Md. Code, Tax - Property § 8–214

(a) If a country club or golf course that meets the qualifications of § 8–212 of this subtitle allows or practices discrimination based on race, color, creed, sex, sexual orientation, gender identity, disability, or national origin in granting membership or guest privileges, the country club or golf course may not make or continue an agreement under this subtitle.

(b) A country club or golf course may not discriminate or retaliate against any person who has opposed any discrimination practice prohibited by subsection (a) of this section or who has filed a complaint, testified, or assisted a party in any manner in an investigation, proceeding, or hearing conducted under § 8-215 of this subtitle.