The invention relates to an inflatable device capable of acting as a glide medium for at least one person, which can in particular be used for bodyboard devices for gliding over water or snow. The device includes at least one first bag (1) made of a flexible material, having a means (2) for feeding a fluid therein and capable of being inflated by said fluid, at least one stabilization means (3) connected to the first bag and capable of being arranged between or rigidly connected to the upper portion of the legs of a person, and means (5, 6) for positioning the hands, preferably arranged on the first bag (1). Thus, the proper stabilization of the device beneath the person during a gliding phase is ensured.