According to the latest information available, the boat ramp named Winnisquam Avenue 21 in Laconia, New Hampshire is a concrete boat ramp that is 24 feet wide. It services Lake Winnisquam, which is the fourth-largest lake in New Hampshire, covering an area of 4,214 acres. The boat ramp is open to all types of watercraft, including power boats, canoes, kayaks, and sailboats. However, it is important to note that all boats must comply with the New Hampshire boating regulations, including registration and safety requirements. Overall, Winnisquam Avenue 21 boat ramp provides convenient access to one of the most popular recreational lakes in the state and is a great spot for boaters to launch their watercraft and enjoy a day on the water.