According to the latest information available, the Cofman Beach Access Boat Ramp is located in the state of Missouri, and its coordinates are latitude: 38.25335693 and longitude: -92.73692322. As per the Missouri Department of Conservation, this is a concrete boat ramp that is 14 feet wide and has a total length of 80 feet. It provides access to the Lake of the Ozarks, which is a popular destination for boating, fishing, and other water-based activities.

The Lake of the Ozarks is one of the largest man-made lakes in the United States, and covers an area of over 55,000 acres. It is a popular destination for recreational boating, with a wide range of watercraft allowed on the lake. These include motorboats, sailboats, jet skis, pontoon boats, and other types of recreational watercraft.

Based on available information, it appears that the Cofman Beach Access Boat Ramp is open to all types of watercraft that are permitted on the Lake of the Ozarks. However, it is always best to check with local authorities or the Missouri Department of Conservation for the latest information and any specific regulations or restrictions that may apply to the use of this boat ramp and the watercraft allowed on the lake.