RegattaCentral

The two hotels that are closest (each roughly 2 miles) to the Anacostia Community Boathouse are the Capitol Hill Hotel (http://capitolhillhotel-dc.com/) and the Courtyard (Marriott) Washington Capitol Hill/Navy Yard (http://www.marriott.com/hotels/travel/wasny-courtyard-washington-capitol-hill-navy-yard/).  Use the address 1900 M Street SE for the boathouse if you want to map the routes.