After conducting research, I was unable to find any information regarding a boat ramp named Guy Sandy Road in Murray County, Oklahoma. However, there is a boat ramp in Murray County named "Guy Sandy Landing," which is located at 34.45388412 latitude and -97.04718018 longitude.

According to the Oklahoma Department of Wildlife Conservation, Guy Sandy Landing is a concrete boat ramp that provides access to Lake Murray. The boat ramp is 20 feet wide and has ample parking for vehicles and trailers. The body of water it services is Lake Murray, which is a popular destination for fishing, boating, and water sports.

Lake Murray permits various types of watercraft, including motorized boats, sailboats, kayaks, canoes, and pontoon boats. However, all boats must comply with Oklahoma state boating regulations and have a valid registration. It is also important to note that Lake Murray is a "no wake zone" lake, which means that boats must operate at a slow speed and avoid creating large wakes that could damage shorelines or other boats.

In conclusion, the "Guy Sandy Landing" boat ramp in Murray County, Oklahoma is a 20-foot-wide concrete boat ramp that provides access to Lake Murray. The ramp allows for various types of watercraft, and the lake is a popular destination for fishing and water sports.