Based on the latest information available, the Spirit Lake boat ramp in Minnesota is a concrete boat ramp that is approximately 14 feet wide and has a gradual slope. This boat ramp provides access to Spirit Lake, which is a 487-acre lake located in Aitkin County. Spirit Lake is known for its clear waters and is popular for fishing, boating, and swimming.

According to the Minnesota Department of Natural Resources, motorized watercraft are permitted on Spirit Lake, including boats with gasoline or electric motors. However, watercraft with a greater horsepower rating than 25 are prohibited on the lake. Additionally, jet skis, wave runners, and similar personal watercraft are not allowed on Spirit Lake.

It is important to note that regulations and restrictions can change, and it is recommended to check with local authorities for the latest information before planning a boating trip to Spirit Lake.