There is a grasping device for a mast buoy comprising a body, at least one loop coupled to the body, and at least one locking element for locking the body to a shaft of a mast buoy. The grasping device can also optionally be coupled to a light such as a remote controlled light which can be turned on remotely using a switch and wireless communication. The grasping device can also include a telescoping body, adjustable loops, an annunciator, and a locating system as well. There can also be an optional solar panel coupled to the grasping device which can be used to charge a battery to provide power to a light.