Thompson Boat Center - Public facility on the Potomac River near Georgetown that offers rowing, canoeing, kayaking and biking instruction, rentals and storage. - http://www.thompsonboatcenter.com/
James Creek Marina - Full service marina, located near the heart of downtown Washington, D.C. - http://www.jamescreek.com
The Capital Yacht Club - The marina consists of both floating and fixed docks, and can accommodate vessels from weekend cruisers to large vessels up to 220 feet. - http://www.capitalyachtclub.net/