RedactedNarrative: Ranger received report of boat accident, property damage only (no injury) from glen canyon communications center.  Upon arrival at antelope point marina both vessels and operators were on scene (and cooperative).  Both parties provided the same account of the happenings.  Vessel 2 was moored in a temporary slip at the marina. Vessel 1 was attempting to navigate in the area and was unable to maintain control and direction of the vessel and impacted vessel 2 causing damage to vessel 2.  Vessel 1 incurred minor damage.  An aramark representative was on scene to document the incident and damage to the rental vessel.  At the time of the accident the weather conditions did not affect the operation of either vessel.  The operator of vessel 1 stated that he was inexperienced and was unable to maneuver the vessel appropriately to avoid a collision.  The operator of vessel 1 stated that he did not have experience operating a vessel and was renting while on vacation.