Based on the latest information available, the Island Pond boat launch is located in Derry, New Hampshire, and it services Island Pond. The ramp is a concrete boat launch with a single lane, and it is approximately 12 feet wide. The body of water it services is a small pond, which is suitable for small watercraft such as canoes, kayaks, and small fishing boats. However, there are no specific restrictions on the type of craft that are permitted on the water.

It's important to note that the information regarding the width of the ramp may vary based on the source of information. However, the general consensus is that the ramp is sufficient for small boats and watercraft. Additionally, it's always recommended to check with local authorities and the latest regulations to ensure that the ramp is suitable for your specific needs.