So is Maryland--often derided as "The People's Democratic Republic of Maryland" for its near-monopoly of the tax-friendly Democratic Party--really that tax-greedy when it comes to alcoholic beverages?
Decide for yourself.
The Tax Foundation (insert your chosen rant about it being "right-wing" or "left-wing"), in conjunction with the Distilled Spirits Council of the United States, released this map portraying the relative tax rates on one 12-ounce average commercial serving of a can or bottle of beer, including (in the case of Maryland, Minnesota, and D.C.) state sales taxes. (Click on the map for a larger image; also at this link.)
According to this chart, Maryland assesses 44 cents a serving, the ninth-highest in the nation. D.C. charges 56 cents; though the chart says "not ranked," it would be #5 nationally.
Delaware? 16 cents, #35. Most surprising" Pennsylvania, 8 cents and #46 (but you gotta buy by the case).
So why do Delawareans and Pennsylvanians routinely cross into Maryland to buy their hooch? Because taxes are only a small portion of what enters into retail choice, that's why.