According to the latest information available, the boat ramp named Harris Neck Road 7223 located in Townsend, Georgia is a single-lane boat ramp that provides access to the Harris Neck Wildlife Refuge and the South Newport River. The ramp is approximately 12 feet wide and has a gentle slope that makes it easy for boats to launch and retrieve. The body of water that this ramp services is the South Newport River, which is a tidal river that flows into St. Catherine's Sound.

As for the types of craft that are permitted on the water, the Harris Neck Wildlife Refuge states that the river is suitable for small to medium-sized boats and canoes. Motorized boats with a maximum horsepower of 25 are allowed on the river, but airboats, jet skis, and other high-speed watercraft are not permitted. The refuge also advises that boaters should be aware of the tides and currents in the area, as well as any potential navigational hazards such as submerged stumps or sandbars.

In summary, the Harris Neck Road 7223 boat ramp in Georgia is a single-lane ramp that provides access to the South Newport River, which is suitable for small to medium-sized boats and canoes with a maximum horsepower of 25. Boaters should be mindful of the tides, currents, and potential hazards in the area.