The 14th Avenue Northwest boat ramp is located in Seattle, Washington with a latitude of 47.66083527 and a longitude of -122.37349701. It is a public boat ramp that is operated by the Seattle Parks and Recreation Department.

According to the latest information available, the 14th Avenue Northwest boat ramp is a single lane concrete ramp that is approximately 20 feet wide. It provides access to the waters of the Puget Sound, specifically Salmon Bay, which is a popular spot for recreational boating and fishing.

The boat ramp is suitable for small to medium-sized watercraft such as kayaks, canoes, and powerboats up to 20 feet in length. However, it is important to note that there are no docking facilities or moorage options available at this location, so boaters will need to make alternative arrangements if they plan to leave their boats in the water for an extended period of time.

Overall, the 14th Avenue Northwest boat ramp is a convenient option for boaters who are looking to launch their watercraft in Seattle's Salmon Bay area. Its relatively small size and limited facilities make it best suited for smaller boats and shorter trips, but it remains a popular destination for local boaters and visitors alike.