Based on the latest information available, the Fourth Street 22 boat ramp in Old Town, Maine is a concrete boat ramp that provides access to the Stillwater River. It is approximately 20 feet wide and can accommodate small to medium-sized boats. The Stillwater River is a popular spot for fishing and boating, and there are no specific restrictions on the type of watercraft allowed on the river. However, it is important to note that boaters are required to adhere to all state and local boating regulations, including licensing and safety requirements. Overall, the Fourth Street 22 boat ramp provides a convenient and accessible entry point for boaters looking to explore the Stillwater River and its surrounding area.