According to the latest information available, the boat ramp named McDonald Street is located at 1098-1198 McDonald St, Elkhart, Indiana. It is a concrete boat ramp that provides access to the St. Joseph River. The ramp is approximately 20 feet wide and has a gradual slope into the water.

The St. Joseph River is a popular destination for boating and fishing in the Elkhart area. The river is approximately 210 miles long and flows through Michigan and Indiana before emptying into Lake Michigan. The McDonald Street boat ramp is located on the river just upstream of the Elkhart Dam, which forms the popular Elkhart Riverwalk.

The waterway is suitable for a range of watercraft including canoes, kayaks, small motorboats, and fishing boats. However, due to the narrowness of the river in some areas, larger boats may have difficulty navigating certain stretches of the river.

In summary, the McDonald Street boat ramp in Elkhart, Indiana is a concrete boat ramp that provides access to the St. Joseph River. It is approximately 20 feet wide and suitable for a range of watercraft including canoes, kayaks, small motorboats, and fishing boats.