Maryland Natural Resources Section 8-709.1

      (a)      This section applies to any public or private marina that is located on the navigable waters of the State.

      (b)      Except as provided under § 9-333 of the Environment Article, on or after July 1, 1989 a person may not construct:

            (1)      Any additional slips at an existing marina that would result in a total slip capacity of more than 10 slips; or

            (2)      A new marina with more than 10 slips on the navigable waters of the State.