For the purpose of maintaining proper policing, to provide proper sanitation and to abate nuisances, the police jurisdiction and authority of any county bordering on the high tide line of the Atlantic Ocean is extended to include all that area lying between the high tide line and the low tide line not within the corporate limits of any municipality. Such area shall be subject to all the ordinances and regulations that may be applicable to the area lying within the boundary limits of the county, and the magistrates’ courts shall have jurisdiction to punish individuals violating the provisions of the county ordinances where such misdemeanor occurred in the area defined in this section.