A watercraft light, light housing, and method of installation is disclosed herein. The watercraft light comprises at least one light disposed in a unitary longitudinally extending housing having a first side and a second side. The first side of the housing comprises an outwardly extending portion configured to be placed into a rub rail track between separate sections of a rub rail bumper and to hold the at least one light substantially therein. The second side of the housing is configured to transfer light and comprises longitudinally extending portions that extend beyond each of the longitudinal ends of the outwardly extending portion of the first side. The watercraft light comprises a connector configured to connect and hold the watercraft light to the watercraft.