A device support for the passenger area of a recreational boat having a deck and interior side walls extending up from the deck, including a clamping plate and a support arm. The clamping plate has an open top slot and is secured to the boat side wall so as to define an open top space between the clamping plate and the boat side wall. The support arm has a base plate on one end and an attachment end on the other end, with the base plate removably received in the defined open top space with the support arm one end extending through the open top slot of the clamping plate. The supported device is secured to the attachment end of the support arm, and the support arm is non-linear, with one end extending generally horizontally and the other end extending generally vertically.