Marine LED Courtesy Lighting. Apex Lighting sells a large selection of high quality LED courtesy lights for boats, yachts, and other marine vessels. Our marine LED courtesy lights offer safe passage through boat walkways and stairs, while at the same time creating a warm and comfortable atmosphere. Accent the interior of your boat or yacht with LED courtesy lighting that provides bight and clean lighting. Adding LED boat lights to your marine vessel’s interior saves you money through the long life and high efficiency of LED lighting. LED marine courtesy lights from Apex Lighting can also be combined to create special lighting modes. Don’t let your boat or yacht go without these versatile LED courtesy lights. LED Marine Lights.