Md. Code, Alcoholic Beverages and Cannabis § 33–2503

(a) Except as otherwise provided in subsection (b) of this section and elsewhere in this article, a person may not consume alcoholic beverages at any time on any day of the week in a restaurant, tavern, hotel, club, dance studio, disco, and any other place of public entertainment.

(b) Exempt from subsection (a) of this section are:

(1) the room of a registered guest in a hotel, motel, or hospice;

(2) the property of a volunteer fire company;

(3) a fishing club established before January 1, 1970; and

(4) if it has been in existence for at least 3 years:

(i) a catering establishment;

(ii) a community or civic association;

(iii) a swim club;

(iv) a social, civic, nonprofit, charitable, fraternal, patriotic, educational, or public service organization; and

(v) a religious institution.

(c) The Board shall adopt regulations to carry out this section.

(d) An owner, a manager, or an employee of an establishment or a place subject to the prohibitions of this section who knowingly allows consumption in violation of this section is guilty of a misdemeanor and, on conviction, is subject to a fine not exceeding $10,000.