can do.
Don't forget to check out the facebook page of this wonderful company, Atlantic Marine. They can provide with yacht lights purchasing advice from A-Z. There is no stupid questions, and there is no job too small! Converting to 12 volt LED lights is simple with just a little help from our friends here:
https://www.facebook.com/pages/Atlantic-Marine-Electrical-Services-Inc/127559746906
Twitter? Even better, our professionals can tweet you about your marine lighting setup:
https://twitter.com/atlanticmarine1