chris give both baltimore marine center and anchorage marina in baltimore a call. this is the time of year a bunch of snow birds start heading south. they typically rent oot their slips at around 250 a month. i know bmc has one parking spot but parking n the area is not too bad ( walk a block or so for parking ). there is a safeway and a west marine right there. infact call the west marine on boston street in baltimore they have a board where a lot of slips are listed and mutlible people who work there live in either marina.
the area is nice, and pretty safe.