Gangplank is a 309 slip marine facility located in the protected waters of the Washington Channel within walking distance of the Washington Monument. This facility provides a distinctive venue for local and transient boaters seeking the best of all worlds - the luxury of a boater's life and the proximity to the cosmopolitan attractions of the nation's capital. It's the perfect on-the-Potomac escape, whether for a week, a season or for a lifetime. Professionally managed by Coastal Properties Management, Inc.