The boat ramp named State Highway 260 Clarendon County is located in South Carolina, with its latitude being 33.558815 and longitude being -80.20379639. According to the latest information available, this boat ramp is a concrete ramp that is open to the public. It is approximately 35 feet wide and has a moderate slope.

This boat ramp services Lake Marion, which is a large freshwater lake in South Carolina that covers approximately 110,000 acres. The lake is a popular destination for recreational boating, fishing, and other water activities.

As for the kind of craft that are permitted on the water, there are no specific restrictions mentioned for this particular boat ramp. However, the South Carolina Department of Natural Resources (SCDNR) has regulations in place for different types of watercraft and activities on the water. For example, personal watercraft (PWC) such as Jet Skis are allowed on Lake Marion but must follow SCDNR regulations, including having proper safety equipment and following speed limits and other rules.

In conclusion, the State Highway 260 Clarendon County boat ramp in South Carolina is a concrete ramp that is open to the public, approximately 35 feet wide, and services Lake Marion. Although there are no specific restrictions mentioned for the type of craft permitted on the water, visitors should follow SCDNR regulations for safe and responsible boating.