After conducting research, I was unable to find any information or official documentation regarding a boat ramp named Pointe South Drive in Randolph County, Alabama. It is possible that this boat ramp may be a privately-owned and maintained facility or a recent addition to the area.

Without any reliable sources to confirm the specifics of Pointe South Drive boat ramp, it is impossible to provide accurate information about its size, location, and permitted watercraft. However, it is common for boat ramps in Alabama to service a variety of water bodies, including lakes, rivers, and reservoirs and accommodate various types of boats, including motorboats, canoes, kayaks, and sailboats.

Overall, it is important to rely on official sources of information when seeking details about boat ramps or any other facilities in order to ensure accuracy and safety when utilizing these resources.