Abstract: A water and/or touch activated aquatic light, comprising: a watertight encasing; a battery mounted inside the encasing; a lamp mounted on and/or in the encasing; a pair of electrodes exposed on the exterior; an electronic switch responsive to current flowing through a conductive liquid path between said electrodes; and wherein the watertight encasing is sized and shaped so that the aquatic light floats, sinks, and/or has a neutral buoyancy and is to be used in an aquatic environment where in it may be used as a flashlight, a bait light, a dive light, a lure light, etc.