In the AZ (southern) section of Lake Powell. There is a marina here, food and other facilities (no camping). There are not any official swim beaches at Antelope. However, There is a nice unofficial swimming place as shown in this video: YOUTUBE . All swimming is at your own risk, there are no life guards on duty. This is near Page in north central Aston get directions, look for ANTELOPE POINT on the map on the NRA WEB SITE or use these coordinates. LAT, LON: lat=36.96351, lon=-111.44128 source: