Based on the latest information available, the Bolles Harbor Boat Launch in Michigan is a concrete boat ramp that is 20 feet wide. It provides access to the western end of Lake Erie, specifically Bolles Harbor, which is a popular destination for boating and fishing. The boat launch is managed by the Monroe County Parks and Recreation Department and is open to the public.

The water at Bolles Harbor Boat Launch is suitable for a variety of watercraft, including powerboats, sailboats, and personal watercraft such as jet skis. However, it is important to note that all boats must comply with local regulations and laws, including safety equipment requirements and speed limits.

Overall, the Bolles Harbor Boat Launch is a convenient and well-maintained facility that provides easy access to Lake Erie for boaters and anglers alike. Its location and amenities make it a popular destination for those looking to enjoy the natural beauty and recreational opportunities of Michigan's waters.