Answer
Both units host managed wild herds under coordinated NPS policy—border crossings require paying attention to OSV permits and beach driving rules that differ by state. Ocean City visitors usually enter Maryland Assateague first via Route 611.
Sources: National Park Service — Assateague · Visit Ocean City
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.
