Maryland Code, Natural Resources § 8-740

(a) If a person is convicted of 2 boating violations concerning the operation of, or safety equipment on, a vessel within a 2-year period of time, the person is required, as a condition of probation or sentencing, to complete successfully a boating safety education course that is offered or approved by the Department.

(b) Notwithstanding the provisions of subsection (a) of this section, if a person is convicted of any of the following boating safety violations in the operation of a vessel, the person is required, as a condition of probation or sentencing, to successfully complete a boating safety education course that is offered or approved by the Department:

(c) The requirement to take and successfully complete the boating safety education course under subsections (a) and (b) of this section is in addition to any other punishment that a judge imposes for violation of the boating laws or regulations of the State.