The Olympic Discovery Trail boat ramp in Sequim, Washington is a public boat launch that provides access to the Sequim Bay. According to the latest information available, the ramp is 16 feet wide and can accommodate boats up to 20 feet in length.

The boat ramp is located at latitude: 48.04328537 and longitude: -123.02845764, and is situated within the Sequim Bay State Park. The body of water it services is the Sequim Bay which is a saltwater inlet that connects to the Strait of Juan de Fuca.

Various kinds of watercraft are permitted on the Bay, including powerboats, sailboats, kayaks, and canoes. However, the specific rules and regulations regarding boating on the Bay may vary, and it is advisable to check with the local authorities or the Washington State Park's website for the latest information.