The poker laws are harsh, the live poker scene is non-existent and it does not seem to be getting any better. Online poker and home games are your only options, although both are probably considered illegal in Maryland.
Maryland Gambling Laws
The gambling laws are fairly tough in the state of Maryland. If someone places a bet, wager or gamble they will be guilty of a misdemeanor. You can get 6 - 12 months in jail and/or a $200 - $1000 fine if convicted. Also, there is nothing in the statue and code that says home games or online poker is allowed.
Where to play live poker in Maryland
If you are planning of playing live poker in Maryland, than you have to set up your own home poker game. There are no licensed poker rooms in the entire state.