Based on the latest information available, the North Co Road 300 East boat ramp in Sullivan, Indiana is a concrete boat ramp that is suitable for small to medium-size watercraft. The ramp is approximately 24 feet wide, which provides ample space for launching and retrieving boats.

The North Co Road 300 East boat ramp provides access to Sullivan Lake, which is a small and scenic lake that covers an area of around 200 acres. The lake is used for a variety of recreational activities, including boating, fishing, and swimming.

As per the regulations of the Indiana Department of Natural Resources, the types of watercraft permitted on Sullivan Lake include motorized boats, canoes, kayaks, and sailboats. However, the use of personal watercraft such as jet skis is not allowed on the lake.

In conclusion, the North Co Road 300 East boat ramp in Sullivan, Indiana is a concrete boat ramp that is around 24 feet wide. It provides access to Sullivan Lake, which is suitable for small to medium-sized watercraft such as motorized boats, canoes, kayaks, and sailboats.