The boat ramp named Lake Washington Boulevard South 3800 is a public boat launch located in Seattle, Washington. It is a single lane concrete ramp that is approximately 28 feet wide and includes a small parking lot for vehicles and trailers.

This boat ramp services Lake Washington, which is a large freshwater lake in the Seattle metropolitan area. The lake is approximately 22 miles long and up to 214 feet deep, making it a popular destination for boating, fishing, and other water activities.

According to the latest information available, a variety of watercraft are permitted on Lake Washington, including power boats, sailboats, kayaks, and canoes. However, certain restrictions may apply depending on the size and type of vessel, as well as any local regulations or laws.

Overall, Lake Washington Boulevard South 3800 is a well-maintained boat ramp that provides easy access to one of Seattle's most popular bodies of water. Boaters and water enthusiasts can use this ramp to launch their vessels and enjoy all that Lake Washington has to offer.