Based on the latest information available, the Shady Lake Boat Ramp is located in Washington state at latitude 47.42831421 and longitude -122.10683441. It is a concrete boat ramp that provides access to Shady Lake. The ramp is approximately 20 feet wide, which is wide enough to accommodate most small watercraft.

Shady Lake Boat Ramp primarily services Shady Lake, which is a small body of water located in the city of Auburn, Washington. The lake covers an area of about 50 acres and is popular for recreational activities such as fishing and boating.

As for the kind of craft that are permitted on the lake, motorized boats are allowed, but there are restrictions in place to ensure the safety of all users. Boats with engines exceeding 10 horsepower are not allowed on the lake, and there is a 5 mph speed limit in effect. Additionally, there are rules in place regarding noise levels, safety equipment, and other factors to ensure that everyone can enjoy the lake safely and responsibly.

Overall, the Shady Lake Boat Ramp provides a convenient and accessible way for boaters and anglers to access this small but popular body of water in Washington state.