Answer
Maryland Chesapeake Bay & Coastal Bays sport fishing license covers most recreational cobia anglers 16 and older unless exempt—nearshore boat contexts dominate. Charter passengers should confirm coverage at booking. Some federal HMS awareness applies when regulations overlap.
Sources: Maryland DNR · NOAA Fisheries
Editorial visitor guidance for Ocean City, Maryland. Confirm current Town of Ocean City, Maryland DNR, NPS Assateague, and NWS rules when regulations or safety apply.
