The gangplank marina slipholders association and the port of washington yacht club (located at gangplank marina) will sponsor the 6th boat-home tour to welcome curious visitors interested in taking a look inside one of dc's most unique communities.. On saturday, october 7, gangplank marina, the largest live-aboard marina on the east coast, opened its doors to the public with its fifth semi-annual houseboat tour. located in washington, d.c. †
